Hello,
We've suddenly started hitting very long delays in our production instance when saving data. The issue appears rather randomly, it seems to occur much more on some projects than on others, and mainly when saving logged work or left work for example.
As you can see from the log, it is an old version - hasn't been updated in a long time because it was nice and stable ! So I don't know why all of a sudden the surge in these errors/delays.
Errors which appear in the log:
2019-11-06 14:47:06.435 ***** ERROR ***** [V6.5.7] Exception-[HY000] SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction
2019-11-06 14:47:06.436 ***** ERROR ***** [V6.5.7] For query : update projecthistory set realWork='2456.6' where id=235954
--
2019-11-06 14:47:21.139 ***** ERROR ***** [V6.5.7] Exception-[HY000] SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction
2019-11-06 14:47:21.140 ***** ERROR ***** [V6.5.7] For query : update planningelement set realWork='234644.52342' , leftWork='16355.93' where id=3
--
2019-11-06 14:47:58.566 ***** ERROR ***** [V6.5.7] Exception-[HY000] SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction
2019-11-06 14:47:58.566 ***** ERROR ***** [V6.5.7] For query : update kpivalue set kpiValue='1890.3386454183' where id=1612
--
2019-11-06 14:48:13.396 ***** ERROR ***** [V6.5.7] Exception-[HY000] SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction
2019-11-06 14:48:13.396 ***** ERROR ***** [V6.5.7] For query : update projecthistory set realWork='234644.52342' , leftWork='16355.93' where id=235928
--
2019-11-06 14:48:20.178 ***** ERROR ***** [V6.5.7] Exception-[40001] SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction
2019-11-06 14:48:20.178 ***** ERROR ***** [V6.5.7] For query : update planningelement set realWork='2453.8' , plannedWork='3321.8' , expectedProgress='538' , marginWork='-2865.8' , marginWorkPct='-628' where id=90177
--
2019-11-06 14:50:26.172 ***** ERROR ***** [V6.5.7] Exception-[HY000] SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction
2019-11-06 14:50:26.172 ***** ERROR ***** [V6.5.7] For query : update planningelement set realWork='773.1' , leftWork='185.55' where id=90950
--
2019-11-06 14:51:12.902 ***** ERROR ***** [V6.5.7] Exception-[HY000] SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction
2019-11-06 14:51:12.902 ***** ERROR ***** [V6.5.7] For query : update planningelement set realWork='234648.02342' , leftWork='16348.93' where id=3
--
2019-11-06 14:51:19.051 ***** ERROR ***** [V6.5.7] Exception-[HY000] SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction
2019-11-06 14:51:19.053 ***** ERROR ***** [V6.5.7] For query : update projecthistory set realWork='773.1' , leftWork='185.55' where id=236183
--
I also regularly have some deadlocks logged in Mysql, on planningelement or kpihistory tables.
I don't expect a bugfix of course on this old version, but has anyone else encountered this type of error ? Any ideas for getting rid of these ? (I have tried restarting the server, but the errors re-appear).
Thanks!
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