Re: Resource under-utilization when using RocksDb state backend [SOLVED]

2017-02-16 Thread Clifford Resnick
: "user@flink.apache.org" Date: Thursday, February 16, 2017 at 8:24 AM To: "user@flink.apache.org" Subject: Re: Resource under-utilization when using RocksDb state backend [SOLVED] Hi Cliff, It will be really helpful if you could share your RocksDB configuration. I am also runni

Re: Resource under-utilization when using RocksDb state backend [SOLVED]

2017-02-16 Thread vinay patil
;>>>> >>>>> Here is a sample top: >>>>> >>>>> Cpu0 : 20.5%us, 0.0%sy, 0.0%ni, 79.5%id, 0.0%wa, 0.0%hi, 0.0%si, >>>>> 0.0%st >>>>> Cpu1 : 18.5%us, 0.0%sy, 0.0%ni, 81.5%id, 0.0%wa, 0.0%hi, 0.0%si, >

Re: Resource under-utilization when using RocksDb state backend [SOLVED]

2016-12-08 Thread Aljoscha Krettek
Great to hear! On Fri, 9 Dec 2016 at 01:02 Cliff Resnick wrote: > It turns out that most of the time in RocksDBFoldingState was spent on > serialization/deserializaton. RocksDb read/write was performing well. By > moving from Kryo to custom serialization we were able to increase > throughput dra

Re: Resource under-utilization when using RocksDb state backend [SOLVED]

2016-12-08 Thread Cliff Resnick
It turns out that most of the time in RocksDBFoldingState was spent on serialization/deserializaton. RocksDb read/write was performing well. By moving from Kryo to custom serialization we were able to increase throughput dramatically. Load is now where it should be. On Mon, Dec 5, 2016 at 1:15 PM,