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https://issues.apache.org/jira/browse/IGNITE-11970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17343872#comment-17343872
]
Ignite TC Bot commented on IGNITE-11970:
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{panel:title=Branch: [pull/7934/head] Base: [master] : Possible Blockers
(2)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}JDBC Driver{color} [[tests 0 Exit Code
|https://ci.ignite.apache.org/viewLog.html?buildId=6005563]]
{color:#d04437}RDD{color} [[tests 0 Exit Code
|https://ci.ignite.apache.org/viewLog.html?buildId=6005565]]
{panel}
{panel:title=Branch: [pull/7934/head] Base: [master] : New Tests
(4)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Continuous Query 4{color} [[tests
4|https://ci.ignite.apache.org/viewLog.html?buildId=6005210]]
* {color:#013220}IgniteCacheQuerySelfTestSuite6:
ContinuousQueryBufferCleanupTest.testBufferCleanup[2 1 false Query [pageSize=1,
loc=false]] - PASSED{color}
* {color:#013220}IgniteCacheQuerySelfTestSuite6:
ContinuousQueryBufferCleanupTest.testBufferCleanup[2 0 true Query [pageSize=1,
loc=false]] - PASSED{color}
* {color:#013220}IgniteCacheQuerySelfTestSuite6:
ContinuousQueryBufferCleanupTest.testBufferCleanup[2 1 true Query [pageSize=1,
loc=false]] - PASSED{color}
* {color:#013220}IgniteCacheQuerySelfTestSuite6:
ContinuousQueryBufferCleanupTest.testBufferCleanup[1 0 true Query [pageSize=1,
loc=false]] - PASSED{color}
{panel}
[TeamCity *--> Run :: All*
Results|https://ci.ignite.apache.org/viewLog.html?buildId=6005246&buildTypeId=IgniteTests24Java8_RunAll]
> Excessive use of memory in continuous queries
> ---------------------------------------------
>
> Key: IGNITE-11970
> URL: https://issues.apache.org/jira/browse/IGNITE-11970
> Project: Ignite
> Issue Type: Bug
> Reporter: Igor Belyakov
> Assignee: Igor Belyakov
> Priority: Critical
> Time Spent: 50m
> Remaining Estimate: 0h
>
> When we prepare to send an entry into the continuous query's filter and
> listener, we store it in an instance of CacheContinuousQueryEventBuffer.Batch.
> The batch is an array of entries of size
> IGNITE_CONTINUOUS_QUERY_SERVER_BUFFER_SIZE (default is 1000) that stores the
> currently received entries (we need it for the case of concurrent updates to
> make sure that we preserve the order of update counters).
> The issue is that when we process a part of the array we keep the links to
> the processed entries until we exhaust the array (after when we finally clear
> it). Because of that we may store up to 999 garbage objects which can be a
> lot if the entries are big.
> Need to clear the entries right after we've processed them.
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