Yutong Xiao created HBASE-26629:
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Summary: Add expiration for long time vacant scanners
Key: HBASE-26629
URL: https://issues.apache.org/jira/browse/HBASE-26629
Project: HBase
Issue Type: Improvement
Reporter: Yutong Xiao
Assignee: Yutong Xiao
In thrift1 implementation, the ThriftHBaseSerivceHandler holds a Cache with an
expire time after access. This will make the long time vacant scanners be
collected by gc. However, in thrift2 we do not have this feature and only use a
map to store scanners and we need the client close the scanner manually. If
not, the expired scanners will live in memory forever. In this case, I applied
the cache expiration to thrift2 service.
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