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HBase >> mail # user >> hbase-0.94.3 region cannot split , which results into regionserver offline?


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Bing Jiang 2012-12-25, 11:32
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yuzhihong@... 2012-12-25, 14:13
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ramkrishna vasudevan 2012-12-25, 14:40
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Re: hbase-0.94.3 region cannot split , which results into regionserver offline?
By looking at the code, we have:
"Not splittable if we find a reference store file present in the store"...

Not really sure to understand what that mean :(

2012/12/25, ramkrishna vasudevan <[EMAIL PROTECTED]>:
> Oh, this seems interesting.
> You have logs before this which says for which region the split started?
> BTW are you using any custom split policy.
>
> Regards
> Ram
>
> On Tue, Dec 25, 2012 at 7:43 PM, <[EMAIL PROTECTED]> wrote:
>
>> Can you provide more log around the time this happened ?
>>
>> Looks like the exception message should be enhanced with region name.
>>
>> Cheers
>>
>> On Dec 25, 2012, at 3:32 AM, Bing Jiang <[EMAIL PROTECTED]> wrote:
>>
>> > hi,all
>> > use hbase-0.94.3,  We have encounted an error that results into
>> > Regionserver offline.
>> >
>> > Stack:
>> >
>> > 2012-12-25 19:25:04,654 FATAL
>> > org.apache.hadoop.hbase.regionserver.HRegionServer: ABORTING region
>> server
>> > 10.1.1.34,60020,1356416242185: Uncaught exception in service thread
>> > regionserver60020.cacheFlusher
>> > java.lang.AssertionError: getSplitPoint() called on a region that can't
>> > split!
>> >        at
>> > org.apache.hadoop.hbase.regionserver.Store.getSplitPoint(Store.java:1984)
>> >        at
>> >
>> org.apache.hadoop.hbase.regionserver.RegionSplitPolicy.getSplitPoint(RegionSplitPolicy.java:79)
>> >        at
>> >
>> org.apache.hadoop.hbase.regionserver.HRegion.checkSplit(HRegion.java:5068)
>> >        at
>> >
>> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:415)
>> >        at
>> >
>> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:387)
>> >        at
>> >
>> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.run(MemStoreFlusher.java:250)
>> >        at java.lang.Thread.run(Thread.java:662)
>> > 2012-12-25 19:25:04,654 FATAL
>> > org.apache.hadoop.hbase.regionserver.HRegionServer: RegionServer abort:
>> > loaded coprocessors are: []
>> > ....
>> > Can anyone meet these errors?
>> >
>> >
>> > Cheers!
>> > --
>> > Bing Jiang
>> > weibo: http://weibo.com/jiangbinglover
>> > BLOG: http://blog.sina.com.cn/jiangbinglover
>> > National Research Center for Intelligent Computing Systems
>> > Institute of Computing technology
>> > Graduate University of Chinese Academy of Science
>>
>
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ramkrishna vasudevan 2012-12-25, 16:28
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lars hofhansl 2012-12-25, 18:29