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Hive >> mail # user >> What does 'TempStatsStore' do ?


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Re: What does 'TempStatsStore' do ?
TempStatsStore is a derby database for stats gathering (intermediate stats). You can turn off stats gathering by set hive.stats.autogather=false.

On May 10, 2011, at 1:23 PM, Christopher, Pat wrote:

I don’t know what TempStatsStore is, but derby.log is an artifact of using the default metastore db, derby.  I was unable to figure out a way to get derby.log to not be created or to be created in a particular directory.  I also never saw anything useful in that file.  I delete it whenever I see it.

What’s in TempStatsStore?

Pat

From: wd [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 10, 2011 3:07 AM
To: [EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>
Subject: What does 'TempStatsStore' do ?

hi,

After upgrade to hive 0.7, I found there will a file named 'derby.log' and directory named 'TempStatsStore'  be created every time I run the hive job . What does these files do? Is there a way to prevent them created ?

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