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Posted to user@hbase.apache.org by Vivek Krishna <vi...@gmail.com> on 2011/03/22 22:00:04 UTC
Using split command in shell
The command is `split table or region row`
How to find what the region row is? I tried the ones shown in node:60030
webpage. Does not work.
Viv
Re: Using split command in shell
Posted by Suraj Varma <sv...@gmail.com>.
It is the full region name - something like this:
TestTable,0000262335,1300510101703.372a66d40705a4f2338b0219767602d3.
If you go to the master web UI and click on the table name and you
will see all the regions for that table. It is the string under Table
Regions / Name column.
The other thing is: this operation is async. So, the split command
will return almost immediately and the split operation is done async
... so, it may not reflect on your screen immediately.
I suspect that your "asdf" string showing split regions is just a
previous correct split operation succeeding asynchronously (i.e. cause
& effect confusion ...)
--Suraj
On Tue, Mar 22, 2011 at 3:37 PM, Vivek Krishna <vi...@gmail.com> wrote:
> When I entered the row key, it did nothing. Even the logs weren't helpful.
> When I typed arbitrary "asdf" as region row it started splitting.
>
> To clarify, my question was what is defined as a "region row", is it the
> first key of the region? the last key? any key in the region? or a combo of
> table name +region ?
>
> Viv
>
>
>
> On Tue, Mar 22, 2011 at 6:15 PM, Stack <st...@duboce.net> wrote:
>
>> On Tue, Mar 22, 2011 at 3:11 PM, Vivek Krishna <vi...@gmail.com>
>> wrote:
>> > `split region_name`, I don't know what to use as region name?
>>
>> hbase(main):001:0> help 'split'
>> Split table or pass a region row to split individual region
>>
>>
>> > I tried
>> > entering the region name as seen in nodeName:60030 webpage, it does not
>> > split the region.
>> >
>>
>> You checked the regionserver log and/or master log? It did nothing?
>> No exception?
>>
>> St.Ack
>>
>
Re: Using split command in shell
Posted by Vivek Krishna <vi...@gmail.com>.
When I entered the row key, it did nothing. Even the logs weren't helpful.
When I typed arbitrary "asdf" as region row it started splitting.
To clarify, my question was what is defined as a "region row", is it the
first key of the region? the last key? any key in the region? or a combo of
table name +region ?
Viv
On Tue, Mar 22, 2011 at 6:15 PM, Stack <st...@duboce.net> wrote:
> On Tue, Mar 22, 2011 at 3:11 PM, Vivek Krishna <vi...@gmail.com>
> wrote:
> > `split region_name`, I don't know what to use as region name?
>
> hbase(main):001:0> help 'split'
> Split table or pass a region row to split individual region
>
>
> > I tried
> > entering the region name as seen in nodeName:60030 webpage, it does not
> > split the region.
> >
>
> You checked the regionserver log and/or master log? It did nothing?
> No exception?
>
> St.Ack
>
Re: Using split command in shell
Posted by Stack <st...@duboce.net>.
On Tue, Mar 22, 2011 at 3:11 PM, Vivek Krishna <vi...@gmail.com> wrote:
> `split region_name`, I don't know what to use as region name?
hbase(main):001:0> help 'split'
Split table or pass a region row to split individual region
> I tried
> entering the region name as seen in nodeName:60030 webpage, it does not
> split the region.
>
You checked the regionserver log and/or master log? It did nothing?
No exception?
St.Ack
Re: Using split command in shell
Posted by Vivek Krishna <vi...@gmail.com>.
when I type
`split region_name`, I don't know what to use as region name? I tried
entering the region name as seen in nodeName:60030 webpage, it does not
split the region.
It outputs it completed in 1.234 seconds, but nothing happens.
What ever I type as region_name, it outputs completed in 1.x seconds and
nothing happens.
Viv
On Tue, Mar 22, 2011 at 5:36 PM, Jean-Daniel Cryans <jd...@apache.org>wrote:
> Please define "does not work", does it give you an error message or it
> just doesn't split? If latter, maybe the split was rejected, depending
> on the file layout. You would find such message in the region server
> log.
>
> J-D
>
> On Tue, Mar 22, 2011 at 2:00 PM, Vivek Krishna <vi...@gmail.com>
> wrote:
> > The command is `split table or region row`
> >
> > How to find what the region row is? I tried the ones shown in node:60030
> > webpage. Does not work.
> >
> >
> > Viv
> >
>
Re: Using split command in shell
Posted by Jean-Daniel Cryans <jd...@apache.org>.
Please define "does not work", does it give you an error message or it
just doesn't split? If latter, maybe the split was rejected, depending
on the file layout. You would find such message in the region server
log.
J-D
On Tue, Mar 22, 2011 at 2:00 PM, Vivek Krishna <vi...@gmail.com> wrote:
> The command is `split table or region row`
>
> How to find what the region row is? I tried the ones shown in node:60030
> webpage. Does not work.
>
>
> Viv
>