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GC pause storm

The heap passed 90%. The collector paused one request in ten.

What happens#

The heap passed 90%. The collector paused one request in ten.

How to prevent it#

More memory, ZGC, or GOGC tuning. Restart to end it.

The postmortem opens the first of these that you do not own yet:

  1. ZGC
  2. Go GC tuning

Engineering terms#