On 7/2/20 11:04 AM, Petr Kyselák wrote:
  Just for information. Suggested settings "-u 60
-d 60000" (on version
 5.1.1) still lead to the issue 
Yes, that's now expected on 32-bit 5.1.1 kres-cache-gc.  An integer
overflow there commonly leads to collecting way few records, so the
cache overflows.  With >= 5.1.2 you shouldn't need to tweak the GC
settings to avoid overfilling (but the above should also be OK).
--Vladimir