Store size

[barak]

Hi all,

Is there an API so one can query stores for their size/number of keys?

Thanks.

[tom gogii]

Hi Barak,

1. One possible option is to look at the jmx mbean at:

voldemort.server.storage:type=StorageService

There is a method on the bean - logStoreStats.

This should get the size of the unlying database. This prints it out
to the log file for voldemort:

sample below:

[2010-04-11 15:34:38,273 voldemort.server.storage.StorageService]
INFO

Data statistics for store 'test':
Total entries: 400000
Total bytes: 1170960887
Avg. key size: 5.7
Avg. value size: 2,921.7
Smallest key size: 2911
Largest key size: 2911
Smallest value size: 2911
Largest value size: 2922

Tom

[barak]

Thansk for that, works indeed. Is there another way, for example via
AdminClient?

> > Thanks.- Hide quoted text -
>
> - Show quoted text -

[Tom Chen]

voldemort.client.protocol.admin.AdminClient

Should be able to do it, but i haven't seen an example. According to
the javadoc this is what the rebalancing operation uses.

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Tom Chen
Software Architect
GOGII, Inc
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650-468-6318

[Jay Kreps]

Hi,

We don't have such an API at this time. It would definitely be nice to
have, though.

-Jay

On Sun, Apr 11, 2010 at 11:52 PM, barak <barak...@gmail.com> wrote: