Hi Gerry,

I had set the following parameters for DBOptions:
setStatsDempPeriodSec( 600) // 10 mins
setDBLogDir("/var/tmp/")

 I saw the files getting generated in /var/tmp. But I did not get the
statistics here. You will get all the options that are used for RocksDB.

May be you can try to set createStatistics() as well.

By the way I was able to get rid of memory consumption issue. Did you try
using FLASH_SSD_OPTION ?


Regards,
Vinay Patil

On Fri, Jun 30, 2017 at 2:49 PM, gerryzhou [via Apache Flink User Mailing
List archive.] <ml+s2336050n14081...@n4.nabble.com> wrote:

> Hi,
>      Is there some metric info about RocksdbBackend in flink, like sst
> compact times, memtable dump times, block cache size and so on. Currently
> when using Rocksdb as backend it behavior is black for us  and it
> consumption a lot of memory, i want to figure out it behavior via metric.
>
>
>
>
>
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