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HBase, mail # user - dump HLog content!


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Re: dump HLog content!
yonghu 2012-04-15, 16:34
yes

On Sun, Apr 15, 2012 at 6:30 PM, Ted Yu <[EMAIL PROTECTED]> wrote:
> Did 'HLog --dump' show real contents for a 0-sized file ?
>
> Cheers
>
> On Sun, Apr 15, 2012 at 8:58 AM, yonghu <[EMAIL PROTECTED]> wrote:
>
>> Hello,
>>
>> My hbase version is 0.92.0 and is installed in pseudo-mode. I found a
>> strange situation of HLog. After I inserted new data value into table,
>> the volume of HLog is 0. I checked in HDFS.
>>
>> drwxr-xr-x   - yonghu supergroup          0 2012-04-15 17:34 /hbase/.logs
>> drwxr-xr-x   - yonghu supergroup          0 2012-04-15 17:34
>> /hbase/.logs/yonghu-laptop,60020,1334504008467
>> -rw-r--r--   3 yonghu supergroup          0 2012-04-15 17:34
>>
>> /hbase/.logs/yonghu-laptop,60020,1334504008467/yonghu-laptop%2C60020%2C1334504008467.1334504048854
>>
>> But I can use hbase org.apache.hadoop.hbase.regionserver.wal.HLog
>> --dump to see the content of log information. However, if I write java
>> program to extract the log information. The output is null! Somebody
>> knows why?
>>
>> Thanks!
>>
>> Yong
>>