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https://issues.apache.org/jira/browse/FLINK-9642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576253#comment-16576253
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ASF GitHub Bot commented on FLINK-9642:
---------------------------------------
dawidwys commented on a change in pull request #6205: [FLINK-9642]Reduce the
count to deal with state during a CEP process
URL: https://github.com/apache/flink/pull/6205#discussion_r209235080
##########
File path:
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/operator/AbstractKeyedCEPPatternOperator.java
##########
@@ -373,10 +373,11 @@ private void updateNFA(NFAState nfaState) throws
IOException {
* @param nfaState Our NFAState object
* @param event The current event to be processed
* @param timestamp The timestamp of the event
+ * @param sharedBuffer The sharedBuffer of the process
*/
- private void processEvent(NFAState nfaState, IN event, long timestamp)
throws Exception {
+ private void processEvent(NFAState nfaState, IN event, long timestamp,
SharedBuffer<IN> sharedBuffer) throws Exception {
Review comment:
I see no reason for this change.
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> Reduce the count to deal with state during a CEP process
> ---------------------------------------------------------
>
> Key: FLINK-9642
> URL: https://issues.apache.org/jira/browse/FLINK-9642
> Project: Flink
> Issue Type: Improvement
> Components: CEP
> Affects Versions: 1.6.0
> Reporter: aitozi
> Assignee: aitozi
> Priority: Major
> Labels: pull-request-available
>
> With the rework of sharedBuffer Flink-9418, the lock & release operation is
> deal with rocksdb state which is different from the previous version which
> will read the state of sharedBuffer all to memory, i think we can add a cache
> or variable in sharedbuffer to cache the LockAble Object to mark the ref
> change in once process in NFA, this will reduce the count when the events
> point to the same NodeId.. And flush the result to MapState at the end of
> process.
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