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Posted to dev@phoenix.apache.org by "Jepson (JIRA)" <ji...@apache.org> on 2017/10/25 10:24:00 UTC

[jira] [Commented] (PHOENIX-4319) Zookeeper connection should be closed immediately

    [ https://issues.apache.org/jira/browse/PHOENIX-4319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16218367#comment-16218367 ] 

Jepson commented on PHOENIX-4319:
---------------------------------

[https://issues.apache.org/jira/browse/PHOENIX-4247]
[https://issues.apache.org/jira/browse/PHOENIX-4041]
[https://issues.apache.org/jira/browse/PHOENIX-3563]


> Zookeeper connection should be closed immediately
> -------------------------------------------------
>
>                 Key: PHOENIX-4319
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4319
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.10.0
>         Environment: phoenix4.10 hbase1.2.0
>            Reporter: Jepson
>              Labels: patch
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> *Code:*
> {code:java}
>     val zkUrl = "192.168.100.40,192.168.100.41,192.168.100.42:2181:/hbase"
>     val configuration = new Configuration()
>     configuration.set("hbase.zookeeper.quorum",zkUrl)
>     val spark = SparkSession
>       .builder()
>       .appName("SparkPhoenixTest1")
>       .master("local[2]")
>       .getOrCreate()
>       for( a <- 1 to 100){
>       val wms_doDF = spark.sqlContext.phoenixTableAsDataFrame(
>         "DW.wms_do",
>         Array("WAREHOUSE_NO", "DO_NO"),
>         predicate = Some(
>           """
>             |MOD_TIME >= TO_DATE('begin_day', 'yyyy-MM-dd')
>             |and MOD_TIME < TO_DATE('end_day', 'yyyy-MM-dd')
>           """.stripMargin.replaceAll("begin_day", "2017-10-01").replaceAll("end_day", "2017-10-25")),
>         conf = configuration
>       )
>       wms_doDF.show(100)
>     }
> {code}
> *Description:*
> The connection to zookeeper is not getting closed,which causes the maximum number of client connections to be reached from a host( we have maxClientCnxns as 500 in zookeeper config).
> *Zookeeper connections:*
> [https://github.com/Hackeruncle/Images/blob/master/zookeeper%20connections.png]
> *Reference:*
> [https://community.hortonworks.com/questions/116832/hbase-zookeeper-connections-not-getting-closed.html]



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