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https://issues.apache.org/jira/browse/QPID-8294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16812197#comment-16812197
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ASF GitHub Bot commented on QPID-8294:
--------------------------------------
alex-rufous commented on pull request #23: QPID-8294: [Broker-J][Oracle Message
Store] Batch delete fails for more than 1000 messages
URL: https://github.com/apache/qpid-broker-j/pull/23#discussion_r272921369
##########
File path:
broker-plugins/jdbc-store/src/main/java/org/apache/qpid/server/store/jdbc/AbstractJDBCMessageStore.java
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@@ -82,6 +82,8 @@
private static final String XID_TABLE_NAME_SUFFIX = "QPID_XIDS";
private static final String XID_ACTIONS_TABLE_NAME_SUFFIX =
"QPID_XID_ACTIONS";
+ private static final int MAX_DELETE_BATCH_SIZE = 1000;
Review comment:
I agree that "qpid.jdbcstore.inClauseMaxSize" is much better name than
"qpid.jdbcStoreMaxDeleteBatchSize". The variable name can be changed as well to
inClauseMaxSize.
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> [Broker-J][Oracle Message Store] Batch delete fails for more than 1000
> messages
> -------------------------------------------------------------------------------
>
> Key: QPID-8294
> URL: https://issues.apache.org/jira/browse/QPID-8294
> Project: Qpid
> Issue Type: Bug
> Components: Broker-J
> Affects Versions: qpid-java-broker-7.1.0
> Reporter: Olivier VERMEULEN
> Priority: Critical
>
> When under high load, the Broker-J can end up having to delete more than 1000
> messages in a single batch. But some databases (and Oracle in particular) put
> a limit to the number of elements you can have in the IN clause. So we end up
> with the following exception: ORA-01795: maximum number of expressions in a
> list is 1000
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