[Wikidata-bugs] [Maniphest] [Updated] T176192: WDQS clone keeps freezing up on GC

Tue, 19 Sep 2017 01:22:49 -0700

Gehel added a comment.

I had a chat with @Yurik to dig a bit more into this issue. He is seeing a 75% GC overhead, which seems very different than the behaviour we observe on our own wdqs instances. We are doing our own investigation into GC tuning (T175919).

I did gave @Yurik a few idea to try:

  • reduce heap size
  • investigate thread dumps during the crash / freeze
  • disable G1
  • ...

I'm closing this as it does not seem to be related to WDQS itself.


TASK DETAIL
https://phabricator.wikimedia.org/T176192

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To: Gehel
Cc: Yurik, Smalyshev, Gehel, Aklapper, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, EBjune, merbst, Avner, debt, Jonas, FloNight, Xmlizer, Izno, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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