Updating incremental values in a plsql cursor pattinson and nikki reed dating


05-Nov-2017 04:15

The two I see most often are Execute Reply and Credit:send blkd.I realize that 2 parallel operations can take different amounts of time to finish their tasks and that some waits cannot be avoided (or even considered bad), I just don't know which ones.I've seen lot's of questions on the internet about these, but no answers. Tom, In our production system , while executing one procedure it take very long time to execute it when i run the query individualy it run fast..Can you tell if any of the PX Deq waits are interesting or significant/correctable? so i traced the session and found that my SQL*Net message from client waited that much time... SQL select * from v$session_event where sid=88; call count cpu elapsed disk query current rows ------- ------ -------- ---------- ---------- ---------- ---------- ---------- Parse 1 0.00 0.03 0 0 0 0 Execute 18480 36.69 88.65 0 0 0 0 Fetch 18480 8.77 20.28 0 73920 0 18480 ------- ------ -------- ---------- ---------- ---------- ---------- ---------- total 36961 45.46 108.96 0 73920 0 18480 Misses in library cache during parse: 0 Optimizer goal: CHOOSE Parsing user id: 324 (recursive depth: 1) SID EVENT TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED AVERAGE_WAIT --------- ------------------------------ ----------- -------------- ----------- ------------ MAX_WAIT --------- 3 88 SQL*Net more data to client 1 0 0 0 0 88 SQL*Net message from client 304 0 680756 2239.3289 382821 SQL select * from v$session_wait where sid=88; SID SEQ# EVENT --------- --------- ------------------------------ P1TEXT P1 P1RAW ---------------------------------------------------------------- --------- -------- P2TEXT P2 P2RAW ---------------------------------------------------------------- --------- -------- P3TEXT P3 P3RAW WAIT_TIME ---------------------------------------------------------------- --------- -------- --------- SECONDS_IN_WAIT STATE --------------- ------------------- 88 2132 SQL*Net message from client driver id 675562835 28444553 #bytes 1 00000001 0 00 0 136 WAITING Thanks in advance and Your doing great job tom........As I said, we can use IO slaves to simulate async IO or if there is no async io, we would do it sequentially.

updating incremental values in a plsql cursor-90

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we were sitting idle waiting for the client to bug us to do something.

The Ask TOM team is taking a break over the holiday season. IO done, this event is used by the IO slave processes (oracle Innn) when waiting for slave IO processes to complete a request or by idle slave IO processes waiting for work. COM select event, time_waited 2 from v$session_event 3 where sid = ( select sid from v$mystat where rownum = 1 ) 4 and event = 'SQL*Net message from client' 5 / EVENT TIME_WAITED ---------------------------------------------------------------- ----------- SQL*Net message from client 925 Here the sql*net message from client is a true IDLE wait event.



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