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Artur Școlnic's activity

From 11/24/2025 to 12/23/2025

11:00 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Another great source of leak is @BufferManager.openBuffers@.
Considering the following scenario:
A persistent proce... Artur Școlnic

02:16 PM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: For unbound:... Artur Școlnic
02:07 PM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: From the documentation:... Artur Școlnic
01:25 PM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Constantin Asofiei wrote:
> On the heap you provided, my concern are RecordBuffer instances kept in BufferManager a... Artur Școlnic
01:12 PM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Greg Shah wrote:
> Are we leaving the context in place until the next time that session is used? That would be a pr... Artur Școlnic
07:37 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: I found another leak in @TxWrapper$WorkArea@, @deregisterDynamicBuffer@... Artur Școlnic
03:30 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Evidence points to @SecurityContext@ @tokenMap@ hogging the memory. The number of objects in the map is not changing,... Artur Școlnic

09:34 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: The leak is not present with classic appserver, after 4k requests in batches of 20, the used heap is < 1Gb. Artur Școlnic
09:06 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Artur Școlnic wrote:
> I think the problem with the memory leak is with @Map<String, MultiSessionClientConnection> c... Artur Școlnic
08:51 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: It is definitely an issue, but the memory retention is not significant, solving it did not solve the greater memory l... Artur Școlnic
07:54 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: I think the problem with the memory leak is with @Map<String, MultiSessionClientConnection> connections = new Concurr... Artur Școlnic
05:00 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: It's more of a potential issue, I don't have a recreate, but what will happen with trunk if a msa task executed a fun... Artur Școlnic
04:56 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: I set the time out for the msa task a bit low, at 5 seconds, we will need to increase it for high workload scenarios ... Artur Școlnic

08:52 AM Runtime Infrastructure Bug #10963 (Review): appserver resiliency and self healing: Artur Școlnic
08:52 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Artur Școlnic wrote:
> 3. Make jetty thread pool configurable in directory (if not already) and find a suitable maxi... Artur Școlnic

10:01 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: A jetty thread pool is only used in @GenericWebServer@ and is instantiated with a default constructor.
The default v... Artur Școlnic
08:37 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Artur Școlnic wrote:
> From the logged failures in jmeter, I think the issue is the jetty thread pool, it simply c... Artur Școlnic

09:02 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: The next steps for this task are:
1. Investigate the rapidly increasing memory usage noted in #10963-22. I uploaded ... Artur Școlnic
08:31 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Alexandru Lungu wrote:
> Is this a blocker for merging 10963a?
Yes, also some other testing we need to do.
Artur Școlnic
06:27 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Stress testing of the PASOE application:
* curl + visualVM:
1000 concurrent requests on a an infinite loop for 30... Artur Școlnic

09:19 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Artur Școlnic wrote:
> I will test harness and concurrent requests in PASOE and classic.
This testing passed.
Artur Școlnic
08:02 AM Runtime Infrastructure Bug #10963 (Internal Test): appserver resiliency and self healing: I will test harness and concurrent requests in PASOE and classic.
Is there something else we could test? Artur Școlnic
06:51 AM Runtime Infrastructure Bug #10963 (Review): appserver resiliency and self healing: In the current architecture, the LegacyServiceWorkers are accepting all the tasks in the order they arrive, either fr... Artur Școlnic

11:48 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Greg Shah wrote:
> Isn't this based on however the client code is written? I don't understand how we would merge th... Artur Școlnic
11:02 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: On another note, we are running the persistent procedure for each request, after the work with it is done, it is dele... Artur Școlnic

09:28 AM Base Language Bug #10004: NativeInvoker fails if an argument is of type integerConstant: Alexandru Lungu wrote:
> Artur, can you rerun the library_calls suite?
I recall having some issues running this s... Artur Școlnic
07:35 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Is there a task or wiki on our PASOE implementation? I would like to know what our constraints and detailed specifica... Artur Școlnic
02:48 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: Artur Școlnic wrote:
> One solution would be to not count the bound session when deciding if a new one is to be crea... Artur Școlnic

03:19 PM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: In order to expose the problem and simplify the debugging, I used just 1 thread for the appserver worker, 1 for the M... Artur Școlnic

08:36 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: As Constantin stated in #10941-35, @MsaCancellableCallable.reserveSession@ gets stuck on completing the future:
<pre... Artur Școlnic
08:26 AM Runtime Infrastructure Bug #10963 (WIP): appserver resiliency and self healing: Artur Școlnic

09:56 AM Runtime Infrastructure Bug #10963: appserver resiliency and self healing: With the recent fixes from #10941, the number of maximum concurrent requests FWD can handle is around 300 (with maxMs... Artur Școlnic

08:35 AM Database Support #10664: Develop a multi session test suite in harness: Tomasz Domin wrote:
> I fully agree, I was just wondering if I can help with tooling modification.
Since you brou... Artur Școlnic
08:26 AM Database Support #10664: Develop a multi session test suite in harness: We know there are failures, hence the skewed results, we simply need to work on the issues and bring the success rate... Artur Școlnic
05:19 AM Database Support #10664 (Review): Develop a multi session test suite in harness: I finished writing the locking tests, the results are:
OE: 1610/1610
FWD: 411/1610
There are two main reasons wh... Artur Școlnic

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