os/bluestore: add bluestore_prefer_deferred_size_hdd/ssd to tracked keys #17459
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To make these two keys can be changed online: ./bin/ceph tell osd.* injectargs "--bluestore_prefer_deferred_size_hdd 0" osd.0: bluestore_prefer_deferred_size_hdd = '0' (not observed, change may require restart) osd.1: bluestore_prefer_deferred_size_hdd = '0' (not observed, change may require restart) osd.2: bluestore_prefer_deferred_size_hdd = '0' (not observed, change may require restart) Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
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This change is useful for me, I could tune the performance without restart osd. But why "(not observed, change may require restart)" dumped? Is this option injection workable or not?? |
Sorry:-( That was the output before this change, works now: |
liupan1111
approved these changes
Sep 5, 2017
tchaikov
approved these changes
Sep 5, 2017
|
#17534 backport |
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To make these two keys can be changed online:
./bin/ceph tell osd.* injectargs "--bluestore_prefer_deferred_size_hdd 0"
osd.0: bluestore_prefer_deferred_size_hdd = '0' (not observed, change may require restart)
osd.1: bluestore_prefer_deferred_size_hdd = '0' (not observed, change may require restart)
osd.2: bluestore_prefer_deferred_size_hdd = '0' (not observed, change may require restart)
Signed-off-by: xie xingguo xie.xingguo@zte.com.cn