[ https://issues.jboss.org/browse/JGRP-1717?page=com.atlassian.jira.plugin.... ] Bela Ban edited comment on JGRP-1717 at 1/9/14 9:13 AM: -------------------------------------------------------- Tested perf with UPerf (measures throughput and latency) Environment: - JGroups master (3.5) with JGRP-1767 and JGRP-1768 included - cluster-xx lab, 1Gbps network (~125MB/sec) - 8 nodes: cluster01-08 - fast.xml (attached) with ip_ttl=1 *and queue for OOB thread pool* - Each node invokes 20'000 RPCs: 80% sync GETs and 20% async PUTs - numOwners=2 - Configs are: || A || B || C || | ignore_dont_bundle=false | ignore_dont_bundle=true | ignore_dont_bundle=true| | {{+DONT_BUNDLE +OOB}} | {{+DONT_BUNDLE +OOB}} | {{-DONT_BUNDLE -OOB}} | The results are (in avg. requests / sec / node): || Invoker threads || SSWT-A || SSWT-B || SSWT-C || TQ-A || TQ-B || TQ-C || SS-A || SS-B || SS-C || | 1 | 4754 | 4545 | 23 | *4809* | 4415 | 4647 | 4698 | *4718* | *4656* | | 4 | 14699 | 14033 | 74 | *15122* | 13864 | *14079* | 15715 | *14275* | 13782 | | 10 | 22948 | 21192 | 227 | *23232* | *22576* | *22312* | 22487 | 21920 | 18403 | | 20 | 24431 | 23738 | 340 | 23988 | *29282* | *25522* | *25673* | 28228 | 20890 | Comments: * SSWT-B: messages are not bundled (even though ignore_don_bundle=true) as the code has an exception for this bundler * SSWT-C: this bundler has a max_bundle_time of 30ms, so each request and response can have up to 30ms added to it, which is very bad for latency ** Running sync RPCs on SSWT without {{+DONT_BUNDLE | +OOB}} doesn't make any sense * With option C, the cost of batching doesn't really show (although it *is* a bit slower than option B), as UPerf doesn't do anything real (unlike Infinispan). ** However, the slower perf of C against B is caused by all requests in a batch being processed *sequentially* and therefore responses sent before the next request is processed slow down overall speed * Infinispan uses option B when invoking sync RPCs was (Author: belaban): Tested perf with UPerf (measures throughput and latency) Environment: - JGroups master (3.5) with JGRP-1767 and JGRP-1768 included - cluster-xx lab, 1Gbps network (~125MB/sec) - 8 nodes: cluster01-08 - fast.xml (attached) with ip_ttl=1 *and queue for OOB thread pool* - Each node invokes 20'000 RPCs: 80% sync GETs and 20% async PUTs - numOwners=2 - Configs are: || A || B || C || | ignore_dont_bundle=false | ignore_dont_bundle=true | ignore_dont_bundle=true| | {{+DONT_BUNDLE +OOB}} | {{+DONT_BUNDLE +OOB}} | {{-DONT_BUNDLE -OOB}} | The results are (in avg. requests / sec / node): || Invoker threads || SSWT-A || SSWT-B || SSWT-C || TQ-A || TQ-B || TQ-C || SS-A || SS-B || SS-C || | 1 | 4754 | 4545 | 23 | 4809 | 4415 | 4647 | 4698 | 4718 | 4656 | | 4 | 14699 | 14033 | 74 | 15122 | 13864 | 14079 | 15715 | 14275 | 13782 | | 10 | 22948 | 21192 | 227 | 23232 | 22576 | 22312 | 22487 | 21920 | 18403 | | 20 | 24431 | 23738 | 340 | 23988 | 29282 | 25522 | 25673 | 28228 | 20890 | Comments: * SSWT-B: messages are not bundled (even though ignore_don_bundle=true) as the code has an exception for this bundler * SSWT-C: this bundler has a max_bundle_time of 30ms, so each request and response can have up to 30ms added to it, which is very bad for latency ** Running sync RPCs on SSWT without {{+DONT_BUNDLE | +OOB}} doesn't make any sense * With option C, the cost of batching doesn't really show (although it *is* a bit slower than option B), as UPerf doesn't do anything real (unlike Infinispan). ** However, the slower perf of C against B is caused by all requests in a batch being processed *sequentially* and therefore responses sent before the next request is processed slow down overall speed * Infinispan uses option B when invoking sync RPCs -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira