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ceph/etc/sysctl/90-ceph-osd.conf.in

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ceph.spec.in,debian/rules: change aio-max-nr to 1048576 when osd is more than 14 in one host,it report error that aio is not enough. As the default aio-max-nr is 65536, one OSD needs 4096 aios and other programs may use aios. This patch change aio-max-nr to 1048576 when install ceph-osd rpm package and debian package Signed-off-by: chenliuzhong <liuzhong.chen@easystack.cn>
2017-10-24 02:54:33 +00:00
fs.aio-max-nr = 1048576
sysctl.d: set kernel.pid_max=4194304 on 64-bit systems For CONFIG_BASE_FULL Linux kernels, the maximum number of proc/thread IDs is set to 32768 by default. This default limit can be quite easily hit during recovery on nodes with high OSD counts. To avoid hitting the pid_max default limit, attempt to configure it to 4194304, which corresponds to the maximum limit possible on 64-bit CONFIG_BASE_FULL kernels. Fixes: http://tracker.ceph.com/issues/21929 Signed-off-by: David Disseldorp <ddiss@suse.de>
2017-11-14 15:32:39 +00:00
@sysctl_pid_max@