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Re: the scan will be executed parallel if not use coprocessor? - HBase - [mail # user]
...Yes it may be good to visit HBASE-1935 ..  Whether or not CP Observers (pre/post hooks) are used or not, the scanning is sequential from HBase client side. Phoenix having their own clie...
   Author: Anoop John, 2013-07-16, 03:39
[expand - 2 more] - Re: Region server going down when deleting a table from HBase - HBase - [mail # user]
...Ya as Ted said, if this warn is not there, need to see what happened to that file (just created)  -Anoop-  On Thu, Jul 11, 2013 at 8:07 PM, Anoop John  wrote:  ...
   Author: Anoop John, 2013-07-11, 14:39
Re: can coprocessor be used to do distinct operation? - HBase - [mail # user]
...Can u be little more specific?   CPs works per region basis. So it can be utalized for distinct ops for one region..  Overall at table level if u want to do, then some work at clie...
   Author: Anoop John, 2013-07-11, 08:55
Re: Bulk loading HFiles via LoadIncrementalHFiles fails at a region that is being compacted, a bug? - HBase - [mail # user]
...Hello Stan,                   Your bulk load trying to load data to multiple column families?  -Anoop-  On Wed, Jul 10, 2013 at 11:13 A...
   Author: Anoop John, 2013-07-10, 06:15
Re: removing lock ids from RegionObserver - HBase - [mail # dev]
...+1 from me for changing the CP signature by removing lockids..  CP will be able to acquire lock on rows? (lockRow will be still public?)  -Anoop-  On Sun, Jul 7, 2013 at 3:34 ...
   Author: Anoop John, 2013-07-07, 05:04
[expand - 2 more] - Re: question about clienttrace logs in hdfs and shortcircuit read - HBase - [mail # user]
...Thanks Viral.. Confusion came to me as the heading of the mails say abt SCR metric and finally speaks abt hbase handled checksum metric which are 2 features..  Agree that hbase checksum...
   Author: Anoop John, 2013-07-05, 08:07
[expand - 1 more] - Re: Deleting range of rows from Hbase. - HBase - [mail # user]
...BulkDeleteEndpoint  is a coprocessor endpoint impl.  For the usage pls refer TestBulkDeleteProtocol. You will be able to call the API at client side and the actual execution will h...
   Author: Anoop John, 2013-07-04, 11:12
Re: Help in designing row key - HBase - [mail # user]
...When you make the RK and convert the int parts into byte[] ( Use org.apache.hadoop.hbase.util.Bytes#toBytes(*int) *)  it will give 4 bytes for every byte..  Be careful about the or...
   Author: Anoop John, 2013-07-03, 09:58
Re: Problems while exporting from Hbase to CSV file - HBase - [mail # user]
...table in one go which results in OutOfMemory error in client process  Not getting what you mean by this. Client calls next() on the Scanner and gets the rows. The setCaching() and setBa...
   Author: Anoop John, 2013-06-28, 12:23
[expand - 2 more] - Re: 答复: flushing + compactions after config change - HBase - [mail # user]
...Viral,      Basically when you increase the memstore flush size ( well ur aim there is to reduce flushes and make data sit in memory for longer time) you need to carefully con...
   Author: Anoop John, 2013-06-28, 12:08
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB