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From Gary Tully <>
Subject Re: Slow acknowledgement
Date Wed, 02 Oct 2013 14:28:05 GMT
not really. with jdbc the number of connections can be a limitation.
maybe try verify with kahadb to contrast.

getting a few broker thread dumps in quick succession would help
identify where the broker is spending its time.

On 2 October 2013 14:27, dhonorez <> wrote:
> We're using LevelDB. I'll post the config as soon as I get the chance.
> Are you, by any chance, thinking of this issue with LevelDB:
>> We've been using the levelDB store a month of two now in production on NFS
>> (with standard file lock failover configured). We've had a corrupt store
>> several times now in the last few weeks, with no errors in the logs...
>> just queues piling up, and very low throughput. The only thing we could do
>> to resolve this, is throw away the store, and start over.
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