Re: [go-nuts] Pause failures, GC, & StopTheWorld

2018-12-12 Thread Eric Hamilton
“stuck”) > and review that. Or maybe use an external sampler like ‘Instruments’ on osx, > or similar. It certainly seems like some routine is spinning - prevent GC > from happening and pausing everything else. > >> On Dec 12, 2018, at 5:20 PM, Eric Hamilton > <mailto:e.

Re: [go-nuts] Pause failures, GC, & StopTheWorld

2018-12-12 Thread Eric Hamilton
on’t have an incorrect highly recursive >>> loop that is causing the stack marking to take a really long time… ? >>> >>> >>>> On Dec 11, 2018, at 8:45 PM, Eric Hamilton >>> <mailto:e...@kasten.io>> wrote: >>>> >>>> Of

Re: [go-nuts] Pause failures, GC, & StopTheWorld

2018-12-11 Thread Eric Hamilton
Of course. (I forgot about that option and I'd collected those traces at a time when I thought I'd ruled out GC-- probably misread MemStats values). Here's the gctrace output for a repro with a 5.6 second delay ending with finish of gc17 and a 30+ second delay ending in SIGTERM (which coincides