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[HBASE-12848] Utilize Flash storage for WAL - HBase - [issue]
...One way to improve data ingestion rate is to make use of Flash storage.HDFS is doing the heavy lifting - see HDFS-7228.We assume an environment where:1. Some servers have a mix of flash, e.g...
http://issues.apache.org/jira/browse/HBASE-12848    Author: Ted Yu, 2015-01-23, 01:55
[expand - 2 more] - Re: Does 'online region merge' make regions unavailable for some time? - HBase - [mail # user]
...I did an experiment on a lightly populated table by merging second andthird regions which were on the same region server.hbase(main):001:0> merge_region '41e99dcbb6e92a54925a4abc825c7dce'...
   Author: Ted Yu, 2015-01-23, 01:04
Re: Hbase Error When running Map reduce - HBase - [mail # user]
...Nishanth :Please also tell us which hbase release you're using.See if there was log similar to the following in region server logs:2015-01-21 20:07:12,780 WARN  [JvmPauseMonitor] util.J...
   Author: Ted Yu, 2015-01-22, 22:27
[expand - 1 more] - Re: zookeeper connection loss on table copy - HBase - [mail # user]
...Here is the help message for peer.adr parameter:peer.adr     Address of the peer cluster given in the formathbase.zookeeer.quorum:hbase.zookeeper.client.port:zookeeper.znode.parent...
   Author: Ted Yu, 2015-01-22, 17:50
[expand - 2 more] - Re: Region Server Info Port - HBase - [mail # user]
...getRegionServerInfoPort() calls regionServerTracker.getRegionServerInfo(sn)but RegionServerTracker is in hbase-server module :-(On Wed, Jan 21, 2015 at 2:48 PM, Talat Uyarer  wrote:&nbs...
   Author: Ted Yu, 2015-01-21, 22:59
[HBASE-12876] TestScannerWithBulkload should pass Table with unmanaged connection to LoadIncrementalHFiles#doBulkLoad() - HBase - [issue]
...In branch-1, the following test failure can be reproduced:testBulkLoadNativeHFile(org.apache.hadoop.hbase.regionserver.TestScannerWithBulkload)  Time elapsed: 0.944 sec  <<&l...
http://issues.apache.org/jira/browse/HBASE-12876    Author: Ted Yu, 2015-01-21, 20:53
[expand - 1 more] - Re: Given a Put object, is there any way to change the timestamp of it? - HBase - [mail # user]
...Put is marked @InterfaceStability.Stable though Mutation is marked with @InterfaceStability.EvolvingI doubt setTimeStamp() would be added.CheersOn Wed, Jan 21, 2015 at 4:18 AM, Liu, Ming (HP...
   Author: Ted Yu, 2015-01-21, 15:29
[expand - 1 more] - Re: IllegalArgumentException: Connection is null or closed when calling HConnection.getTable() - HBase - [mail # user]
...Here is related code from HTable ctor:    if (connection == null || connection.isClosed()) {      throw new IllegalArgumentException("Connection is null or...
   Author: Ted Yu, 2015-01-19, 22:23
[expand - 2 more] - Re: HBase Restful Start Error ->Port in use: 0.0.0.0:8085 - HBase - [mail # user]
...Have you found out how the process below was started ?If the discussion involves HDP, I suggest continuing on related mailinglist.CheersOn Mon, Jan 19, 2015 at 2:18 AM, anil gupta  wrot...
   Author: Ted Yu, 2015-01-19, 15:32
[expand - 5 more] - Re: Get addColumn + ColumnRangeFilter - HBase - [mail # user]
...If the number of splits is greater than 1, you can use FilterList withtwo ColumnRangeFilterswhen needed.CheersOn Sun, Jan 18, 2015 at 4:37 PM, Taeyun Kim wrote: ...
   Author: Ted Yu, 2015-01-19, 00:47
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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