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HBase >> mail # user >> hbase time skew


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Yuling_C@... 2013-03-15, 22:49
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Ted Yu 2013-03-15, 22:53
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Yuling_C@... 2013-03-15, 23:26
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Re: hbase time skew
Please upgrade to 0.94.5, if possible.

There have been a lot of bug fixes and performance improvements since
0.94.1.

On Fri, Mar 15, 2013 at 4:26 PM, <[EMAIL PROTECTED]> wrote:

> Yes, I'm using 0.94.1.
>
> -----Original Message-----
> From: Ted Yu [mailto:[EMAIL PROTECTED]]
> Sent: Friday, March 15, 2013 3:53 PM
> To: [EMAIL PROTECTED]
> Subject: Re: hbase time skew
>
> Are you using 0.94.x ?
>
> If so, see the following:
>
>     maxSkew = c.getLong("hbase.master.maxclockskew", 30000);
>     warningSkew = c.getLong("hbase.master.warningclockskew", 10000);
> ./src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
>
> Cheers
>
> On Fri, Mar 15, 2013 at 3:49 PM, <[EMAIL PROTECTED]> wrote:
>
> > Hi,
> >
> > We recently encountered the issue that HBase tables got into a state
> > that was not disabled nor enabled. We found that the root cause was
> > the linux clock skewed more than 5 hours. I googled and understood
> > that hbase can only  handle about a couple of seconds time skew. We
> > were wondering if there's any configuration in HBase that we can do so
> > as to increase the number of seconds that hbase could handle?
> >
> > Thanks very much,
> >
> > YuLing
> >
>
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Yuling_C@... 2013-03-15, 23:50
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Ted Yu 2013-03-16, 00:07
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Ted Yu 2013-03-16, 00:12
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Yuling_C@... 2013-03-16, 00:24
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Ted Yu 2013-03-16, 00:28
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Michel Segel 2013-03-16, 01:56
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Kevin Odell 2013-03-16, 12:48
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Yuling_C@... 2013-03-18, 18:39
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Michel Segel 2013-03-18, 21:29
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Yuling_C@... 2013-03-18, 22:06
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