Change in vdsm[master]: itmap starts threads for each argument causes too many oop o...
danken at redhat.com
danken at redhat.com
Wed Oct 24 19:12:15 UTC 2012
Dan Kenigsberg has posted comments on this change.
Change subject: itmap starts threads for each argument causes too many oop operations
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Patch Set 4: Looks good to me, approved
(1 inline comment)
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File vdsm/storage/misc.py
Line 1283: # greater than 1
Line 1284: if threadsCount < 1:
Line 1285: raise RuntimeError("No thread initiated")
Line 1286: else:
Line 1287: yield respQueue.get()
There's a minor issue here: if the caller of itmap() performs a long operation in each "yield", we loose time that could have been spent on issuing a new threads.
Still I think that's good enough for our use case.
Line 1288: # if yield returns one thread stopped, so we can run
Line 1289: # another thread in queue
Line 1290: maxthreads += 1
Line 1291: threadsCount -= 1
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Gerrit-MessageType: comment
Gerrit-Change-Id: If2877c28b916475aead16d47d37522c2bf44cc16
Gerrit-PatchSet: 4
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Yaniv Bronhaim <ybronhei at redhat.com>
Gerrit-Reviewer: Barak Azulay <bazulay at redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken at redhat.com>
Gerrit-Reviewer: Hunt Xu <mhuntxu at gmail.com>
Gerrit-Reviewer: Saggi Mizrahi <smizrahi at redhat.com>
Gerrit-Reviewer: ShaoHe Feng <shaohef at linux.vnet.ibm.com>
Gerrit-Reviewer: Yaniv Bronhaim <ybronhei at redhat.com>
Gerrit-Reviewer: Zhou Zheng Sheng <zhshzhou at linux.vnet.ibm.com>
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