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From "Key Hutu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-19848) Zookeeper thread leaks in hbase-spark bulkLoad method
Date Tue, 23 Jan 2018 13:11:00 GMT
Key Hutu created HBASE-19848:

             Summary: Zookeeper thread leaks in hbase-spark bulkLoad method
                 Key: HBASE-19848
                 URL: https://issues.apache.org/jira/browse/HBASE-19848
             Project: HBase
          Issue Type: Bug
          Components: spark, Zookeeper
    Affects Versions: 1.2.0
         Environment: hbase-spark-1.2.0-cdh5.12.1 version

spark 1.6
            Reporter: Key Hutu
             Fix For: 1.2.0

In hbase-spark project, HBaseContext provides bulkload methond for loading spark rdd data
to hbase easily.But when i using it frequently, the program will throw "cannot create native
thread" exception.

using pstack command in spark driver process , the thread num is increasing 

using jstack, named "main-SendThread" and "main-EventThread"  thread so many

It seems like that , connection created before bulkload ,but close method uninvoked at last

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