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Re: When split a region, how to get row keys efficiently instead of using midkey - HBase - [mail # dev]
...Hi,From the online docs:When performing a table scan where only the row keys are needed (no families, qualifiers, values or timestamps), add a FilterList with a MUST_PASS_ALLoperator to the ...
   Author: Adrian Muraru, 2016-01-31, 08:42
Re: [VOTE] The 4th HBase 0.98.12 release candidate (RC3) is available, vote closing 4/17/2015 - HBase - [mail # dev]
...+1 (non-binding)* built internally from git tag: 0.98.12RC3* loaded data in dev cluster, read/write OK* custom co-processors work finethanks-adrianOn 4/15/15, 20:04, "Andrew Purtell"  w...
   Author: Adrian Muraru, 2015-04-15, 20:34
[HBASE-12971] Replication stuck due to large default value for replication.source.maxretriesmultiplier - HBase - [issue]
...We are setting in hbase-site the default value of 300 for replication.source.maxretriesmultiplier introduced in HBASE-11964.While this value works fine to recover for transient errors with r...
http://issues.apache.org/jira/browse/HBASE-12971    Author: Adrian Muraru, 2015-02-15, 03:32
[HBASE-12882] Log level for org.apache.hadoop.hbase package should be configurable - HBase - [issue]
...conf/log4j.properties hardcodes log level for the top hbase package to DEBUG: log4j.logger.org.apache.hadoop.hbase=DEBUGand there is no easy way to override it without modifying this file.It...
http://issues.apache.org/jira/browse/HBASE-12882    Author: Adrian Muraru, 2015-01-20, 00:08
[HBASE-7205] Coprocessor classloader is replicated for all regions in the HRegionServer - HBase - [issue]
...HBASE-6308 introduced a new custom CoprocessorClassLoader to load the coprocessor classes and a new instance of this CL is created for each single HRegion opened. This leads to OOME-PermGen ...
http://issues.apache.org/jira/browse/HBASE-7205    Author: Adrian Muraru, 2015-01-14, 18:58
[HBASE-12386] Replication gets stuck following a transient zookeeper error to remote peer cluster - HBase - [issue]
...Following a transient ZK error replication gets stuck and remote peers are never updated.Source region servers are reporting continuously the following error in logs:"No replication sinks ar...
http://issues.apache.org/jira/browse/HBASE-12386    Author: Adrian Muraru, 2014-11-22, 17:00
[HBASE-11052] Sending random data crashes thrift service - HBase - [issue]
...Upstream thrift library has a know issue (THRIFT-601) causing the thrift server to crash with an Out-of-Memory Error when bogus requests are sent.This reproduces when a very large request si...
http://issues.apache.org/jira/browse/HBASE-11052    Author: Adrian Muraru, 2014-11-08, 12:18
[HBASE-11552] Read/Write requests count metric value is too short - HBase - [issue]
...I am using readRequestsCount and writeRequestsCount counters to plot HBase activity in opentsdb and noticed that they are exported as int value although the underlying counter backed by a lo...
http://issues.apache.org/jira/browse/HBASE-11552    Author: Adrian Muraru, 2014-08-09, 05:40
[HBASE-7309] Metrics refresh-task is not canceled when regions are closed, leaking HRegion objects - HBase - [issue]
...While investigating HBASE-7205 by repeatedly enabling and disabling one table having 100 regions I noticed that closed HRegion objects are kept forever in memory. The memory analyzer tool in...
http://issues.apache.org/jira/browse/HBASE-7309    Author: Adrian Muraru, 2012-12-10, 00:15
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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