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ID Category Severity Reproducibility Date Submitted Last Update
0000020 [Resin] minor always 03-07-05 00:00 11-30-05 14:43
Reporter user35 View Status public  
Assigned To
Priority high Resolution unable to reproduce Platform
Status closed   OS
Projection none   OS Version
ETA none Fixed in Version 3.0.13 Product Version
  Product Build
Summary 0000020: Sessions don't get destroyed in srun cluster
Description RSN-11
We are using Resin Professional 3.0.12 with an srun cluster setup. Things work normal for some time, then sessions don't get destroyed any more. Sessions accumulate until the server crashes due to overload. With full logging enabled one can see that the cleanup thread which in normal operation cleans the timeouted sessions every second just diappears at some point in time, hence no more sessions get destroyed. Nothing else in the logs.
Steps To Reproduce
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- Notes
03-07-05 00:00

According to the configuration, there is no persistent store.

So the fact that the configuration is clustered is irrelevant.

Therefore, the maximum number of sessions is the 4096 in the configuration. If that value causes an overload, it would need to be reduced. (Which would indicate that too much information is being put in the session.)
03-07-05 00:00

We followed your suggestion to reduce session max (The three in resin.conf defined webapps with new session max values of 2048/200/20), but still the problem occurs.

Some more details:
* some of the nodes work for weeks before the problems occurs ("cleanup" Thread vanishes / does nothing any more)
* on some nodes the problem occurs after some hours
* this happens in random order on all nodes, not always on the same node
* all nodes do the same
03-07-05 00:00

Can't reproduce this issue.

- Issue History
Date Modified Username Field Change
03-07-05 00:00 user35 New Issue
11-30-05 00:00 administrator Fixed in Version  => 3.0.13
11-30-05 14:43 ferg Status resolved => closed

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