From: Sage Weil Date: Wed, 17 Aug 2016 16:35:12 +0000 (-0400) Subject: os/bluestore/BlueFS: do direct io by default (not buffered) X-Git-Tag: v11.0.1~425^2~1 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=7f568fa1dda080fe106d5a0070e8ee1fcb364d8c;p=ceph-ci.git os/bluestore/BlueFS: do direct io by default (not buffered) Somnath is doing this in his testing with good results. Signed-off-by: Sage Weil --- diff --git a/src/common/config_opts.h b/src/common/config_opts.h index f2a50165fcb..0d54ca63773 100644 --- a/src/common/config_opts.h +++ b/src/common/config_opts.h @@ -942,7 +942,7 @@ OPTION(bluestore_bluefs_min_ratio, OPT_FLOAT, .02) // min fs free / total free OPTION(bluestore_bluefs_max_ratio, OPT_FLOAT, .90) // max fs free / total free OPTION(bluestore_bluefs_gift_ratio, OPT_FLOAT, .02) // how much to add at a time OPTION(bluestore_bluefs_reclaim_ratio, OPT_FLOAT, .20) // how much to reclaim at a time -OPTION(bluestore_bluefs_buffered_io, OPT_BOOL, true) +OPTION(bluestore_bluefs_buffered_io, OPT_BOOL, false) // If you want to use spdk driver, you need to specify NVMe serial number here // with "spdk:" prefix. // Users can use 'lspci -vvv -d 8086:0953 | grep "Device Serial Number"' to