What changed with sleep between 10.8 and 10.9?

Prior to Mavericks, sleep mode made sense to me. Hit the button and my iMac went to sleep almost right away. Hit the button again or hit a key on my keyboard and it would wake up almost right away, too. In between those two events, the machine would stay asleep.
WIth Mavericks, sleep seems to me to be baffling, random, and inscrutable. I cannot make any sense of how it works. The button puts the machine to sleep only if you're logged in. At the login screen you can only click on "Sleep" with the mouse. When you put the machine to sleep it can take several seconds, sometimes almost a minute, before it actually goes to sleep. (It also takes mystifyingly long for logout to complete.) Once the machine is asleep, it can wake up again without me doing anything, sometimes after after only a couple of seconds, other times sometime overnight.
I have searched around for what is going on, and most of the information I find talks about the reasons why OS X might wake up. That is not my question. My question is: What changed between 10.8 and 10.9 with regard to sleep? I didn't change any settings at all when I upgraded from 10.8 to 10.9, so why did the behavior change (and for the worse, I might add)? Why do I need to go review the half dozen or so settings that are possible causes for spontaneous wake? I had them set the way I like in 10.8. Is there official Apple documentation about how sleep is supposed to behave in Mavericks?
Thank you for any help you can give me.

This is always due to a process keeping the system awake, but determining which is the challenge.
A first simple step is to create a new, temporary user account. Log out of yours and log into the temporary one. Determine if it sleeps then. If it does then you have a login item that is preventing sleep. System Preferences > Users & Groups > Login Items.
Whenever you suspect a problem related to power, including sleep, an SMC reset is also recommended.
Active Spotlight indexing will prevent sleep. Wait for it to complete.
Check your Sharing preferences for anything that could permit an active network connection.
Energy Saver "Wake for network access" can prevent sleep, but unchecking it will prevent the ability to remotely access a sleeping Mac over a network.
A normally functioning Mac will sleep according to Energy Saver, but will wake periodically for network access, after which it will return to sleep according to the settings in Energy Saver.
Check Energy Saver > Power Nap. Whatever its setting happens to be, change it. Power Nap itself does not prevent sleep, but a corrupted Power Nap setting might. Changing its setting might correct it.
Unfinished print jobs will prevent sleep. If a print job is queued, but if the printer is off or the connection to it is lost, the Mac will stay awake forever waiting for the printer to return.
Safari pages that periodically refresh themselves are very common. This will prevent sleep.
Frequently checking for new mail may prevent sleep. Change Mail's preferences to check for new mail less frequently.
iTunes and iPhoto sharing will prevent sleep.
Active Bluetooth devices will prevent sleep.
Active USB or Thunderbolt devices will prevent sleep. Disconnect them to help isolate the cause.
Using Time Machine over a network may prevent sleep. Time Machine using a Time Capsule will not.
There are plenty of third party utilities designed to prevent sleep. One may not have been completely uninstalled.
Quit the process with the name powerd in Activity Monitor. It will re-launch on its own.
Any number of "anti-virus" utilities can prevent sleep, along with other miseries. Get rid of them.
... Is there official Apple documentation about how sleep is supposed to behave in Mavericks?
Read Mac OS X: Why your Mac might not sleep or stay in sleep mode

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What is the diffreence between call transaction and session method

hi gurus
can any one suggest me
what is the difference between call transaction and session methods
in which cases we have to use teh call transaction and
in which cases we have to use session method.
thank you
regards
kals.

CLASSICAL BATCH INPUT (Session Method)
CALL TRANSACTION
BATCH INPUT METHOD:
This method is also called as ‘CLASSICAL METHOD’.
Features:
Asynchronous processing.
Synchronous Processing in database update.
Transfer data for more than one transaction.
Batch input processing log will be generated.
During processing, no transaction is started until the previous transaction has been written to the database.
CALL TRANSACTION METHOD :
This is another method to transfer data from the legacy system.
Features:
Synchronous processing. The system performs a database commit immediately before and after the CALL TRANSACTION USING statement.
Updating the database can be either synchronous or asynchronous. The program specifies the update type.
Transfer data for a single transaction.
Transfers data for a sequence of dialog screens.
No batch input processing log is generated.
http://www.sap-img.com/abap/difference-between-batch-input-and-call-transaction-in-bdc.htm
Among the two methods call transaction is better compared to session bcoz data transfer is faster in it.
Differences between call transaction and session.
Session Method:
1) Data is not updated in the database table until the session is processed.
2) No sy-subrc is returned.
3) Error log is created for error records.
4) Updation is always synchronous.
Call Transaction Method:
1) Immediate updation in the database table.
2) sy-subrc is returned.
3)Error need to be handled explicitly.
4) updation can be synchronous as well as asynchronous.
2) ya u can use using the N mode no screen.
3)u can't handle multiple transaction in call transaction.
4) u can handle multiple transaction in session using the BDC_INSERT fm.
5)When u go to SM35 u can able to see the error records.
Which is best?
That depends on your requirement. Both of them have there advantages.
According to the situation u can choose any one of these.
difference between batch input and call transaction in BDC Session method.
1) synchronous processing.
2) can tranfer large amount of data.
3) processing is slower.
4) error log is created
5) data is not updated until session is processed.
Call transaction.
1) asynchronous processing
2) can transfer small amount of data
3) processing is faster.
4) errors need to be handled explicitly
5) data is updated automatically
For session method,these are the function modules to b used.
BDC_OPEN_GROUP
BDC_INSERT
BDC_CLOSE_GROUP
For call transaction,this is the syntax.
CALL TRANSACTION TCODE USING BDCDATA
MODE A or E or N
UPDATE A or S
MESSAGES INTO MESSTAB.
Take a scenario where we need to post documents in FB01 and the input file has say 2000 records (2000 documents, not line items in FB01 but 2000 records)
In the BDC call transaction method
We call the transaction FB01 2000 times (once for each record posting) and if the processing fails in record no 3 it can be captured and start with reocord 4.
Eg: Loop at itab.
call transaction FB01
capture errors
endloop.
In the session method.
We do not explicity call the transaction 2000 times, but all the records are appeneded into a session and this session is stored. The processinf of the session is done wwhenever the user wants it to be done. Hence the errors cannot be captured in the program itself
Check these link:
http://www.sap-img.com/abap/difference-between-batch-input-and-call-transaction-in-bdc.htm
http://www.sap-img.com/abap/question-about-bdc-program.htm
http://www.itcserver.com/blog/2006/06/30/batch-input-vs-call-transaction/
http://www.planetsap.com/bdc_main_page.htm
Batch Input Session method is asynchronous as told by others here. But the advantage of this is that you have all the error messages and the data for each transaction held persistantly. You don't have to code anything for processing them or writing the logs.
But at the same time, the same feature can be disadvantageous if you need to react to an error or if there are too many errors to manually correct in a session. Since the session are created in the program and its execution is done seperately, you loose the trackability of such transactions.
With a call transaction, what was a disadvantage above will become an advantage. Call transaction immediately gives you messages back and you can react to it in your program. But the disadvantage is that, if you have several hundreds of transactions to run, running them from within the program can be resource crunching affair. It will hamper the system performance and you cannot really distribute the load. Of course, you have some mechanisms with which you can overcome this, but you will have to code for it. Also, storing the messages and storing the errored transaction data etc will have to be handled by you in the program. Whereas, in batch input session, your program's job is to just create the session, after that everything is standard SAP system's responsibility.
Ideally, you should do a call transaction if the resources are not a problem and if it fails, put the errored transaction into a session.
You can decide based on the data volume that your BDC is processing. If data volume is high go for session else call transaction will do.The call transaction updates will be instantaneous where as session needs to be processed explictly after creation.
Session Method
1) Session method supports both small amount of data aswell as large amount of data
2) data processing is asynchronus and data updation is synchronus.
3) it process multiple apllication while perfomaning validations.
4) in session method data will be updated in data base only after processing session only.
5) system provide by default logfile for handling error records.
6) it supports both foreground aswell as background process
in bdc we use FM ...
bdc_open_group " for creating Session
bdc_insert " adding transaction and bdcdata table for updating database
bdc_close_group " for closing Session
Call Transaction
1) Call transaction exclusively for small amout of data
2) it supports only one apllication while perfoming validations
3) there is no default logfile, We can explicitly provide logic for creating logfile for handling error records.
we can create logfile by using structure....BDCMSGCOLL
4) it doesn't support background processing.
5) data processing is synchronous and Data updation is Synchronous( default), in
this method also supports daya updation in asynchronus process also.
syntax:
Call transaction <transaction-name> using BDCDATA
mode <A/N/E>
update <L/A/S>
messages into BDCMSGCOLL.
BDC:
Batch Data Communication (BDC) is the process of transferring data from one SAP System to another SAP system or from a non-SAP system to SAP System.
Features :
BDC is an automatic procedure.
This method is used to transfer large amount of data that is available in electronic medium.
BDC can be used primarily when installing the SAP system and when transferring data from a legacy system (external system).
BDC uses normal transaction codes to transfer data.
Types of BDC :
CLASSICAL BATCH INPUT (Session Method)
CALL TRANSACTION
BATCH INPUT METHOD:
This method is also called as ‘CLASSICAL METHOD’.
Features:
Asynchronous processing.
Synchronous Processing in database update.
Transfer data for more than one transaction.
Batch input processing log will be generated.
During processing, no transaction is started until the previous transaction has been written to the database.
CALL TRANSACTION METHOD :
This is another method to transfer data from the legacy system.
Features:
Synchronous processing. The system performs a database commit immediately before and after the CALL TRANSACTION USING statement.
Updating the database can be either synchronous or asynchronous. The program specifies the update type.
Transfer data for a single transaction.
Transfers data for a sequence of dialog screens.
No batch input processing log is generated.
For BDC:
http://myweb.dal.ca/hchinni/sap/bdc_home.htm
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/home/bdc&
http://www.sap-img.com/abap/learning-bdc-programming.htm
http://www.sapdevelopment.co.uk/bdc/bdchome.htm
http://www.sap-img.com/abap/difference-between-batch-input-and-call-transaction-in-bdc.htm
http://help.sap.com/saphelp_47x200/helpdata/en/69/c250684ba111d189750000e8322d00/frameset.htm
http://www.sapbrain.com/TUTORIALS/TECHNICAL/BDC_tutorial.html
Check these link:
http://www.sap-img.com/abap/difference-between-batch-input-and-call-transaction-in-bdc.htm
http://www.sap-img.com/abap/question-about-bdc-program.htm
http://www.itcserver.com/blog/2006/06/30/batch-input-vs-call-transaction/
http://www.planetsap.com/bdc_main_page.htm
call Transaction or session method ?
Check the following links:
http://www.sap-img.com/bdc.htm
See below example code :
Call three FM : BDC_OPEN_GROUP,BDC_INSERT and BDC_CLOSE_GROUP.
Once you execute the program and it creates the session at SM35 Transaction.
Report : ZMPPC011
Type : Data upload
Author : Chetan Shah
Date : 05/05/2005
Transport : DV3K919557
Transaction: ??
Description: This ABAP/4 Program creates new Production Versions
(C223). It accepts tab-delimited spreadsheet input and
creates BDC sessions.
Modification Log
Date Programmer Request # Description
06/10/2005 Chetan Shah DV3K919557 Initial coding
report zmppc011 no standard page heading line-size 120 line-count 55
message-id zz.
pool of form routines
include zmppn001.
Define BDC Table Structure
data: begin of itab_bdc_tab occurs 0.
include structure bdcdata.
data: end of itab_bdc_tab.
Input record layout of Leagcy File
data: begin of itab_xcel occurs 0,
matnr(18) type c,
werks(4) type c,
alnag(2) type c,
verid(4) type c,
text1(40) type c,
bstmi like mkal-bstmi,
bstma like mkal-bstma,
adatu(10) type c,
bdatu(10) type c,
stlal(2) type c,
stlan(1) type c,
serkz(1) type c,
mdv01(8) type c,
elpro(4) type c,
alort(4) type c,
end of itab_xcel.
data: begin of lt_pp04_cache occurs 0,
matnr like itab_xcel-matnr,
werks like itab_xcel-werks,
alnag like itab_xcel-alnag,
plnnr like mapl-plnnr,
arbpl like crhd-arbpl,
ktext like crtx-ktext,
end of lt_pp04_cache.
data: v_ssnnr(4) type n,
v_lines_in_xcel like sy-tabix,
v_ssnname like apqi-groupid,
v_trans_in_ssn type i,
wa_xcel LIKE itab_xcel,
l_tabix like sy-tabix,
v_matnr like rc27m-matnr,
v_plnnr like mapl-plnnr,
v_plnal like mapl-plnal,
v_tcode like sy-tcode value 'C223',
v_plnty like plas-plnty value 'R',
v_objty like crhd-objty value 'A',
v_plpo_steus like plpo-steus value 'PP04',
v_verwe like crhd-verwe value '0007'.
Parameters
selection-screen: skip 3.
selection-screen: begin of block 1 with frame.
parameters: p_name like rlgrap-filename
default 'C:\My Documents\InputFile.txt'
obligatory,
bdc session name prefix
p_bdcpfx(6) default 'ZPVCRT'
obligatory,
number for transction per BDC session
p_trnssn type i
default 2000 obligatory,
retain the BDC session after successfull execution
p_keep like apqi-qerase
default 'X',
user who will be executing BDC session
p_uname like apqi-userid
default sy-uname
obligatory.
selection-screen: end of block 1.
possible entry list (F4 dropdown) for input file name
at selection-screen on value-request for p_name.
*-SELECT FILE FROM USERS LOCAL PC
call function 'WS_FILENAME_GET'
exporting
DEF_FILENAME = ' '
def_path = 'C:\Temp\'
mask = ',.,..'
mode = 'O'
title = 'Select File '(007)
importing
filename = p_name
RC =
exceptions
inv_winsys = 1
no_batch = 2
selection_cancel = 3
selection_error = 4
others = 5.
if sy-subrc 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
endif.
begin the show
start-of-selection.
read data from input file
perform transfer_xcel_to_itab.
loop at itab_xcel.
hang on to xcel line num
l_tabix = sy-tabix.
each line in the xcel file marks begining of new prod.version defn
if num-of-trnas-in-session = 0, create new BDC session
if v_trans_in_ssn is initial.
perform bdc_session_open.
endif.
begin new bdc script for rtg create trans
fill in bdc-data for prod.version maintenance screens
perform bdc_build_script.
insert the bdc script as a BDC transaction
perform bdc_submit_transaction.
keep track of how many BDC transactions were inserted in the BDC
session
add 1 to v_trans_in_ssn.
if the user-specified num of trans in BDC session is reached OR
if end of input file is reached, close the BDC session
if v_trans_in_ssn = p_trnssn or
l_tabix = v_lines_in_xcel.
perform bdc_session_close.
clear v_trans_in_ssn.
endif.
endloop.
top-of-page.
call function 'Z_HEADER'
EXPORTING
FLEX_TEXT1 =
FLEX_TEXT2 =
FLEX_TEXT3 =
FORM TRANSFER_XCEL_TO_ITAB *
Transfer Xcel Spreadsheet to SAP Internal Table *
form transfer_xcel_to_itab.
Read the tab-delimited file into itab
call function 'WS_UPLOAD'
exporting
filename = p_name
filetype = 'DAT'
IMPORTING
filelength = flength
tables
data_tab = itab_xcel
exceptions
conversion_error = 1
file_open_error = 2
file_read_error = 3
invalid_table_width = 4
invalid_type = 5
no_batch = 6
unknown_error = 7
others = 8.
if sy-subrc = 0.
sort the data
sort itab_xcel by matnr werks.
clear v_lines_in_xcel.
if no data in the file - error out
describe table itab_xcel lines v_lines_in_xcel.
if v_lines_in_xcel is initial.
write: / 'No data in input file'.
stop.
endif.
else.
if file upload failed - error out
write: / 'Error reading input file'.
stop.
endif.
endform.
FORM BDC_SESSION_OPEN *
Open BDC Session *
form bdc_session_open.
create bdc session name = prefix-from-selectn-screen + nnnn
add 1 to v_ssnnr.
concatenate p_bdcpfx v_ssnnr into v_ssnname.
open new bdc session
call function 'BDC_OPEN_GROUP'
exporting
client = sy-mandt
group = v_ssnname
keep = p_keep
user = p_uname
exceptions
client_invalid = 1
destination_invalid = 2
group_invalid = 3
group_is_locked = 4
holddate_invalid = 5
internal_error = 6
queue_error = 7
running = 8
system_lock_error = 9
user_invalid = 10
others = 11.
endform.
FORM BDC_BUILD_SCRIPT *
Build BDC *
form bdc_build_script.
data: l_arbpl like crhd-arbpl,
l_text1 like mkal-text1,
l_mdv01 like mkal-mdv01,
l_mapl like mapl.
clear bdc-data itab - begin of new bdc transaction
clear itab_bdc_tab.
refresh itab_bdc_tab.
read material cross reference tables to determine sap part#
clear : v_matnr, v_plnnr, v_plnal.
perform read_matnr_cross_ref using itab_xcel-matnr
itab_xcel-werks
changing v_matnr.
determine the version description to use
if itab_xcel-text1 is initial.
l_text1 = itab_xcel-verid.
else.
l_text1 = itab_xcel-text1.
endif.
determine the routing group# and group ctr# to use
perform read_routing .
determine the production line to use
if itab_xcel-mdv01 is initial.
if not provided in the file then:
prod line = work ctr on the last PP04 op of the rtg determined above
perform read_wc_on_last_pp04 using v_plnnr v_plnal
changing l_mdv01.
NOTE: when executing the above form\routine, if v_plnnr is initial
or v_plnal is initial, THEN l_mdv01 will automatically be
returned blank (ie initial)
else.
l_mdv01 = itab_xcel-mdv01.
endif.
build bdc script
perform bdc_build_script_record
fill in initial screen
using: 'X' 'SAPLCMFV' '1000',
' ' 'BDC_OKCODE' '=ENTE',
' ' 'MKAL-WERKS' itab_xcel-werks,
' ' 'MKAL-MATNR' v_matnr,
' ' 'MKAL_ADMIN-DISPO' space,
' ' 'MKAL-PLNNR' space,
' ' 'MKAL_ADMIN-STTAG' space,
' ' 'MKAL-PLNNG' space,
' ' 'MKAL-MDV01' space,
' ' 'MKAL-PLNNM' space,
click create button on initial screen and go to detail screen
'X' 'SAPLCMFV' '1000',
' ' 'BDC_OKCODE' '=CREA',
fill in the detail screen and go back to initial screen
'X' 'SAPLCMFV' '2000',
' ' 'BDC_OKCODE' '=CLOS',
' ' 'MKAL_EXPAND-MATNR' v_matnr,
' ' 'MKAL_EXPAND-VERID' itab_xcel-verid,
' ' 'MKAL_EXPAND-TEXT1' l_text1,
' ' 'MKAL_EXPAND-BSTMI' itab_xcel-bstmi,
' ' 'MKAL_EXPAND-BSTMA' itab_xcel-bstma,
' ' 'MKAL_EXPAND-ADATU' itab_xcel-adatu,
' ' 'MKAL_EXPAND-BDATU' itab_xcel-bdatu,
' ' 'MKAL_EXPAND-PLTYG' v_plnty,
' ' 'MKAL_EXPAND-PLNNG' v_plnnr,
' ' 'MKAL_EXPAND-ALNAG' v_plnal,
' ' 'MKAL_EXPAND-STLAL' itab_xcel-stlal,
' ' 'MKAL_EXPAND-STLAN' itab_xcel-stlan,
' ' 'MKAL_EXPAND-SERKZ' itab_xcel-serkz,
' ' 'MKAL_EXPAND-MDV01' l_mdv01,
' ' 'MKAL_EXPAND-ELPRO' itab_xcel-elpro,
' ' 'MKAL_EXPAND-ALORT' itab_xcel-alort,
save the production version from initial screen
'X' 'SAPLCMFV' '1000',
' ' 'BDC_OKCODE' '=SAVE'.
endform.
FORM BDC_SUBMIT_TRANSACTION *
Submit BDC Session *
form bdc_submit_transaction.
Load BDC script as a trqansction in BDC session
call function 'BDC_INSERT'
exporting
tcode = v_tcode
tables
dynprotab = itab_bdc_tab
exceptions
internal_error = 01
not_open = 02
queue_error = 03
tcode_invalid = 04.
endform.
FORM BDC_BUILD_SCRIPT_RECORD *
form bdc_build_script_record using dynbegin name value.
clear itab_bdc_tab.
if dynbegin = 'X'.
move: name to itab_bdc_tab-program,
value to itab_bdc_tab-dynpro,
'X' to itab_bdc_tab-dynbegin.
else.
move: name to itab_bdc_tab-fnam,
value to itab_bdc_tab-fval.
shift itab_bdc_tab-fval left deleting leading space.
endif.
append itab_bdc_tab.
endform.
FORM BDC_SESSION_CLOSE *
Close BDC Session *
form bdc_session_close.
close the session
call function 'BDC_CLOSE_GROUP'
exceptions
not_open = 1
queue_error = 2
others = 3.
skip 2.
if sy-subrc ne 0.
write: / 'Error Closing BDC Session ' , 'RETURN CODE: ', sy-subrc.
else.
write : / 'Session created:', v_ssnname,
50 '# of transactions:', v_trans_in_ssn.
endif.
endform.
*& Form read_routing_cache
*FORM read_routing_cache USING pi_matnr
pi_werks
pi_alnag
pi_verid
pi_mdv01.
DATA: BEGIN OF lt_plpo OCCURS 0,
vornr LIKE plpo-vornr,
objty LIKE crhd-objty,
objid LIKE crhd-objid,
arbpl LIKE crhd-arbpl,
END OF lt_plpo,
l_mapl_plnnr LIKE mapl-plnnr.
determine the routing group#
CLEAR lt_pp04_cache.
chk if its in the cache first, if not then get it from MAPL table
and put it in the cache
READ TABLE lt_pp04_cache WITH KEY matnr = pi_matnr
werks = pi_werks
alnag = pi_alnag.
IF sy-subrc = 0.
do nothing - lt_pp04_cache header line has rtg#
ELSE.
get the routing group # from MAPL
SELECT plnnr INTO l_mapl_plnnr
FROM mapl UP TO 1 ROWS
WHERE matnr = pi_matnr AND
werks = pi_werks AND
plnty = 'R' AND
plnal = pi_alnag AND
loekz = space.
ENDSELECT.
put it in the cache internal table
IF NOT l_mapl_plnnr IS INITIAL.
lt_pp04_cache-matnr = pi_matnr.
lt_pp04_cache-werks = pi_werks.
lt_pp04_cache-alnag = pi_alnag.
lt_pp04_cache-plnnr = l_mapl_plnnr.
APPEND lt_pp04_cache.
ENDIF.
ENDIF.
if the rtg# was determined AND
the work center was not determined yet AND
work center was really needed for this line in the input file
then
read the work center from last PP04 operation on the routing
update the cache accordingly
IF NOT lt_pp04_cache-plnnr IS INITIAL AND
lt_pp04_cache-arbpl IS INITIAL AND
( pi_verid IS INITIAL OR
pi_mdv01 IS INITIAL ).
read the last PP04 operation
CLEAR lt_plpo.
REFRESH lt_plpo.
SELECT vornr eobjty eobjid e~arbpl
INTO CORRESPONDING FIELDS OF TABLE lt_plpo
FROM plas AS b
INNER JOIN plpo AS c
ON bplnty = cplnty AND
bplnnr = cplnnr AND
bzaehl = czaehl
INNER JOIN crhd AS e
ON carbid = eobjid
WHERE b~plnty = v_plnty AND
b~plnnr = lt_pp04_cache-plnnr AND
b~plnal = lt_pp04_cache-alnag AND
c~loekz = space AND
c~steus = v_plpo_steus AND
e~objty = v_objty AND
e~werks = lt_pp04_cache-werks AND
e~verwe = v_verwe.
SORT lt_plpo BY vornr DESCENDING.
READ TABLE lt_plpo INDEX 1.
IF NOT lt_plpo-arbpl IS INITIAL.
lt_pp04_cache-arbpl = lt_plpo-arbpl.
read work center description
SELECT SINGLE ktext INTO lt_pp04_cache-ktext
FROM crtx WHERE objty = lt_plpo-objty AND
objid = lt_plpo-objid AND
spras = sy-langu.
the following read will get the index of the correct record to be
updated in the cache
READ TABLE lt_pp04_cache
WITH KEY matnr = pi_matnr
werks = pi_werks
alnag = pi_alnag.
MODIFY lt_pp04_cache
INDEX sy-tabix
TRANSPORTING arbpl ktext.
ENDIF.
ENDIF.
*ENDFORM. " read_last_pp04_operation_cache
*& Form read_routing
form read_routing.
data: begin of lt_mapl occurs 0,
plnnr like mapl-plnnr,
plnal like mapl-plnal,
end of lt_mapl,
l_arbpl like crhd-arbpl.
get all the rtg# and grp ctr# from MAPL
select plnnr plnal
into corresponding fields of table lt_mapl
from mapl
where matnr = v_matnr and
werks = itab_xcel-werks and
plnty = v_plnty and "Rate Routing
loekz = space. "with del flag = OFF
sort lt_mapl by plnal.
if not itab_xcel-verid is initial.
if the verid=0001 then use the 1st good rtg-grp# and grp-ctr#
if itab_xcel-verid = '0001'.
read table lt_mapl index 1.
v_plnnr = lt_mapl-plnnr.
v_plnal = lt_mapl-plnal.
else.
if the verid0001 then use the rtg-grp# and grp-ctr# of the routing
whose work center on the last PP04 operation matches the given verid
loop at lt_mapl.
clear l_arbpl.
get the work center from the last PP04 operation
perform read_wc_on_last_pp04 using lt_mapl-plnnr
lt_mapl-plnal
changing l_arbpl.
if itab_xcel-verid = l_arbpl.
v_plnnr = lt_mapl-plnnr.
v_plnal = lt_mapl-plnal.
exit.
endif.
endloop.
endif.
else.
do nothing
endif.
For version IDs that are other then '0000' or 'ZWIP' :--
if itab_xcel-verid NE '0000' and
itab_xcel-verid NE 'ZWIP'.
if routing group# or group counter was not determined, make the
valid-to date 99/99/9999 so that the BDC, on execution, errors out.
if v_plnnr is initial or
v_plnal is initial.
itab_xcel-bdatu = '99/99/9999'.
endif.
endif.
determine the routing group#
CLEAR lt_pp04_cache.
chk if its in the cache first, if not then get it from MAPL table
and put it in the cache
READ TABLE lt_pp04_cache WITH KEY matnr = pi_matnr
werks = pi_werks
alnag = pi_alnag.
IF sy-subrc = 0.
do nothing - lt_pp04_cache header line has rtg#
ELSE.
get the routing group # from MAPL
put it in the cache internal table
IF NOT l_mapl_plnnr IS INITIAL.
lt_pp04_cache-matnr = pi_matnr.
lt_pp04_cache-werks = pi_werks.
lt_pp04_cache-alnag = pi_alnag.
lt_pp04_cache-plnnr = l_mapl_plnnr.
APPEND lt_pp04_cache.
ENDIF.
ENDIF.
if the rtg# was determined AND
the work center was not determined yet AND
work center was really needed for this line in the input file
then
read the work center from last PP04 operation on the routing
update the cache accordingly
IF NOT lt_pp04_cache-plnnr IS INITIAL AND
lt_pp04_cache-arbpl IS INITIAL AND
( pi_verid IS INITIAL OR
pi_mdv01 IS INITIAL ).
read the last PP04 operation
CLEAR lt_plpo.
REFRESH lt_plpo.
SELECT vornr eobjty eobjid e~arbpl
INTO CORRESPONDING FIELDS OF TABLE lt_plpo
FROM plas AS b
INNER JOIN plpo AS c
ON bplnty = cplnty AND
bplnnr = cplnnr AND
bzaehl = czaehl
INNER JOIN crhd AS e
ON carbid = eobjid
WHERE b~plnty = v_plnty AND
b~plnnr = lt_pp04_cache-plnnr AND
b~plnal = lt_pp04_cache-alnag AND
c~loekz = space AND
c~steus = v_plpo_steus AND
e~objty = v_objty AND
e~werks = lt_pp04_cache-werks AND
e~verwe = v_verwe.
SORT lt_plpo BY vornr DESCENDING.
READ TABLE lt_plpo INDEX 1.
IF NOT lt_plpo-arbpl IS INITIAL.
lt_pp04_cache-arbpl = lt_plpo-arbpl.
read work center description
SELECT SINGLE ktext INTO lt_pp04_cache-ktext
FROM crtx WHERE objty = lt_plpo-objty AND
objid = lt_plpo-objid AND
spras = sy-langu.
the following read will get the index of the correct record to be
updated in the cache
READ TABLE lt_pp04_cache
WITH KEY matnr = pi_matnr
werks = pi_werks
alnag = pi_alnag.
MODIFY lt_pp04_cache
INDEX sy-tabix
TRANSPORTING arbpl ktext.
ENDIF.
ENDIF.
endform. " read_last_pp04_operation_cache
*& Form read_wc_on_last_pp04
form read_wc_on_last_pp04 using pi_plnnr
pi_plnal
changing pe_arbpl.
data: begin of lt_plpo occurs 0,
vornr like plpo-vornr,
objty like crhd-objty,
objid like crhd-objid,
arbpl like crhd-arbpl,
end of lt_plpo.
get all the PP04 operations for the given rtg# & grp-ctr#
select vornr eobjty eobjid e~arbpl
into corresponding fields of table lt_plpo
from plas as b
inner join plpo as c
on bplnty = cplnty and
bplnnr = cplnnr and
bzaehl = czaehl
inner join crhd as e
on carbid = eobjid
where b~plnty = v_plnty and "Rate Routing
b~plnnr = pi_plnnr and
b~plnal = pi_plnal and
c~loekz = space and "Oper Del Flag = OFF
c~steus = v_plpo_steus and "PP04
e~objty = v_objty. "WC Obj Type = 'A'
read the last operation
sort lt_plpo by vornr descending.
read table lt_plpo index 1.
pe_arbpl = lt_plpo-arbpl.
endform. " read_wc_on_last_pp04
Goto LSMW-> Select Direct Input method in 1st step. These are the standard programs for data transfer.
Otherwise goto SPRO->SAP Reference IMG-> Under this you'll find standard data transfer programs module wise.
Regards,
Sunil Kumar Mutyala

What's the difference between reguler KDE and KDEmod?

Hello all,
In two weeks I get my new laptop, which will be capable of running Arch and KDE ( as my current computer isn't, somehow it only runs Fedora w/ Gnome)
Since I really like Arch and already got it working on Virtualbox, I want to install it on my new laptop. I'd like to get it working with KDE, but I noticed Arch also has KDEmod. I already searched the forums but couldn't really find an answer to my question: What is the difference between regular KDE and KDEmod and which one is better for me to use?
Thanks in advance!

Allan, i forgive you for your poor paragraph construction and sorry for me being a bit peeved
However, i know you have read more from the IRC log than just that one sentence by me...
Allan wrote:
From the IRC log, I do not think that conclusion is too far off, especially if you are considering Arch-Stable as your base... So saying "plain wrong" seems... well... plain wrong. Especially given the irc log:
<funkyou> in one sentence: to do what we really want to do, we need a stable platform.
So why not showing the whole picture and clear this up:
<funkyou> ok, to start: i think at least some of you have noticed that arch linux is a fine platform for what we want to deliver, but there are some little "annoyances"
<funkyou> mainly:
<funkyou> -.so bumps every few weeks
<funkyou> -the general "freshness"
<funkyou> -a lot of manual interaction needed (sometimes)
<funkyou> everyone can see these problems when looking at the forums, _most_ of them are related to updates
<funkyou> in one sentence: to do what we really want to do, we need a stable platform.
Makes more sense now? Its not that Arch is too unstable, its just that we cant keep up will all the changes... And this is not Archs "fault" nor anyone elses fault, its just going too fast for us. Most annoying or severe bugs in our tools are there due to upstream updates. And the reasons are not really the .so bumps (which are mostly solved by a simple rebuild) but also constantly changing apis and stuff. This is not a big problem in KDE (they keep their apis clean), but a big one when it comes to other stuff like parted, to give an example. And this is our main problem, we need to constantly adapt our code to upstream changes.
This even resulted in a repo with modified or "frozen" Arch packages just to keep our liveCD going, and now we are looking for solutions for this problem, and "stable" snapshots seem to be one way... Oh, and if we would do this (there is nothing announced yet), we would do our own snapshot every X months because ArchStable seems to be a dead project. We also considered cooperating with the ArchServer guys, but their stuff is really made for servers, so even while their project is really nice its not really an option for us.
Well, we'll see what we will do during the next months, now we are still testing and evaluating some solutions... Oh, and people, please stop any "we dont need another ubuntu" complaints...

What's the difference between XI basis and regular basis?

I am an SAP basis admin for years.
Now my corp starts to use XI.
What is the difference between XI basis and regular basis if there is any?
Thanks!

Hi,
No difference... Basis is Basis (Technical consultant)... According to me its just terminology changed. i.e. SAP Administrator instead of SAP basis.
For XI you may need to additionally control the Java stack administartion along with ABAP stack.
Please go thourgh the below link to know about SAP NetWeaver Administrator, then you may compare with regular Basis activities
http://help.sap.com/saphelp_nw70/helpdata/en/7e/c82c42be6fde2ce10000000a1550b0/frameset.htm
Also
Refer - PI/XI administartion study material links
PI Administration, monitoring document
Thanks
Swarup

What is the difference between undo tablespace and online redo log files.

what is the difference between undo tablespace and online redo log files. I am confused
as per my knowledge undo tablespace is used to store the undo information when a table is being updated so that, just incase we need to rollback a transaction we know what was present in the table earlier.
when a transaction fails the SMON performs the rollback of the data.
This undo data is stored in the undo tablespace and read consistency if any is enforced.
is my understanding till here correct?
Now, can this undo data/before image not be stored in the redo log buffer and online redolog files?
can redo-log files not store this information?
in fact, is it that when undo tablespaces exist in a database, the undo data/before image is stored in both the undo tablespace and also the redo log files?
kindly clarify my doubt.
thank you.

This question has been asked many times before. The answer is always the same.
Yes, redo contains the before image of data (and the after-image). Therefore, it **COULD** be used to roll back a transaction.
BUT... Redo is written sequentially. Using it to rollback your transaction would involve reading through all the redo written by maybe thousands of other people. It would be painfully slow.
Your transaction is, however, directly linked to just the UNDO that it generates (which is JUST the before image of the data). So, your undo is your undo and doesn't share space with anyone else's undo. Therefore, using it to roll back YOUR transaction is fast.
The fact that undo is only the before image of the data also makes it faster than wading through a sea of before and AFTER images as you'd find in redo. About twice as fast, in fact, since there's half the data. Roughly.
Redo also gets written and flushed to disk whenever there's a commit, 3 seconds are up or too much (1MB, actually) redo gets generated between flushes caused by other factors. Your redo gets flushed when those things happen, even if you haven't actually committed your transaction. And redo logs recycle themselves, meaning that your redo -even if your transaction hasn't been committed yet- can be over-written by later transactions. Try rolling back when that's happened, if redo was the source of your rollback data!
Undo, however, cannot be over-written if the transaction has not been committed. Ever. If you don't commit for three years, there will be three years' undo stored in your database (assuming you had the space, of course!).
I could go on, but that will do. Redo is there fore RECOVERY, after catastrophe. Undo is there for read-consistency (and the occasional change of mind). Two different functions. Two different mechanisms. Each one highly tuned to doing what it does, why it does it, most efficiently and effectively.

(261680070) Q WWO-13 What are the difference between WLS6.1 and WLS7.0 web services?

Q<WWO-13> What are the difference between WLS6.1 and WLS7.0 web services?
A<WWO-13> The differences are huge, so different in fact that 6.1 web services cannot
be deployed in 7.0. WLS7.0 and Workshop have much greater functionality than the
limited stateless session (RPC-style) and JMS destination (MSG-style) approach of
6.1. Workshop web services can interact with any type of EJB, any JMS destination
as well as other web services and directly accessing databases. The framework for
building the web service is better and more adaptable and Workshop provides a fully
integrated develop, deploy, test and debug environment. Additionally, WLS7.0 have
the capacity to be much better at performance since due to XML parser enhancements
and the addition of XML maps.

If you want to take existing WLS6.1 web services and convert them to WLS7.0 you can
do so quite easily. The WLS7.0 Ant still supports wsgen so you do not need to even
change your build.xml file. The generated web service however will be implemented
is a manner compliant with the WLS7.0 environment. More details are at:
http://e-docs.bea.com/wls/docs70/webServices/anttasks.html#1070576
"Adam FitzGerald" <[email protected]> wrote:
>
Q<WWO-13> What are the difference between WLS6.1 and WLS7.0 web services?
A<WWO-13> The differences are huge, so different in fact that 6.1 web services
cannot
be deployed in 7.0. WLS7.0 and Workshop have much greater functionality
than the
limited stateless session (RPC-style) and JMS destination (MSG-style) approach
of
6.1. Workshop web services can interact with any type of EJB, any JMS destination
as well as other web services and directly accessing databases. The framework
for
building the web service is better and more adaptable and Workshop provides
a fully
integrated develop, deploy, test and debug environment. Additionally, WLS7.0
have
the capacity to be much better at performance since due to XML parser enhancements
and the addition of XML maps.

What is the difference between workbench request and customizing request

hi gurus
can anyone suggest me
what is the difference between
workbench request and
customizing request
abaper ll work on which request
thank you
regards
kals.

A quick search in the forum would have taken you to this answer
Workbench Requests
When you change a Repository object of the ABAP Workbench, a query window appears in which you need to specify a Workbench request. You can only save the changes if you have assigned the object to a change request.
Workbench requests and the tasks assigned to them are normally used to record changes to Repository objects and Customizing for all clients. However, you can also include client-specific Customizing.
Whether the changes to Repository objects are transported depends on whether a transport route is defined from the current SAP System for the package of these objects. From the system settings, the system automatically determines whether the change requests are transportable and to which target system they should be transported.
Customizing requests
Customizing requests record client-specific Customizing settings made in a single client (the source client of the request).
Automatic recording of configuration activities in the Customizing work for a client can be activated or deactivated for each client with Client Control. If automatic recording is active, a query window appears when you change Customizing settings, asking you to specify a Customizing request.
Whether Customizing requests are transported or not, does not depend on the objects entered, as is the case with Workbench change requests. The Customizing requests in an SAP System (or in a client if you use Extended Transport Control) are either all transportable or all local, depending on the system setting. The system uses the standard transport layer to determine automatically whether the change requests are transportable and to which target system they should be transported. However, you can change this manually.

What is the difference between httpd.pid and httpd.lock files?

What is the difference between httpd.pid and httpd.lock files?

Hi;
Apache httpd saves the process id of the parent httpd process to the file logs/httpd.pid .
LockFile
Sets the path to the lockfile used when Oracle HTTP Server is compiled with either USE_FCNTL_SERIALIZED_ACCEPT or USE_FLOCK_SERIALIZED_ACCEPT. It is recommended that default value be used. The main reason for changing it is if the logs directory is NFS mounted, since the lockfile must be stored on a local disk.
For example: LockFile /oracle/Apache/Apache/logs/httpd.lock"
Please see:
http://download.oracle.com/docs/cd/B14099_19/web.1012/b14007/fileloc.htm#sthref254
Regard
Helios

What is the Difference Between Sys Date and Effective Date ??

Hi Gurus,
Can any one pls let me know What is the Difference Between Sys Date and Effective Date ??
with regards
User600722

EFFECTIVE DATE usually refers to a date-tracked record (although not exclusively).
Date-tracked records in Oracle HR have an EFFECTIVE START DATE and an EFFECTIVE END DATE. The record is 'EFFECTIVE' between these dates. In reports, you often use SYSDATE to compare to these two dates to find the CURRENT effective record, e.g. SYSDATE BETWEEN EFFECTIVE START DATE AND EFFECTIVE END DATE.
When you make changes to a HR record, you can choose between DATE TRACKING options, such as CORRECT or UPDATE (there are others too). CORRECT will overwrite the record and replace the data with your changes. This is normally used when you need to correct something that is wrong. UPDATE will create a new version of the record from the EFFECTIVE START DATE you choose. It will also set the EFFECTIVE END DATE of the previous record to the day before your new record's EFFECTIVE START DATE. That enables a history of records to be maintained so you can see what your data looked like at ay one point in time.
Regards
Tim
Edited by: TimW on Sep 23, 2008 2:37 PM

What is the difference between full checkpoint and incremental checkpoint?

What is the difference between full checkpoint and incremental checkpoint?
And what is checkpoint queue?
Can someone clarify these concepts?
Thanks!

Hi,
there are different types of checkpoints:
- Full checkpoint:
=> DBWR writes all dirty buffers from the Buffer cache to the datafiles and CKPT retrieves a new Checkpoint Change Number from a sys owned sequence and writes this number to all file headers and the controlfile.
-- can be triggered by different events, like a logswitch, a manual checkpoint (alter system ..), a shutdown and so on
This is the setup point for SMON for a crash recovery.
- Partial checkpoint:
=> DBWR writes all dirty buffers of a singel tablespace from the Buffer cache to the datafiles and CKPT retrieves a new Checkpoint Change Number from a sys owned sequence and writes this number to all file headers and the controlfile.
-- can e triggered by an ALTER TABLESPACE OFFLINE, ALTER TABLESPACE READ ONLY, ALTER TABLESPACE BEGIN BACKUP statement.
Incremental checkpoint:
number to all file headers and the controlfile.
-- can be triggered by different events, like a logswitch, a manual checkpoint (alter system ..), a shutdown and so on
- Partial checkpoint:
=> DBWR writes all dirty buffers of a single tablespace from the Buffer cache to the datafiles and CKPT retrieves a new Checkpoint Change Number from a sys owned sequence and writes this number to all file headers and the controlfile.
-- frequency is determined by FAST_START_MTTR_TARGET parameter (new feature to Oracle 9i), with wich you can specify a time in seconds which SMON is allowed to take maximal for a Crash Recovery until the database must be open again.
Dapending on the system you have SMON must calculate the maximum number of Redolog-blocks which it can manage to recover in the specified number of seconds. It will then create so called incremental checkpoints which will be tracked in the so called checkpoint queue in memory.
FAST_START_MTTR_TARGET is auto-tuned in Oracle 10g and Oracle tries to manage (incremental) checkpoint in a fashion that a minimum of I/Os are caused and a minimum time for crash recovery is needed.
If you set LOG_CHECKPOINTS_TO_ALERT to TRUE you will find checkpoint information in the alertSID.log file. You will see FULL and INCREMENTAL checkpoints then.
Hope this clarifies your question,
Lutz Hartmann

What changed with sleep between 10.8 and 10.9?

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