Test oracle insert very very slow

I have just created a 11.2.0.3 db based on datawarehouse template, and tested insert 10,000,000 records through sysbench , and took 1 hour.
IT is extremely slow. I have not tune the db parameters yet, I assume the parameters are good for datawarehouse.
OS is redhat linux.
Anybody has advice on this?
Thanks in advance.

Having read [url http://sysbench.sourceforge.net/docs/]the manual, it sounds like it's doing row-by-rows inserts via a single session.
So not really a valid test.
How about:
Orion
[url http://www.dominicgiles.com/swingbench.html]Swingbench
[url http://kevinclosson.wordpress.com/2012/02/06/introducing-slob-the-silly-little-oracle-benchmark/]SLOB
These tools will help you benchmark and test your IO subsystems.
But, by far the most crucial element will be whether you insert 10,000,000 rows row-by-row or in bulk.
See Tim Gormans's Scaling to Infinity
not currently available from his website because it's being revamped but copies are out there, e.g.
http://www.nocoug.org/download/2012-11/NoCOUG_201211_Tim_Gorman_Data_Warehouse_Partitioning.pdf

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Oracle insert very slow (very urgent)

Hello
I am new to this forum and also new to oracle .... I am woking in a C# 3.5 desktop application
I am Leasing data from socket (1 message per 10 millisecond) and save in queue<T> and then i have a background thread which dequeu the data and perform some calculation and create “insert sql query “ on run time NO STORE PROCEDURE just simple insert query
For example
insert into Product values(0,computer , 125.35);
I pass that insert query to my datalayer which create oracle connection and insert in to a data base. see the code below
using System.Data.OracleClient
class db
OracleConnection conns = null
public static void conn(string dbalias, string userid, string password){
try
string connString = @"server =" + dbalias + ";uid =" + userid + ";password =" + password + ";";
conns = new OracleConnection(connString);
conns.Open();
catch (OracleException e){
Console.WriteLine("Error: " + e);}}
public static void ExecuteCommand(string sqlquery)
try
OracleCommand cmd = new OracleCommand(sqlquery,conns);
cmd.ExecuteNonQuery();
NOW the problem is that inseration in oracle database is very slow please tell me how to solve this issue

Additionally:
How slow? Just one single insert is slow? Or you're doing thousands of inserts that way and they add up to being slow?
If you're doing a bunch of inserts, wrap a bunch of them inside a transaction instead of doing them one by one which will avoid a commit each time as well.
Or use Array binding or Associatve arrays as indicated previously (You'd need to use Oracle's provider for that though ~ ou're using System.Data.OracleClient).
You're using a literal hard coded statement, per your example? Use bind variables.
Also, this forum is for tools that plug in to VS. Problems with ODP.NET code you've written would be more appropriate in the [ODP.NET forum|http://forums.oracle.com/forums/forum.jspa?forumID=146], but that forum deals with problems with Oracle's ODP, not Microsofts (which is in maintenance mode by the way)
Hope it helps,
Greg

Insert in oracle database issue (very urgent)

Hello
I am new to this forum and also new to oracle .... I am woking in a C# 3.5 desktop application
I am Leasing data from socket (1 message per 10 millisecond) and save in queue<T> and then i have a background thread which dequeu the data and perform some calculation and create “insert sql query “ on run time NO STORE PROCEDURE just simple insert query
For example
insert into Product values(0,computer , 125.35);
I pass that insert query to my datalayer which create oracle connection and insert in to a data base. see the code below
using System.Data.OracleClient
class db
OracleConnection conns = null
public static void conn(string dbalias, string userid, string password){
try
string connString = @"server =" + dbalias + ";uid =" + userid + ";password =" + password + ";";
conns = new OracleConnection(connString);
conns.Open();
catch (OracleException e){
Console.WriteLine("Error: " + e);}}
public static void ExecuteCommand(string sqlquery)
try
OracleCommand cmd = new OracleCommand(sqlquery,conns);
cmd.ExecuteNonQuery();
NOW the problem is that inseration in oracle database is very slow please tell me how to solve this issue

using System.Data.OracleClient ????
This is the ODP.NET forum.
using Oracle.DataAccess.Client;
and reference something like: C:\Oracle\product\11.1.0\client_1\ODP.NET\bin\2.x\Oracle.DataAccess.dll
Assuming your "insert thread" is simply waiting on the next queue entry, why don't you just turn pooling off, open the connection and keep that one connection open?
I am fairly certain the speed issue has nothing to do w/the insert statement vs. stored procedure.
r,
dennis

Query can run in Oracle 10g but very slow in 11g

Hi,
We've just migrated to Oracle 11g and we noticed that some of our view are very slow (it takes seconds in 10g and takes 30 minutes in 11g), and the tables are using the local table.
Do any of you face the same issue?
This is our query:
SELECT
A.wellbore
,a.depth center
,d.MD maxbc
,d.XDELT xbc
,d.YDELT ybc
,e.MD minac
,e.XDELT xac
,e.YDELT yac
from
table_A d,table_A e, table_B a
where a.wellbore = d.WELLBORE (+)
and a.wellbore = e.WELLBORE(+)
and d.MD = (select max(MD) from table_A b where b.MD < a.depth and
d.wellBORE = b.wellBORE)
and e.md = (select min(md) from table_A c where c.MD > a.depth and
e.wellBORE = c.wellBORE);

Thanks I will move to the correct one..
Rafi,
Build the Indexes and it is still slow. I am querying from a view from another database, which is in 10g instances.
Moved: Query can run in Oracle 10g but very slow in 11g
Edited by: 924400 on Apr 1, 2012 6:03 PM
Edited by: 924400 on Apr 1, 2012 6:26 PM

Oracle connection is very slow

Hello,
I install oracle enterprise 5 and oracle 11g R2 and when i connect oracle from plsql developer connectoion is very very slow.
What do you think about this problem ?
i don't want to install oracle 11g on windows server !

Hi,
Get the network speed/connection checked from the source server to database server. Also check the resources usage on client and server machine for any sign of resource issues.
Regards

Please help, my Macbook Pro running very very slow...virus?

Hi all, my macbook pro is running very very slow, report and spec list as follow, thanks!
MBP 500GB : 2.4ghz Intel core i5 / 4gb DDR3 / OS10.9.5
report from Disk Utility:
Permissions differ on “System/Library/CoreServices/Feedback Assistant.app”; should be drwxr-xr-x ; they are lrwxr-xr-x .Repaired “System/Library/CoreServices/Feedback Assistant.app”Warning: SUID file “System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAg ent” has been modified and will not be repaired.Permissions differ on “Applications/Safari.app/Contents/Resources/Safari.help/Contents/Resources/inde x.html”; should be lrwxr-xr-x ; they are -rwxr-xr-x .Repaired “Applications/Safari.app/Contents/Resources/Safari.help/Contents/Resources/inde x.html”
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Yes! Here it goes, many many thanks!
EtreCheck version: 2.1.8 (121)
Report generated 18 March, 2015 4:34:51 pm HKT
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
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Tutorial project runs very very slow.

Hello,
I have just started to work with OAFramework and I am trying to execute the tutorial project. After configurating all my enviroment I am able to run properly this project with "Run > Run test_fwktutorial.jsp" but the problem is that it runs very very slow. It takes at least 5 minutes to load the "Hello World!" and the same time to load the other pages.
We work with Patch Jdeveloper 5455514 and our system is Oracle Applications 11.5.10 RUP4.
We are connected to our system via a VPN client. Could it be the reason for this poor performance or are there other things I shoud have to modify?
Thanks in advanced,
Xavier

Hi Xavier,
There can be multiple reasons why the Jdeveloper is very slow. VPN might be one of them. Try accessing the Oracle Applications using the VPN connectivity and observe the speed. Try to do some transaction and notice whether database is slow or not. You can also double click the jpx file and check for the db connectivity by clicking on 'Test Connection' and see how much time it takes. The other reasons why the Jdeveloper is slow might be because you have multiple projects opened. You can also try to close the Jdeveloper session and restart again by deleting the myclasses and systems folder.
See whether one of these approaches help.
Thanks

My macbook pro is running very slow and very very hot

hi everyone I have a 13 inch mid 2012 MacBook pro,
it is running very very slow and extremely hot, I downloaded a program called smc fan control and it is reading the internal temperature of my computer as 80 degrees Celsius. I was looking on the forums and saw that I should run an apple hardware test. which I have done and it is coming up with Error 4/MOT/4/40000002: EXHAUST-2003
what does this mean? is it something to do with my fan?
also there is a very strange clicking noise when I lift the mac up or if its on its side and sometimes it just randomly freezes, the computer does not respond and then it restarts.
what do I do?
please help!

" the fan didn't seem congested with dust, at least not enough to cause any malfunction."
The lint and crap builds up in the heat exchanger radiator. It's the grilled thing at the output of the fan.
https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Unibody+Mid+2012+Fan+Replacemen t/10367
Look at step 6. It's that grilled thing at the top of the fan. If you remove the fan that radiator is probably clogged with lint. Brush it all away and if possible blow out the fan with compressed air. Make sure the fan turns freely and doesn't feel stiff.
http://s291.photobucket.com/user/spudnuty/media/13%20inch%20MacBook%20Core%202%2 05-2007%20dirty%20rainstrm/MacBookHeatsinkinlet.jpg.html?filters[user]=68196367& filters[recent]=1&sort=1&o=21
This isn't a MBP radiator but the problem will look like this.

The query is performing very very slow, can any one please help me tue this

SELECT h.ROWID row_id, e.preparer_user_id
FROM arsarc.ars_sv_reconciliation e,
arsarc.ars_sv_reconciliation_accts a,
arsarc.ars_sv_acct_status_history h
WHERE e.rec_id = :b1
AND e.rec_id = a.rec_id
AND e.ledger_id = h.ledger_id
AND a.ccid = h.ccid
AND e.preparer_user_id <> h.preparer_user_id
AND h.fiscal_year + h.fiscal_period >= e.fiscal_year + e.fiscal_period
PLAN_TABLE_OUTPUT
Plan hash value: 2851427911
| Id | Operation                     | Name                           | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT              |                                |    60 | 7740 | 6282 (11)| 00:00:08 |
|* 1 | HASH JOIN                    |                                |    60 | 7740 | 6282 (11)| 00:00:08 |
|* 2 |   INDEX RANGE SCAN            | PK_RECONCILIATION_ACCTS        |   104 | 4160 |     3   (0)| 00:00:01 |
|   3 |   NESTED LOOPS                |                                |   178K|    15M| 6243 (10)| 00:00:08 |
|   4 |    TABLE ACCESS BY INDEX ROWID| ARS_SV_RECONCILIATION          |     1 |    23 |     2   (0)| 00:00:01 |
|* 5 |     INDEX UNIQUE SCAN         | PK_ARS_SV_RECONCILIATION       |     1 |       |     1   (0)| 00:00:01 |
PLAN_TABLE_OUTPUT
|* 6 |    TABLE ACCESS BY INDEX ROWID| ARS_SV_ACCT_STATUS_HISTORY     |   178K|    11M| 6241 (10)| 00:00:08 |
|* 7 |     INDEX RANGE SCAN          | ARS_SV_ACCT_STATUS_HISTORY$LPY | 62094 |       | 5243 (11)| 00:00:07 |
Predicate Information (identified by operation id):
   1 - access("A"."CCID"="H"."CCID")
   2 - access("A"."REC_ID"=TO_NUMBER(:B1))
   5 - access("E"."REC_ID"=TO_NUMBER(:B1))
   6 - filter("E"."PREPARER_USER_ID"<>"H"."PREPARER_USER_ID")
PLAN_TABLE_OUTPUT
   7 - access("E"."LEDGER_ID"="H"."LEDGER_ID")
       filter("H"."FISCAL_YEAR"+"H"."FISCAL_PERIOD">="E"."FISCAL_YEAR"+"E"."FISCAL_PERIOD")

Hi,
the plan isn't showing any problem (the cost isn't high) so it's not possible to use it to troublehshoot the query. Please provide more information: 4-digit Oracle version, and depending on the version, either SQL real-time monitor report or dbms_xplan output with rowsource stats (option "iostats last" after running your sql with ALTER SESSION SET STATISTICS_LEVEL = ALL).
Also, when reporting a performance problem it would be wise to avoid expressions like "very, very slow" replacing them with something more useful like "my query is taking 2.5 hours to retrieve 30k rows".
Best regards,
Nikolay

To insert the xml data's generated dynamically it to orac very very urgent

I AM WORKING IN A PROJECT WHICH RECEIVES THE DATA FROM FLAT FILES
AND CONVERT IT TO XML FILE>
I am in need to convert the xml file generated dynamically through out the year map it to correct datafield it the database and insert it in to oracle data base using java and jsp, servlets.
i also need mechanism to be explained detailed and some sample codeings
of converting the data from database to xml because
and i also need to convert the data taken from sql server7.0 put it in xml file and once again read parse and insert in to oracle database.
some sample codeings of the mechanisma and explaninations.
I am in very very urgent-

Hello sir,
Thanks for the guidence.
I need to insert data's into database columns where i should fetch data from xml file.
please
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Hi have come here as a last resort , i have been a bt internet/broadband user for over 10 years have had broadband for a long time , we often in our house have me playing games online on the pc , the kids have the xbox 360 and the mrs will have the ipad all hooked up at the same time with no problems ,
then friday the broadband dropped and we had a orange flashing light ,
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here is btspeed check results:
FAQ
<script type="text/javascript"></script> Test1 comprises of Best Effort Test: -provides background information.
Download Speed
80 Kbps
0 Kbps
250 Kbps
Max Achievable Speed
Download speedachieved during the test was - 80 Kbps
For your connection, the acceptable range of speeds is 50-250 Kbps.
Additional Information:
Your DSL Connection Rate :160 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 135 Kbps
If you wish to discuss these results please contact your ISP.
If you are experiencing problems with specific applications, servers or websites please contact your ISP for assistance.
Your test has completed please close this window to exit the performance tester.
Please visit FAQ section if you are unable To understand the test results.
http://speedtest.net/result/1379380863.png

have phoned them 4 times now (2 times on 151) and they ensure me they have tested the line and i have no fault , they set up remote asstent and the guy did a soft restart of my hub which seemed to work , he then tryed to get me a better d/l speed but it whet back to a poor one again , so he again did a soft restart and i now get this:
ADSL line status
Connection Information
Line state
Connected <script type="text/javascript"></script>
Connection time
0 days, 00:40:50
Downstream
352 Kbps
Upstream
448 Kbps
ADSL Settings
VPI/VCI
0/38
Type
PPPoA
Modulation
G.992.1 Annex A
Latency type
Interleaved
Noise margin (Down/Up)
11.4 dB / 21.0 dB
Line attenuation (Down/Up)
21.4 dB / 12.0 dB
Output power (Down/Up)
1.0 dBm / 1.5 dBm
the downstream and upstream numbers are both better but it has made no differnace, every page i go to takes ages to load (if they load at all) and the ipad wont load at all , this is now getting silly i have wasted around 6 hrs of my time tonight trying to fix this and now just feel like canceling and ordering from eleswhere as i know the messing i will have to go through in the morning to explaine this from the start to a new call center worker all over again
i was led to belive that bt staff would help me if i posted here hence why i did so but even this is looking like a total waste of my time , (no dissrepect to you imjolly for your help)

InDesign CC 2014 is very very slow when working with a table.

InDesign CC 2014 is very very slow when working with a table. Every 1/2 - 1 hour it nearly falls back, impossible to work with. While this project must be finshed quite soon..
What the hell is the matter with this Creative Cloud. I havea very fast iMac form 2014. I closed all other programmes, even cannot listen to music now. More people with this problem??
Martien

@Martien – How complex is your table?
How many cells? Merged ones as well?
Complex formatting of texts inside the cells?
Complex formatting rules of table rows and/or columns?
Many images inserted?
If yes, and the table is running through many text frames of many pages, I fear, you can do nothing against slowness.
Nothing but: Greek text, not showing the page contents in the Pages Panel, in short: anything you can do to get better performance in redrawing of the screen.
If you have the chance to break up one big table in several parts, do that and edit its parts one after another isolated. Pehaps in different documents.
Then merge the parts in one table, if you want to flow it from page to page.
Uwe

Speeds in my line very, very slow.

There are the speedtest results:
Test1 comprises of Best Effort Test: -provides background information.
Download Speed
1783 Kbps
0 Kbps
2000 Kbps
Max Achievable Speed
Download speedachieved during the test was - 1783 Kbps
For your connection, the acceptable range of speeds is 400-2000 Kbps.
Additional Information:
Your DSL Connection Rate :2880 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 2000 Kbps
Now when i try to download something i usually get a max of 275 kb per second. Yes i know, very very slow, its been like this for a year, since i had BT, but these past few days the download speed is 25 kb per second. Why am I getting such a slow connection? i went on the BT site, put my home phon number there and iit said that my average speed is 1.5 mb per second in my area.
BT is not obeying theire part of the contract! Any help what so ever? I had 2 BT contractors or engineers come to my house to make the connection better and they both didn't do much at all!

Erm i only got one Main Socket at my house now, i will do the quiet test in one minute
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Line state
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Connection time
0 days, 0:44:05
Downstream
2,880 Kbps
Upstream
448 Kbps
ADSL settings
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0/38
Type
PPPoA
Modulation
ITU-T G.992.1
Latency type
Interleaved
Noise margin (Down/Up)
11.5 dB / 16.0 dB
Line attenuation (Down/Up)
53.0 dB / 28.0 dB
Output power (Down/Up)
18.3 dBm / 12.4 dBm
Loss of Framing (Local)
0
Loss of Signal (Local)
0
Loss of Power (Local)
0
FEC Errors (Down/Up)
2867 / 0
CRC Errors (Down/Up)
29 / 2147480000
HEC Errors (Down/Up)
nil / 0
Error Seconds (Local)
19

Very very slow file access iSCSI NSS on SLES11/XEN/OES11

Hi,
Like many Novell customers while carrying out a hardware refresh we are moving off traditional Netware 6.5 to OES11 and at the same time virtualising our environment.
We have new Dell Poweredge 620 serves attached by 10gig iSCSI to Equalogic SAN
Installed SLES will all patches and updates and XEN and then created OES11 SP2 virtual machines, these connect to NSS volume by iSCSI
Migrated files from traditional netware server to new hardware and stated testing and ran into very very slow files access times
A 3.5mb pdf file takes close to 10 minutes to open from local PC with Novell Client installed, same if no client and open via cifs. Opening same file off traditional NW6.5 server takes 3-4 seconds.
We have had a case open with Novell for almost 2 months but they are unable to resolve.
To test other options we installed VMWare ESXi on the internal usb flash drive and booted off that, created same OES11 VM and connected to NSS on SAN and same pdf open in seconds.
The current stack of SLES11/XEN/OES11 is not able to be put into production
Any ideas where the bottleneck might be? We think is in XEN.
Thanks

Originally Posted by idgandrewg
Waiting for support to tell me what the implications are of this finding and best way to fix
Hi,
As also mentioned in the SUSE forums, there is the option of using the Equallogic Hit Kit. One of the tools, next to the great autoconfigure options it has, is the eqltune tool.
Some of the stuff that I've found important:
-gro is known read performance killer. Switch if off on the iSCSI interfaces.
- if possible (meaning you have decent hardware), disable flowcontrol as this generally offers stability but at the cost of performance. If your hardware is decent, this form of traffic control should not be needed.
-To have multipath work correctly over iSCSI and starting SLES 11 SP1. Make sure kernel routing and arp handling are set correctly (not directly relevant if you only have 1 10 GB link):
net.ipv4.conf.[iSCSI interfaceX name].arp_ignore = 1
net.ipv4.conf.[iSCSI interfaceX name].arp_announce = 2
net.ipv4.conf.[iSCSI interfaceX name].rp_filter = 2
Test if traffic is actively routed over both iSCSI interfaces:
ping -I [iSCSI interfaceX name] [iSCSI Group IP EQL]
-Make sure network buffers etc are adequately set as recommended by Dell (set in /etc/sysctl.conf):
#NetEyes Increase network buffer sizes for iSCSI
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 8192 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
net.core.wmem_default = 262144
net.core.rmem_default = 262144
-Settings for the /etc/iscsi/iscsid.conf I'm using:
node.startup = automatic # <--- review and set according to environment
node.session.timeo.replacement_timeout = 60
node.conn[0].timeo.login_timeout = 15
node.conn[0].timeo.logout_timeout = 15
node.conn[0].timeo.noop_out_interval = 5
node.conn[0].timeo.noop_out_timeout = 5
node.session.err_timeo.abort_timeout = 15
node.session.err_timeo.lu_reset_timeout = 20 #Default is 30
node.session.err_timeo.tgt_reset_timeout=20 #Default is 30
node.session.initial_login_retry_max = 12 # Default is 4
node.session.cmds_max = 1024 #< --- Default is 128
node.session.queue_depth = 128 #< --- Default is 32
node.session.iscsi.InitialR2T = No
node.session.iscsi.ImmediateData = Yes
node.session.iscsi.FirstBurstLength = 262144
node.session.iscsi.MaxBurstLength = 16776192
node.conn[0].iscsi.MaxRecvDataSegmentLength = 131072 #A lower value improves latency at the cost of higher IO throughput
discovery.sendtargets.iscsi.MaxRecvDataSegmentLeng th = 32768
node.session.iscsi.FastAbort = No # < --- default is Yes
-Have Jumbo frames configured on the iSCSI interfaces & iSCSI switch.
If you are using multipathd instead of the dm-switch provided with the Equallogic Hit kit, make sure the /etc/multipath.conf holds the optimal settings for the Equallogic arrays.
Ever since Xen with SLES 11 SP1 we have been seeing strong performing virtual servers. We still use 1GB connections (two 1GB connections for each server, serving upto 180~190Mb/s).
There could be a difference with the 10GB setup, where multipath is not really needed or used (depending on the scale of your setup). One important thing is that the iSCSI switches are doing their thing correctly. But seeing you've already found better results tuning network parameters on the Xen host, seems to indicate that's ok.
Cheers,
Willem

Why is technet site very very slow

Hi,
I found technet site to be very very slow compared to other
oracle sites. Can OTN do anything about it -Satya
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Oracle JDeveloper Team (guest) wrote:
: Satya (guest) wrote:
: : Hi,
: : I found technet site to be very very slow compared to other
: : oracle sites. Can OTN do anything about it -Satya
: You will have most success posting questions regarding the OTN
: Website by using the 'Contact OTN' link on the top of this
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Thanks -Satya
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