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Re:: Region Servers crashing following: "File does not exist", "Too many open files" exceptions - HBase - [mail # user]
...It seems like you need to increase the limit on the number of xceivers on the hdfs config looking at your error messages.   On Sun 10 Feb, 2013 6:37 AM IST David Koch wrote:  ...
   Author: Dhaval Shah, 2013-02-10, 01:24
Re: Json+hbase - HBase - [mail # user]
...JSON object is nothing but a String representation.. You can call .toBytes() to get the byte representation and put that into HBase   Regards, Dhaval   ________________________________ ...
   Author: Dhaval Shah, 2013-02-04, 16:50
[expand - 1 more] - Re: Controlling TableMapReduceUtil table split points - HBase - [mail # user]
...Hi David.. We successfully use the "logical" schema approach and have not seen issues yet.. Ofcourse it all depends on the use case and saying it would work for you because it works for us w...
   Author: Dhaval Shah, 2013-01-22, 23:10
Re:: Hbase master failing to start after reaching 95% disk and expanding cluster - HBase - [mail # user]
...Seems like your zookeeper quorum is in a bad state (possibly because it ran out of disk in the past). Can you try stopping hbase, removing the zookeeper znode for hbase and then starting hba...
   Author: Dhaval Shah, 2012-12-29, 13:15
Re:: HMaster construction failing over SASL authentication issue. - HBase - [mail # user]
... Looking at your life, it seems like SASL is just.a warning/info message.. y our real issue is invalid zookeeper sessions.. Can you try stopping everyth ing, delete zookeeper data dir a...
   Author: Dhaval Shah, 2012-09-14, 11:30
[expand - 1 more] - Re: Enabling compression - HBase - [mail # user]
... Yes you need to add the snappy libraries to hbase path (i think the variabl e to set is called HBASE_LIBRARY_PATH)  On Wed 25 Jul, 2012 3:46 AM IST Mohit Anchlia wrote:  wrot...
   Author: Dhaval Shah, 2012-07-25, 01:40
Re: HBase shell - HBase - [mail # user]
...Mohit, HBase shell is a JRuby wrapper and as such has all functions availab le which are available using Java API.. So you can import the Bytes class a nd the do a Bytes.toString() similar t...
   Author: Dhaval Shah, 2012-07-21, 01:18
RE: Applying QualifierFilter to one column family only. - HBase - [mail # user]
... Alternately you can use a filter list and say first column family and quali fier filter or second column family..    On Fri 20 Jul, 2012 8:40 AM IST Anoop Sam John wrote: &nb...
   Author: Dhaval Shah, 2012-07-20, 09:27
Re: Improvement: Provide better feedback on Put to unknown CF - HBase - [mail # user]
...+1 a proper error message always helps IMHO    On Tue 10 Jul, 2012 5:58 PM IST Jean-Marc Spaggiari wrote:  lumn sier o tion.processBatchCallback(HConnectionManager.java:1591) ...
   Author: Dhaval Shah, 2012-07-10, 13:07
[expand - 1 more] - Re: HBASE -- YCSB ? - HBase - [mail # user]
...There is definitely a debug flag on hbase.. You can find out details on h ttp://hbase.apache.org/shell.html.. I am not sure how much details would it  log though.. I have never used it ...
   Author: Dhaval Shah, 2012-07-09, 22:03
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