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Posted to dev@phoenix.apache.org by "Sergey Soldatov (JIRA)" <ji...@apache.org> on 2017/09/22 06:45:01 UTC
[jira] [Created] (PHOENIX-4225) Using Google cache may lead to lock
up on RS side.
Sergey Soldatov created PHOENIX-4225:
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Summary: Using Google cache may lead to lock up on RS side.
Key: PHOENIX-4225
URL: https://issues.apache.org/jira/browse/PHOENIX-4225
Project: Phoenix
Issue Type: Bug
Reporter: Sergey Soldatov
Assignee: Sergey Soldatov
Fix For: 4.12.0
On the server side we are using google cache with life time bounds. This is integrated with GlobalMemoryManager which is used for almost all tasks that requires memory allocation. The problem is that when the cache member get removed, it doesn't send remove notification until next write/get operation happen. But in some cases once the large cache was removed (but memory manager doesn't know that since it relies on the notification), we try to resend it and memory manager get stuck waiting for free space, blocking all other operations with the memory manager.
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