Add option to check queued? loosely #2564
Merged
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Which issue(s) this PR fixes:
What this PR does / why we need it:
synchronize is a bit heavy. so if no need to get a lock when getting the value
from
@queue
and@queue_num
, Use optimistic option to check faster.and
@buffer.queued?
in Output#emit_buffered is no need to get a value with a lockDocs Changes:
no need
Release Note:
same as title