Grokbase Groups HBase user June 2016
FAQ
in hbase 0.98.10, class HRegion, line 1277 to 1286:
there are two methods: "getStoreOpenAndCloseThread" and "getStoreFileOpenAndCloseThreadPool", getStoreOpenAndCloseThread is to get the thread pool size for open/close Stores, and getStoreFileOpenAndCloseThreadPool is used to get pool size for open/close storeFiles, but they use the same conf: "HSTORE_OPEN_AND_CLOSE_THREADS_MAX".


there shoud be no relation with store number and storeFile number, so we should use different conf for two methods

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  • Heng Chen at Jun 3, 2016 at 6:33 am
    They have different default values, and according to contact of
    HSTORE_OPEN_AND_CLOSE_THREADS_MAX, i should be OK. It just represents the
    max limit threads in pool.

    /**
      * The default number for the max number of threads used for opening and
      * closing stores or store files in parallel
      */
    public static final int DEFAULT_HSTORE_OPEN_AND_CLOSE_THREADS_MAX = 1;


    2016-06-03 14:15 GMT+08:00 WangYQ <wangyongqiang0617@163.com>:
    in hbase 0.98.10, class HRegion, line 1277 to 1286:
    there are two methods: "getStoreOpenAndCloseThread" and
    "getStoreFileOpenAndCloseThreadPool", getStoreOpenAndCloseThread is to get
    the thread pool size for open/close Stores, and
    getStoreFileOpenAndCloseThreadPool is used to get pool size for open/close
    storeFiles, but they use the same conf: "HSTORE_OPEN_AND_CLOSE_THREADS_MAX".


    there shoud be no relation with store number and storeFile number, so we
    should use different conf for two methods

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categorieshbase, hadoop
postedJun 3, '16 at 6:15a
activeJun 3, '16 at 6:33a
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websitehbase.apache.org

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Heng Chen: 1 post WangYQ: 1 post

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