Data replacement in stmedit WFP sample.
Hi all !
I have a problem with testing stmedit WFP sample.
I have configured parameters such as
EditInline = 0 (out-of-band)
StringToFind = "rainy"
StringToReplace = "sunny"
InspectionPort = 1004
InspectOutbound = = 0
If <StringToFind> has a equal length with <StringToReplace>, everything works fine.
But, if <StringToFind> is longer than <StringToReplace>, TCP re-transmissions are generated.
If the inbound stream amount is small, there is no re-transmission.
The larger inbound stream indicated, the more re-transmissions are generated.
At last the connection was reset.
Here is wireshark log.
No. Time Source Destination
Protocol Length Info
1 0.000000000 192.168.1.14 192.168.1.48 TCP 66 51802
> 1004 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 WS=16 SACK_PERM=1
2 0.001022000 192.168.1.48 192.168.1.14 TCP 66
1004 > 51802 [SYN, ACK] Seq=0 Ack=1 Win=65535 Len=0 MSS=1460 WS=16 SACK_PERM=1
3 0.001109000 192.168.1.14 192.168.1.48 TCP 54
51802 > 1004 [ACK] Seq=1 Ack=1 Win=524288 Len=0
4 15.663162000 192.168.1.14 192.168.1.48 TCP 566 51802 >
1004 [PSH, ACK] Seq=1 Ack=1 Win=524288 Len=512
5 15.663213000 192.168.1.14 192.168.1.48 TCP 1590 51802 > 1004
[PSH, ACK] Seq=513 Ack=1 Win=524288 Len=1536
6 15.663250000 192.168.1.14 192.168.1.48 TCP 1590 51802 > 1004
[PSH, ACK] Seq=2049 Ack=1 Win=524288 Len=1536
7 15.663283000 192.168.1.14 192.168.1.48 TCP 1590 51802 > 1004
[PSH, ACK] Seq=3585 Ack=1 Win=524288 Len=1536
8 15.663318000 192.168.1.14 192.168.1.48 TCP 774 51802 >
1004 [PSH, ACK] Seq=5121 Ack=1 Win=524288 Len=720
9 15.664350000 192.168.1.48 192.168.1.14 TCP 60 1004
> 51802 [ACK] Seq=1 Ack=1973 Win=524288 Len=0
10 15.664377000 192.168.1.14 192.168.1.48 TCP 2974 51802 > 1004 [PSH,
ACK] Seq=5841 Ack=1 Win=524288 Len=2920
11 15.664716000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=3509 Win=524288 Len=0
12 15.664732000 192.168.1.14 192.168.1.48 TCP 2974 51802 > 1004 [PSH,
ACK] Seq=8761 Ack=1 Win=524288 Len=2920
13 15.665072000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=5045 Win=524288 Len=0
14 15.665072000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=5841 Win=523488 Len=0
15 15.665091000 192.168.1.14 192.168.1.48 TCP 5894 51802 > 1004 [PSH,
ACK] Seq=11681 Ack=1 Win=524288 Len=5840
16 15.665988000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=8761 Win=524288 Len=0
17 15.665988000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=11681 Win=524288 Len=0
18 15.666009000 192.168.1.14 192.168.1.48 TCP 11734 51802 > 1004 [PSH, ACK]
Seq=17521 Ack=1 Win=524288 Len=11680
19 15.666681000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=14601 Win=524288 Len=0
20 15.666682000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=17521 Win=524288 Len=0
21 15.666707000 192.168.1.14 192.168.1.48 TCP 11734 51802 > 1004 [PSH, ACK]
Seq=29201 Ack=1 Win=524288 Len=11680
22 15.667013000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=20441 Win=524288 Len=0
23 15.667027000 192.168.1.14 192.168.1.48 TCP 5894 51802 > 1004 [PSH,
ACK] Seq=40881 Ack=1 Win=524288 Len=5840
24 15.667346000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=23361 Win=524288 Len=0
25 15.667359000 192.168.1.14 192.168.1.48 TCP 5894 51802 > 1004 [PSH,
ACK] Seq=46721 Ack=1 Win=524288 Len=5840
26 15.667679000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=26281 Win=524288 Len=0
27 15.667695000 192.168.1.14 192.168.1.48 TCP 5894 51802 > 1004 [PSH,
ACK] Seq=52561 Ack=1 Win=524288 Len=5840
28 15.668012000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=29201 Win=524288 Len=0
29 15.668029000 192.168.1.14 192.168.1.48 TCP 5894 51802 > 1004 [PSH,
ACK] Seq=58401 Ack=1 Win=524288 Len=5840
30 15.668344000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=32121 Win=524288 Len=0
31 15.668358000 192.168.1.14 192.168.1.48 TCP 5894 51802 > 1004 [PSH,
ACK] Seq=64241 Ack=1 Win=524288 Len=5840
32 15.668678000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=35041 Win=524288 Len=0
33 15.668678000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=37961 Win=524288 Len=0
34 15.668698000 192.168.1.14 192.168.1.48 TCP 11734 51802 > 1004 [PSH, ACK]
Seq=70081 Ack=1 Win=524288 Len=11680
35 15.671890000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=75921 Win=524288 Len=0
36 15.671890000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=78841 Win=524288 Len=0
37 15.671965000 192.168.1.14 192.168.1.48 TCP 49694 51802 > 1004 [PSH, ACK]
Seq=81761 Ack=1 Win=524288 Len=49640
38 15.682716000 192.168.1.48 192.168.1.14 TCP 60 1004 >
51802 [ACK] Seq=1 Ack=131401 Win=524288 Len=0
39 15.682789000 192.168.1.14 192.168.1.48 TCP 14281 51802 > 1004 [PSH, ACK]
Seq=131401 Ack=1 Win=524288 Len=14227
40 15.984308000 192.168.1.14 192.168.1.48 TCP 1514 [TCP Retransmission]
51802 > 1004 [PSH, ACK] Seq=131401 Ack=1 Win=524288 Len=1460
41 15.985275000 192.168.1.48 192.168.1.14 TCP 66 [TCP Dup
ACK 38#1] 1004 > 51802 [ACK] Seq=1 Ack=131401 Win=524288 Len=0 SLE=131401 SRE=132861
42 16.584309000 192.168.1.14 192.168.1.48 TCP 1514 [TCP Retransmission]
51802 > 1004 [PSH, ACK] Seq=131401 Ack=1 Win=524288 Len=1460
43 16.585239000 192.168.1.48 192.168.1.14 TCP 66 [TCP Dup
ACK 38#2] 1004 > 51802 [ACK] Seq=1 Ack=131401 Win=524288 Len=0 SLE=131401 SRE=132861
44 17.784336000 192.168.1.14 192.168.1.48 TCP 590 [TCP Retransmission]
51802 > 1004 [PSH, ACK] Seq=131401 Ack=1 Win=524288 Len=536
45 17.785042000 192.168.1.48 192.168.1.14 TCP 66 [TCP Dup
ACK 38#3] 1004 > 51802 [ACK] Seq=1 Ack=131401 Win=524288 Len=0 SLE=131401 SRE=131937
46 18.984877000 192.168.1.14 192.168.1.48 TCP 590 [TCP Retransmission]
51802 > 1004 [PSH, ACK] Seq=131401 Ack=1 Win=524288 Len=536
47 18.985585000 192.168.1.48 192.168.1.14 TCP 66 [TCP Dup
ACK 38#4] 1004 > 51802 [ACK] Seq=1 Ack=131401 Win=524288 Len=0 SLE=131401 SRE=131937
48 20.185723000 192.168.1.14 192.168.1.48 TCP 1514 [TCP Retransmission]
51802 > 1004 [PSH, ACK] Seq=131401 Ack=1 Win=524288 Len=1460
49 20.186649000 192.168.1.48 192.168.1.14 TCP 66 [TCP Dup
ACK 38#5] 1004 > 51802 [ACK] Seq=1 Ack=131401 Win=524288 Len=0 SLE=131401 SRE=132861
50 22.585988000 192.168.1.14 192.168.1.48 TCP 1514 [TCP Retransmission]
51802 > 1004 [PSH, ACK] Seq=131401 Ack=1 Win=524288 Len=1460
51 22.586936000 192.168.1.48 192.168.1.14 TCP 66 [TCP Dup
ACK 38#6] 1004 > 51802 [ACK] Seq=1 Ack=131401 Win=524288 Len=0 SLE=131401 SRE=132861
52 27.386826000 192.168.1.14 192.168.1.48 TCP 1514 [TCP Retransmission]
51802 > 1004 [PSH, ACK] Seq=131401 Ack=1 Win=524288 Len=1460
53 27.387759000 192.168.1.48 192.168.1.14 TCP 66 [TCP Dup
ACK 38#7] 1004 > 51802 [ACK] Seq=1 Ack=131401 Win=524288 Len=0 SLE=131401 SRE=132861
54 36.987729000 192.168.1.14 192.168.1.48 TCP 54 51802 >
1004 [RST, ACK] Seq=132861 Ack=1 Win=0 Len=0
I want to know how can I increase or decrease inbound stream.
Thanks in advice.
I don't know whether this procedure works in 10.6. I've only tested it in 10.8
Turn Time Machine OFF temporarily in its preference pane. Leave the window open.
Navigate in the Finder to your backup disk, and then to the folder named "Backups.backupdb" at the top level of the volume. If you back up over a network, you'll first have to mount the disk image file containing your backups by double-clicking it. Descend into the folder until you see the snapshots, which are represented by folders with a name that begins with the date of the snapshot. Find the one you want to restore from. There's a link named "Latest" representing the most recent snapshot. Use that one, if possible. Otherwise, you'll have to remember the date of the snapshot you choose.
Inside the snapshot folder is a folder hierarchy like the one on the source disk. Find one of the items you can't restore and select it. Open the Info dialog for the selected item. In the Sharing & Permissions section, you may see an entry in the access list that shows "Fetching…" in the Name column. If so, click the lock icon in the lower right corner of the dialog and authenticate. Then delete the "Fetching…" item from the icon list. Click the gear icon below the list and select Apply to enclosed items from the popup menu.
Now you should be able either to copy the item in the Finder or to restore it in the time-travel view. If you use the time-travel view, be sure to select the snapshot you just modified. If successful, repeat the operation with the other items you were unable to restore. You can select multiple items in the Finder and open a single Info dialog for all of them by pressing the key combination option-command-I.
When you're done, turn TM back ON and close its preference pane.
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JOB200 - started at 10AM - stopped at 3PM
JOB300 - started at 12PM - stopped at 2PM
The query would tell me that JOB1 ran with a concurrency of 2 because JOB1 and JOB2
were running started and finished within the same time. JOB2 ran with the concurrency
of 3 because all jobs ran within its start and stop time. The output would look like this.
JOB START STOP CONCURRENCY
=== ==== ==== =========
100 9AM 11AM 2
200 10AM 3PM 3
300 12PM 2PM 2
I've been looking at this post, and this one if very similar...
Analytic functions using window date range
Here is the sample data..
CREATE TABLE TEST_JOB
( jobid NUMBER,
created_time DATE,
start_time DATE,
stop_time DATE
insert into TEST_JOB values (100, sysdate -1, to_date('05/04/08 09:00:00','MM/DD/YY hh24:mi:ss'), to_date('05/04/08 11:00:00','MM/DD/YY hh24:mi:ss'));
insert into TEST_JOB values (200, sysdate -1, to_date('05/04/08 10:00:00','MM/DD/YY hh24:mi:ss'), to_date('05/04/08 13:00:00','MM/DD/YY hh24:mi:ss'));
insert into TEST_JOB values (300, sysdate -1, to_date('05/04/08 12:00:00','MM/DD/YY hh24:mi:ss'), to_date('05/04/08 14:00:00','MM/DD/YY hh24:mi:ss'));
select * from test_job;
JOBID|CREATED_TIME |START_TIME |STOP_TIME
----------|--------------|--------------|--------------
100|05/04/08 09:28|05/04/08 09:00|05/04/08 11:00
200|05/04/08 09:28|05/04/08 10:00|05/04/08 13:00
300|05/04/08 09:28|05/04/08 12:00|05/04/08 14:00
Any help with this query would be greatly appreciated.
thanks.
-peterafter some checking the model rule wasn't working exactly as expected.
I believe it's working right now. I'm posting a self-contained example for completeness sake.I use 2 functions to convert back and forth between epoch unix timestamps, so
I'll post them here as well.
Like I said I think this works okay, but any feedback is always appreciated.
-peter
CREATE OR REPLACE FUNCTION date_to_epoch(p_dateval IN DATE)
RETURN NUMBER
AS
BEGIN
return (p_dateval - to_date('01/01/1970','MM/DD/YYYY')) * (24 * 3600);
END;
CREATE OR REPLACE FUNCTION epoch_to_date (p_epochval IN NUMBER DEFAULT 0)
RETURN DATE
AS
BEGIN
return to_date('01/01/1970','MM/DD/YYYY') + (( p_epochval) / (24 * 3600));
END;
DROP TABLE TEST_MODEL3 purge;
CREATE TABLE TEST_MODEL3
( jobid NUMBER,
start_time NUMBER,
end_time NUMBER);
insert into TEST_MODEL3
VALUES (300,date_to_epoch(to_date('05/07/2008 10:00','MM/DD/YYYY hh24:mi')),
date_to_epoch(to_date('05/07/2008 19:00','MM/DD/YYYY hh24:mi')));
insert into TEST_MODEL3
VALUES (200,date_to_epoch(to_date('05/07/2008 09:00','MM/DD/YYYY hh24:mi')),
date_to_epoch(to_date('05/07/2008 12:00','MM/DD/YYYY hh24:mi')));
insert into TEST_MODEL3
VALUES (400,date_to_epoch(to_date('05/07/2008 10:00','MM/DD/YYYY hh24:mi')),
date_to_epoch(to_date('05/07/2008 14:00','MM/DD/YYYY hh24:mi')));
insert into TEST_MODEL3
VALUES (500,date_to_epoch(to_date('05/07/2008 11:00','MM/DD/YYYY hh24:mi')),
date_to_epoch(to_date('05/07/2008 16:00','MM/DD/YYYY hh24:mi')));
insert into TEST_MODEL3
VALUES (600,date_to_epoch(to_date('05/07/2008 15:00','MM/DD/YYYY hh24:mi')),
date_to_epoch(to_date('05/07/2008 22:00','MM/DD/YYYY hh24:mi')));
insert into TEST_MODEL3
VALUES (100,date_to_epoch(to_date('05/07/2008 09:00','MM/DD/YYYY hh24:mi')),
date_to_epoch(to_date('05/07/2008 23:00','MM/DD/YYYY hh24:mi')));
commit;
SELECT jobid,
epoch_to_date(start_time)start_time,
epoch_to_date(end_time)end_time,
n concurrency
FROM TEST_MODEL3
MODEL
DIMENSION BY (start_time,end_time)
MEASURES (jobid,0 n)
(n[any,any]=
count(*)[start_time<= cv(start_time),end_time>=cv(start_time)]+
count(*)[start_time > cv(start_time) and start_time <= cv(end_time), end_time >= cv(start_time)]
ORDER BY start_time;
The results look like this:
JOBID|START_TIME|END_TIME |CONCURRENCY
----------|---------------|--------------|-------------------
100|05/07/08 09:00|05/07/08 23:00| 6
200|05/07/08 09:00|05/07/08 12:00| 5
300|05/07/08 10:00|05/07/08 19:00| 6
400|05/07/08 10:00|05/07/08 14:00| 5
500|05/07/08 11:00|05/07/08 16:00| 6
600|05/07/08 15:00|05/07/08 22:00| 4
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