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[HIVE-9103] Support backup task for join related optimization [Spark Branch] - Hive - [issue]
...In MR, backup task can be executed if the original task, which probably contains certain (join) optimization fails. This JIRA is to track this topic for Spark. We need to determine if we nee...
http://issues.apache.org/jira/browse/HIVE-9103    Author: Xuefu Zhang, 2015-01-24, 15:46
Re: how to determine the memory usage of select,join, in hive on spark? - Hive - [mail # user]
...Hi,Since you have only one worker, you should be able to use jmap to get adump of the worker process. In Hive, you can configure the memory usage forjoin.As to the slowness and hive GC you o...
   Author: Xuefu Zhang, 2015-01-24, 15:05
[expand - 2 more] - Re: Created branch 1.0 - Hive - [mail # dev]
...While it's true that a release isn't going to include everything fromtrunk, proposed 1.0 release is branched off 0.14, which was again branchedfrom trunk long time ago. If you compare the co...
   Author: Xuefu Zhang, 2015-01-23, 15:00
[HIVE-9139] Clean up GenSparkProcContext.clonedReduceSinks and related code [Spark Branch] - Hive - [issue]
...While reviewing HIVE-9041, I noticed this field seems not applicable for Spark. It was inherited from Tez. We should remove it and related code to reduce noise in the code if it's not needed...
http://issues.apache.org/jira/browse/HIVE-9139    Author: Xuefu Zhang, 2015-01-22, 05:45
[HIVE-9339] Optimize split grouping for CombineHiveInputFormat [Spark Branch] - Hive - [issue]
...It seems that split generation, especially in terms of grouping inputs, needs to be improved. For this, we may need cluster information. Because of this, we will first try to solve the probl...
http://issues.apache.org/jira/browse/HIVE-9339    Author: Xuefu Zhang, 2015-01-21, 02:04
[HIVE-9179] Add listeners on JobHandle so job status change can be notified to the client [Spark Branch] - Hive - [issue]
...Based on discussion in HIVE-8972, it seems nice to add listeners on a job handle such that state changes of a submitted a job can be notified instead of the current approach of client pollin...
http://issues.apache.org/jira/browse/HIVE-9179    Author: Xuefu Zhang, 2015-01-20, 19:22
[HIVE-9178] Create a separate API for remote Spark Context RPC other than job submission [Spark Branch] - Hive - [issue]
...Based on discussions in HIVE-8972, it seems making sense to create a separate API for RPCs, such as addJar and getExecutorCounter. These jobs are different from a query submission in that th...
http://issues.apache.org/jira/browse/HIVE-9178    Author: Xuefu Zhang, 2015-01-15, 14:21
Re: Set variable via query - Hive - [mail # user]
...select * from someothertable where dt IN (select max(dt) from sometable);On Tue, Jan 13, 2015 at 4:39 PM, Martin, Nick  wrote: ...
   Author: Xuefu Zhang, 2015-01-14, 02:49
[HIVE-7292] Hive on Spark - Hive - [issue]
...Spark as an open-source data analytics cluster computing framework has gained significant momentum recently. Many Hive users already have Spark installed as their computing backbone. To take...
http://issues.apache.org/jira/browse/HIVE-7292    Author: Xuefu Zhang, 2015-01-14, 00:33
Re: Hive create table line terminated by '\n' - Hive - [mail # user]
...Consider using dataformat other than TEXT such as sequence file.On Mon, Jan 12, 2015 at 10:54 PM, 王鹏飞  wrote: ...
   Author: Xuefu Zhang, 2015-01-13, 17:43
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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