Hey Damian and folks, I've also tried 1000 and 500 and the performance state is exactly the same. Any other ideas?
Regards, Brilly -----Original Message----- From: Damian Guy [mailto:damian....@gmail.com] Sent: Tuesday, February 13, 2018 4:48 PM To: users@kafka.apache.org Subject: Re: Kafka Stream tuning. Hi Brilly, My initial guess is that it is the overhead of committing. Commit is synchronous and you have the commit interval set to 50ms. Perhaps try increasing it. Thanks, Damian On Tue, 13 Feb 2018 at 07:49 TSANG, Brilly <brilly.ts...@hk.daiwacm.com> wrote: > Hi kafka users, > > I created a filtering stream with the Processor API; input topic that > have input rate at ~5 records per millisecond. The filtering function > on average takes 0.05milliseconds to complete which in ideal case > would translate to (1/0.05) 20 records per millisecond. However, > when I benchmark the whole process, the streams is only processing > 0.05 record per milliseconds. > > Anyone have any idea on how to tune the steaming system to be faster > as > 0.05 record is very far away from the theoretical max of 20? The > results above are per partition based where I have 16 partition for > the input topic and all partitions have similar throughput. > > I've only set the streams to have the following config: > Properties config = new Properties(); > config.put(StreamsConfig.APPLICATION_ID_CONFIG, appId); > config.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrap); > config.put(StreamsConfig.STATE_DIR_CONFIG, stateDir); > config.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, 50); > > I'm not defining TimeExtractor so the default one is used. > > Thanks for any help in advance. > > Regards, > Brilly > > ________________________________ > > > ********************************************************************** > ********** > DISCLAIMER: > This email and any attachment(s) are intended solely for the person(s) > named above, and are or may contain information of a proprietary or > confidential nature. If you are not the intended recipient(s), you > should delete this message immediately. Any use, disclosure or > distribution of this message without our prior consent is strictly prohibited. > This message may be subject to errors, incomplete or late delivery, > interruption, interception, modification, or may contain viruses. > Neither Daiwa Capital Markets Hong Kong Limited, its subsidiaries, > affiliates nor their officers or employees represent or warrant the > accuracy or completeness, nor accept any responsibility or liability > whatsoever for any use of or reliance upon, this email or any of the > contents hereof. The contents of this message are for information > purposes only, and subject to change without notice. > This message is not and is not intended to be an offer or solicitation > to buy or sell any securities or financial products, nor does any > recommendation, opinion or advice necessarily reflect those of Daiwa > Capital Markets Hong Kong Limited, its subsidiaries or affiliates. > > ********************************************************************** > ********** > ________________________________ ******************************************************************************** DISCLAIMER: This email and any attachment(s) are intended solely for the person(s) named above, and are or may contain information of a proprietary or confidential nature. If you are not the intended recipient(s), you should delete this message immediately. Any use, disclosure or distribution of this message without our prior consent is strictly prohibited. This message may be subject to errors, incomplete or late delivery, interruption, interception, modification, or may contain viruses. Neither Daiwa Capital Markets Hong Kong Limited, its subsidiaries, affiliates nor their officers or employees represent or warrant the accuracy or completeness, nor accept any responsibility or liability whatsoever for any use of or reliance upon, this email or any of the contents hereof. The contents of this message are for information purposes only, and subject to change without notice. This message is not and is not intended to be an offer or solicitation to buy or sell any securities or financial products, nor does any recommendation, opinion or advice necessarily reflect those of Daiwa Capital Markets Hong Kong Limited, its subsidiaries or affiliates. ********************************************************************************
