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[expand - 1 more] - Re: impala query hangs frequently after upgrade from cdh4-1.4 to cdh5.1.2-1.4 - Impala - [mail # user]
...We may found the problem, looks like the hang is because of HDFS-7005.Thanks,BinglinOn Thursday, November 13, 2014 1:26:02 PM UTC+8, Binglin Chang wrote:To unsubscribe from this group and st...
   Author: Binglin Chang, 2014-11-13, 11:35
impala-shell utf-8 input weird problem - Impala - [mail # user]
...When using impala-shell for query containing Chinese character, some times the encoding is messed up, like below. However when I insert some spaces at the last part(marked in red) the query ...
   Author: Binglin Chang, 2014-11-07, 03:31
[YARN-2161] Fix build on macosx: YARN parts - YARN - [issue]
...When compiling on macosx with -Pnative, there are several warning and errors, fix this would help hadoop developers with macosx env....
http://issues.apache.org/jira/browse/YARN-2161    Author: Binglin Chang, 2014-10-21, 07:03
[MAPREDUCE-2841] Task level native optimization - MapReduce - [issue]
...I'm recently working on native optimization for MapTask based on JNI. The basic idea is that, add a NativeMapOutputCollector to handle k/v pairs emitted by mapper, therefore sort, spill, IFi...
http://issues.apache.org/jira/browse/MAPREDUCE-2841    Author: Binglin Chang, 2014-10-18, 05:09
[expand - 6 more] - Re: How to merge small parquet files? - Impala - [mail # user]
...Hi Ippokratis,Actually we are using cdh4-1.4 branch, so I rebase the commit manually, attach the rebased patch. Unfortunately the patch does not seem to work, I got a lot 100M parquet files ...
   Author: Binglin Chang, 2014-09-26, 05:34
[HDFS-6506] Newly moved block replica been invalidated and deleted in TestBalancer - HDFS - [issue]
...TestBalancerWithNodeGroup#testBalancerWithNodeGroup fails recentlyhttps://builds.apache.org/job/PreCommit-HDFS-Build/7045//testReport/from the error log, the reason seems to be that newly mo...
http://issues.apache.org/jira/browse/HDFS-6506    Author: Binglin Chang, 2014-09-05, 23:16
[MAPREDUCE-6058] native-task: KVTest and LargeKVTest should check mr job is sucessful - MapReduce - [issue]
...When running KVTest and LargeKVTest, if the job failed for some reason(lack libhadoop.so etc), both native and normal job failed, and both compare empty output directory, so the test passes ...
http://issues.apache.org/jira/browse/MAPREDUCE-6058    Author: Binglin Chang, 2014-09-05, 05:24
[HADOOP-10388] Pure native hadoop client - Hadoop - [issue]
...A pure native hadoop client has following use case/advantages:1.  writing Yarn applications using c++2.  direct access to HDFS, without extra proxy overhead, comparing to web/nfs i...
http://issues.apache.org/jira/browse/HADOOP-10388    Author: Binglin Chang, 2014-09-04, 15:33
[MAPREDUCE-6056] nativetask: move system test working dir to target dir and cleanup test config xml files - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-6056    Author: Binglin Chang, 2014-09-02, 09:31
[expand - 1 more] - Re: impala statestored crashed because network issue - Impala - [mail # user]
...Sorry, didn't enable core dump... it's more convenient if we can put stracktrace into exception::what()On Friday, August 29, 2014 6:01:32 AM UTC+8, Henry wrote:To unsubscribe from this group...
   Author: Binglin Chang, 2014-08-29, 02:27
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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