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doc/dev/crimson.rst: update with stuff related to seastar options

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Signed-off-by: Kefu Chai <kchai@redhat.com>
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Kefu Chai 2019-06-29 23:15:34 +08:00
parent 67bc3e0a03
commit 9e3e5d435e
1 changed files with 11 additions and 1 deletions
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doc/dev/crimson.rst
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@ -92,9 +92,19 @@ using ``vstart.sh``,
``--redirect-output``
redirect the stdout and stderr of service to ``out/$type.$num.stdout``.
``--osd-args``
pass extra command line options to crimson-osd or ceph-osd. It's quite
useful for passing Seastar options to crimson-osd.
So, a typical command to start a single-crimson-node cluster is::
MGR=1 MON=1 OSD=1 MDS=0 RGW=0 ../src/vstart.sh -n -x --without-dashboard --memstore --crimson --nodaemon --redirect-output
MGR=1 MON=1 OSD=1 MDS=0 RGW=0 ../src/vstart.sh -n -x --without-dashboard --memstore \
--crimson --nodaemon --redirect-output \
--osd-args "--memory 4G --smp 1 --cpuset 0"
Where we assign 4 GiB memory, a single thread running on core-0 to crimson-osd.
Please refer ``crimson-osd --help-seastar`` for more Seastar specific command
line options.
You could stop the vstart cluster using::