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Fix #49896

Updated by Loïc Dachary 6 months ago

The "cacheline optimization":https://github.com/ceph/ceph/blob/2b21735498c98299d5ce383011c3dbe25aaee70f/src/include/mempool.h#L195-L211 in mempool needs testing to guard against regressions and measure how it performs.

See also the discussion on the mailing list about "mempool optimization":https://lists.ceph.io/hyperkitty/list/dev@ceph.io/thread/XQDJV4NKEY2LOSFVOYDQSKPVIYADRNPV/

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