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Re: how can I extend or replace the read cache - HBase - [mail # user]
...Shixiaolong,                  You would like to contribute your work to open src? If so mind raising a jira and attaching a solution doc for all ...
   Author: Anoop John, 2013-06-10, 06:50
Re: observer coprocessor question regarding puts - HBase - [mail # user]
...You want to have an index per every CF+CQ right?  You want to maintain diff tables for diff columns?  Put is having getFamilyMap method Map CF vs List KVs.  From this List of ...
   Author: Anoop John, 2013-06-09, 04:47
[expand - 2 more] - Re: Questions about HBase - HBase - [mail # user]
...index cache could be a useful feature for many workflows. Would it be a good idea to have a JIRA for that?  This will be against the concept of multi level index block structure in HFil...
   Author: Anoop John, 2013-06-06, 05:38
Re: Handling regionserver crashes in production cluster - HBase - [mail # user]
...How many total RS in the cluster?  You mean u can not do any operation on other regions in the live clusters?  It should not happen..  Is it so happening that the client ops a...
   Author: Anoop John, 2013-06-06, 04:18
[expand - 1 more] - Re: Replication is on columnfamily level or table level? - HBase - [mail # user]
...There is no support like one CF can be replicated to one cluster while another to another cluster..  In fact you can not specify peers where some CF to be replicated. If the scope is gi...
   Author: Anoop John, 2013-06-05, 12:59
Re: Scan + Gets are disk bound - HBase - [mail # user]
...When you set time range on Scan, some files can get skipped based on the max min ts values in that file. Said this, when u do major compact and do scan based on time range, dont think u will...
   Author: Anoop John, 2013-06-05, 05:44
Re: RPC Replication Compression - HBase - [mail # user]
...Yes  will enjoy it as well (important since bandwidth between geographically distant data centers is scarce and more expensive)  But I can not see it is being utilized in replicati...
   Author: Anoop John, 2013-06-04, 09:34
Re: HConnectionManager$HConnectionImplementation.locateRegionInMeta - HBase - [mail # user]
...Can you have a look at issue HBASE-8476?  Seems related?  A fix is available in HBASE-8346's patch..  -Anoop-  On Thu, May 30, 2013 at 9:21 AM, Kireet  wrote:  ...
   Author: Anoop John, 2013-05-30, 04:16
[expand - 1 more] - Re: How does BlockCache find relevant Blocks? - HBase - [mail # user]
...Block cache maintain the blocks in memory with a key, value DS.   The value is the block and the key (BlockCacheKey) includes the HFile name and offset of the block in this file... &nbs...
   Author: Anoop John, 2013-05-29, 12:15
Re: What is in BlockCache? - HBase - [mail # user]
...merged form? store b1 and b2 separately..  Stores the blocks read from HFiles.  -Anoop-   On Mon, May 20, 2013 at 5:37 PM, yun peng  wrote:  ...
   Author: Anoop John, 2013-05-20, 12:48
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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