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https://issues.apache.org/jira/browse/IGNITE-10228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16686396#comment-16686396
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Pavel Voronkin commented on IGNITE-10228:
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https://reviews.ignite.apache.org/ignite/review/IGNT-CR-963
> Start multiple caches in parallel may lead to the fact that some of the
> caches won't be registered.
> ---------------------------------------------------------------------------------------------------
>
> Key: IGNITE-10228
> URL: https://issues.apache.org/jira/browse/IGNITE-10228
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 2.6
> Reporter: Vyacheslav Koptilin
> Assignee: Pavel Voronkin
> Priority: Major
> Fix For: 2.8
>
> Attachments: CacheStartingParallelTest.java
>
>
> It looks like the root cause of the issue is that
> {{CacheGroupContext.addCacheContext()}} (which is called in parallel) does
> not use a lock/semaphore in order to synchronize {{caches}} updates.
>
> {code:java}
> private void addCacheContext(GridCacheContext cctx) {
> ArrayList<GridCacheContext> caches = new ArrayList<>(this.caches);
> boolean add = caches.add(cctx);
> ...
> this.caches = caches;
> }
> {code}
>
> The possible workaround is to disable parallel start of caches by setting the
> {{IGNITE_ALLOW_START_CACHES_IN_PARALLEL}} property to {{false}}.
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