Jianjian Huo ea1d84c1d7 Object-server: add periodic greenthread yielding during file write ...

Currently, when object-server serves PUT request and DiskFile
writer write file chunks to disk, there is no explicit
eventlet sleep called. When network outpace the slow disk IO,
it's possible one large and slow PUT request could cause
eventlet hub not to schedule any other green threads for a
long period of time. To improve this, this patch enable the
configurable yield parameter 'cooperative_period' into object
server controller write path.

Related-Change: I80b04bad0601b6cd6caef35498f89d4ba70a4fd4
Co-Authored-By: Clay Gerrard <clay.gerrard@gmail.com>
Change-Id: I1c0aba9830433f093d024b4c39cd3a3b2f0d69f1

2024-11-29 13:59:25 +00:00

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