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Hbase M7 Put Error with Map-Reduce

Question asked by rahul on Sep 23, 2014
I have map reduce job that puts the data into M7 tables. I prepare the HTable object in reducer's setup method and in cleanup method I flush changes and close the table connection.
Map-reduce jobs very frequently throws below Error:
`2014-09-24 04:54:50,3613 ERROR Client fs/client/fileclient/cc/client.cc:3859 Thread: 1019 rpc err Connection timed out(110) 35.1 to 10.22.46.136:5660, fid 6807.32.4768610, upd 1

ERROR Cidcache fs/client/fileclient/cc/cidcache.cc:706 Thread: 22435 ReportNodeFailure failed, error Read-only file system(30) for cid 7892, server: 10.22.46.94:5660CLDB: 10.22.46.100:7222
`

As far as table permission concerns, M7 tables are set to 777 permission.
Any suggestion what exactly causing this error?

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