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HBase, mail # user - There is no data value information in HLog?


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Re: There is no data value information in HLog?
yonghu 2012-03-20, 09:26
Thanks for your response. That's really helpful.

regards!

Yong

On Mon, Mar 19, 2012 at 5:32 PM, Ted Yu <[EMAIL PROTECTED]> wrote:
> Hi,
> Have you noticed this in HLogPrettyPrinter ?
>    options.addOption("p", "printvals", false, "Print values");
>
> Looks like you should have specified the above option.
>
> On Mon, Mar 19, 2012 at 7:31 AM, yonghu <[EMAIL PROTECTED]> wrote:
>
>> Hello,
>>
>> I used the $ ./bin/hbase org.apache.hadoop.hbase.regionserver.wal.HLog
>> --dump command to check the HLog information. But I can not find any
>> data information. The output of my HLog file is looks like follows:
>>
>> Sequence 933 from region 85986149309dff24ecf7be4873136f15 in table test
>>  Action:
>>    row: Udo
>>    column: Course:Computer
>>    at time: Mon Mar 19 14:09:29 CET 2012
>>
>> Sequence 935 from region 85986149309dff24ecf7be4873136f15 in table test
>>  Action:
>>    row: Udo
>>    column: Course:Math
>>    at time: Mon Mar 19 14:09:29 CET 2012
>>
>> The functionality of HLog is for recovery. But without data value
>> information, how can hbase use the information in HLog to do recovery.
>> My hbase version is 0.92.0.
>>
>> Regards!
>>
>> Yong
>>