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https://issues.apache.org/jira/browse/IGNITE-20424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17774871#comment-17774871
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Ignite TC Bot commented on IGNITE-20424:
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{panel:title=Branch: [pull/10980/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/10980/head] Base: [master] : New Tests
(1)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Basic 1{color} [[tests
1|https://ci2.ignite.apache.org/viewLog.html?buildId=7559332]]
* {color:#013220}IgniteBasicTestSuite:
ClientSessionOutboundQueueLimitTest.testClientSessionOutboundQueueLimit -
PASSED{color}
{panel}
[TeamCity *--> Run :: All*
Results|https://ci2.ignite.apache.org/viewLog.html?buildId=7559440&buildTypeId=IgniteTests24Java8_RunAll]
> Slow thin client connection can lead to consuming of huge amount of heap
> -------------------------------------------------------------------------
>
> Key: IGNITE-20424
> URL: https://issues.apache.org/jira/browse/IGNITE-20424
> Project: Ignite
> Issue Type: Task
> Reporter: Mikhail Petrov
> Assignee: Mikhail Petrov
> Priority: Major
> Labels: ise
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> All messages designated for the thin client are accumulated in the selector
> queue GridSelectorNioSessionImpl#queue before they are sent. Note that
> GridSelectorNioSessionImpl#queue for the Ignite Thin Client currently is
> unbound. If the thin client connection is slow and a huge number of heavy
> messages are about to send to the thin client,
> GridSelectorNioSessionImpl#queue growing size can lead to OOM.
> See
> 1. https://issues.apache.org/jira/browse/IGNITE-20327
> 2. https://github.com/apache/ignite/issues/10559
> We need to investigate mechanisms to limit the thin client message queue size.
> Currently, two mechanisms related to the described problem have already been
> implemented:
> 1. GridNioServer.Builder#messageQueueSizeListener is used to limit the
> message queue size for Ignite Thick clients - if the message queue size limit
> is exceeded, the client node will be forced to leave the cluster.
> 2. GridNioServer.Builder#sendQueueLimit is used to block a thread that sends
> a message if the message queue size limit is exceeded. Currently is used with
> Thick Clients and Ignite REST clients.
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