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https://issues.apache.org/jira/browse/HBASE-21027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16573753#comment-16573753
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Sean Busbey commented on HBASE-21027:
-------------------------------------
{code}
68 // No synchronization here because weakly consistent view should be
good enough
69 return registeredDeserializers.entrySet().stream()
70 .collect(Collectors.toMap(Map.Entry::getKey, v ->
v.getClass().getName()));
{code}
weakly consistent is good enough because we only iterate once and we don't make
any changes to what a given key points at after inserting it? is that right?
> Inconsistent synchronization in CacheableDeserializerIdManager
> ---------------------------------------------------------------
>
> Key: HBASE-21027
> URL: https://issues.apache.org/jira/browse/HBASE-21027
> Project: HBase
> Issue Type: Task
> Affects Versions: 3.0.0
> Reporter: Mike Drob
> Assignee: Mike Drob
> Priority: Major
> Fix For: 3.0.0
>
> Attachments: HBASE-21027.master.001.patch
>
>
> There is some inconsistent synchronization going on in CDIM, we should switch
> it to using ConcurrentHashMap and simplify our code.
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