GitHub user qingwen220 opened a pull request:

    EAGLE-545: hdfs/bhase/yarn topology health check
    The app aims to monitor those services with a master-slave structured 
topology and provides metrics at the HOST level. Specifically, this app will 
support the following services healthy check
    * HDFS: namenode, datanode, journalnode
    * HBASE: hmaster, regionservers
    * YARN: resourcemanager, nodemanagers, historyserver

You can merge this pull request into a Git repository by running:

    $ git pull topology

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #449
commit 944f2e9f85fea6a619292f1fadf217d521cd18d4
Author: Zhao, Qingwen <>
Date:   2016-09-04T14:49:32Z

    add topology check app

commit f159a86fba50351e82d59f1a959154a9607fc84d
Author: Qingwen Zhao <>
Date:   2016-09-05T03:13:51Z

    update config

commit 4a3d930655a38a8cd9938160c9c9cb53611724c3
Author: Qingwen Zhao <>
Date:   2016-09-05T03:13:51Z

    update config

commit dec82717e93656f705b3e31399cac1abf0782f28
Author: Qingwen Zhao <>
Date:   2016-09-12T08:23:56Z

    Merge branches 'topology' and 'topology' of into topology

commit 56ebae70fb3616b342d730487175d18c1565aa49
Author: Qingwen Zhao <>
Date:   2016-09-12T08:33:00Z

    Merge branch 'master' of into topology

commit 5a429450d514b319d35828ee8a677af7cff59b7d
Author: Qingwen Zhao <>
Date:   2016-09-14T02:26:33Z


commit 5cab972f08d8acbdc4ec588e4499c20c64e6184b
Author: Qingwen Zhao <>
Date:   2016-09-18T13:03:26Z

    update hdfs parser

commit 1fc5b5e91c26ef63dfec38514037f4e70e2f4b84
Author: Qingwen Zhao <>
Date:   2016-09-19T11:03:24Z

    add mr topology parser

commit a22e4225961ab8f23e72d31c2adda827293eda6c
Author: Zhao, Qingwen <>
Date:   2016-09-19T15:31:10Z

    add hbase topology parse

commit 4dfabfb566b26128e1ec527fc8bbf6e3ebb9be8c
Author: Qingwen Zhao <>
Date:   2016-09-20T09:59:08Z

    update add topology persist bolt

commit 8210949ef3f2cc64ba257fae1616f5bd00045002
Author: Zhao, Qingwen <>
Date:   2016-09-20T16:08:47Z

    disable unit tests

commit b5543a5ff79d8a222f7c444aba4fffb57e6c8cfb
Author: Zhao, Qingwen <>
Date:   2016-09-20T17:02:17Z

    Fix a bug in topologyCheckSpout

commit 51c4d987ea7d2354b0e95a5ef1d115ee237c6b90
Author: Zhao, Qingwen <>
Date:   2016-09-21T02:49:40Z

    add exception handling

commit bbb41ff25541f6fec74db13ee853c43542ae5ece
Author: Zhao, Qingwen <>
Date:   2016-09-21T11:11:36Z

    Fix bugs in topology check

commit 8af527aac164033867f408e9b53a99794486151f
Author: Zhao, Qingwen <>
Date:   2016-09-22T06:31:26Z

    add history server monitoring


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