You might find it easier to use the python implementation for this (I
certainly did). See attached (I was only interested in number of bytes,
but the other metrics are available too)!
Cheers
Mark
On 28/09/13 14:48, Zh Chen wrote:
And recently i have another questions as follows,
5. I find that librados offer the api, and about this
rados_ioctx_pool_stat(rados_ioctx_t io, struct rados_pool_stat_t
*stats), if i want to query some pools' statistics and i need to declare
some rados_ioctx io or cluster handle that each for a pool? i found the
segment fault when the return for rados_ioctx_pool_stat.
#!/usr/bin/python
#
# python examples for RADOS api
#
# expects a config file ceph.conf in this directory,
# and a client keyring if cephx auth is enabled.
# additionally conf needs to mention the keyring file!
from rados import Rados
conn = Rados(conffile='./ceph.conf')
conn.connect()
pools = conn.list_pools()
for pool in pools:
poolio = conn.open_ioctx(pool)
poolstats = poolio.get_stats()
print "{:30} {:10}".format(pool, poolstats['num_bytes'])
poolio.close()
conn.shutdown()
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