Store zlog stream in each child so it can be reused #3471
Merged
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This PR introduces the same buffer for multiple stdio events which should fix inconsistencies of handling
messages that are not ended with a new line and possibly very long messages that are split to multiple events. It also means that the max memory used for zlog streams is
log_limitmultiple by number of workers which should be fine if the value is not set way too high which probably doesn't make sense anyway.If CI is green, I will merge it shortly so it's in the next beta.