Re: DataStreamer. allowOverwrite(false) - Will it slow the writes?

2020-07-13 Thread Ilya Kasnacheev
Hello! With persistence, you will probably burn through the burst time (in-memory no-checkpoint) faster and hit the "slow" persistent epoch earlier. Then you will need to tune your persistence. Please see https://apacheignite.readme.io/docs/durable-memory-tuning Regards, -- Ilya Kasnacheev

Re: DataStreamer. allowOverwrite(false) - Will it slow the writes?

2020-07-10 Thread krkumar24061...@gmail.com
Hi - Yes, Ignite native persistence is enabled. Thanx and Regards, KR Kumar -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: DataStreamer. allowOverwrite(false) - Will it slow the writes?

2020-07-10 Thread Ilya Kasnacheev
Hello! I don't think so. It is supposed to speed it up. Do you have persistence? With persistence, you would expect a slow-down after an initial spike. Regards, -- Ilya Kasnacheev пт, 10 июл. 2020 г. в 15:09, krkumar24061...@gmail.com < krkumar24061...@gmail.com>: > Hi Guys - If I have my

DataStreamer. allowOverwrite(false) - Will it slow the writes?

2020-07-10 Thread krkumar24061...@gmail.com
Hi Guys - If I have my data streamer's allowOverwrite is set to false which is default, will this cause my read IOPS go up as it need to check if the key already exist? Bcoz the behavior that we see is that the write performance goes down significantly after it has inserted few billion rows and