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[kronosnet/kronosnet] b0ebf3: [PMTUd] amend warning message

by GitHub

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet Commit: b0ebf3b8e2631a92d16e771dc39caf5369857a1a https://github.com/kronosnet/kronosnet/commit/b0ebf3b8e2631a92d16e771dc39ca… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-12-31 (Sun, 31 Dec 2017) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] amend warning message Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

6 years, 8 months

[kronosnet/kronosnet] 265857: [PMTUd] generate warning when there is a timeout r...

by GitHub

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet Commit: 265857837590d99a9b1bfa9e8d98df7cf0bef2a9 https://github.com/kronosnet/kronosnet/commit/265857837590d99a9b1bfa9e8d98d… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-12-31 (Sun, 31 Dec 2017) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] generate warning when there is a timeout receiving a response Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

6 years, 8 months

[kronosnet/kronosnet]

by GitHub

Branch: refs/heads/new-pmtud Home: https://github.com/kronosnet/kronosnet

6 years, 8 months

[kronosnet/kronosnet]

by GitHub

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet

6 years, 8 months

[kronosnet/kronosnet]

by GitHub

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet

6 years, 8 months

[kronosnet/kronosnet] e2b4f9: [PMTUd] if PMTUd is rescheduled, then enforce a ne...

by GitHub

Branch: refs/heads/new-pmtud Home: https://github.com/kronosnet/kronosnet Commit: e2b4f916f553f4f025a08bb9edb5771d6c093ca2 https://github.com/kronosnet/kronosnet/commit/e2b4f916f553f4f025a08bb9edb57… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-12-30 (Sat, 30 Dec 2017) Changed paths: M libknet/threads_common.c Log Message: ----------- [PMTUd] if PMTUd is rescheduled, then enforce a new run the usleep between each PMTUd run will give time to the other threads to grab the wrlock Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

6 years, 8 months

[kronosnet/kronosnet] 8cea55: [PMTUd] make PMTUd force_run notification more qui...

by GitHub

Branch: refs/heads/new-pmtud Home: https://github.com/kronosnet/kronosnet Commit: 8cea557b9bf7026ada7185a193df3de50c9b65af https://github.com/kronosnet/kronosnet/commit/8cea557b9bf7026ada7185a193df3… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-12-30 (Sat, 30 Dec 2017) Changed paths: M libknet/transport_udp.c Log Message: ----------- [PMTUd] make PMTUd force_run notification more quiet Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

6 years, 8 months

[kronosnet/kronosnet] 18fe60: [PTMUd] if any threads receives a EMSGSIZE outside...

by GitHub

Branch: refs/heads/new-pmtud Home: https://github.com/kronosnet/kronosnet Commit: 18fe60ab186a708827e7488aabe963363e10f37e https://github.com/kronosnet/kronosnet/commit/18fe60ab186a708827e7488aabe96… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-12-30 (Sat, 30 Dec 2017) Changed paths: M libknet/internals.h M libknet/tests/knet_bench.c M libknet/threads_pmtud.c M libknet/transport_udp.c Log Message: ----------- [PTMUd] if any threads receives a EMSGSIZE outside of a PMTUD run, force PTMUd to run Scenario: node X has MTU Y on the interface and application is sending packets with size >= Y. The interface MTU is suddenly reduced to < Y Before this change, the kernel would be dropping packets till the next PMTUd run. After this change, the PMTUd will be informed that it has to rerun (overriding the pmtud_interval), reducing the packet drop to a minimum. How to test: force knet_bench to send 1500 size packets with ping_data (requires code change) and start it. reduce MTU on the interface from 1500 to 1300 (for example) Notice an immediate trigger of PMTUd run in debug mode Note: going up, from 1300 to 1500 will wait for the next PMTUd re-run as there is no immediate way to detect this change unless we start listening to kernel netlink sockets with libnl3 (investigation in progress but not critical enough atm). Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

6 years, 8 months

[kronosnet/kronosnet] 937bda: [PMTUd] rename pmtud_running to pmtud_waiting

by GitHub

Branch: refs/heads/new-pmtud Home: https://github.com/kronosnet/kronosnet Commit: 937bda599da77192ab9df3da4758770a2250bd89 https://github.com/kronosnet/kronosnet/commit/937bda599da77192ab9df3da47587… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-12-30 (Sat, 30 Dec 2017) Changed paths: M libknet/internals.h M libknet/threads_common.c M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] rename pmtud_running to pmtud_waiting Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

6 years, 8 months

[kronosnet/kronosnet] 0fcec1: [PTMUd] by using a safe PMTU to init a link, we ca...

by GitHub

Branch: refs/heads/new-pmtud Home: https://github.com/kronosnet/kronosnet Commit: 0fcec1f7054e900a47e2f61954849691de8bc425 https://github.com/kronosnet/kronosnet/commit/0fcec1f7054e900a47e2f61954849… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2017-12-29 (Fri, 29 Dec 2017) Changed paths: M libknet/links.c Log Message: ----------- [PTMUd] by using a safe PMTU to init a link, we can shave down corosync membership creation by 25% tested on a 9 node cluster with 2 links each node, going down from 4 seconds to 3 seconds Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

6 years, 8 months

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