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Cache tiering: use local_mtime to calculate the age of objects during

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evicting

Commit 13b9dc70 introduces local_mtime to fix an issue when doing
flushing. Should also use this to calculate the object age when doing
evicting.

Signed-off-by: Zhiqiang Wang <wonzhq@hotmail.com>
This commit is contained in:
Zhiqiang Wang 2014-08-29 16:06:30 +08:00
parent 335c1f745e
commit 1b4272601a
1 changed files with 7 additions and 2 deletions
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9
src/osd/ReplicatedPG.cc
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@ -11597,8 +11597,13 @@ bool ReplicatedPG::agent_maybe_evict(ObjectContextRef& obc)
agent_estimate_atime_temp(soid, &atime, NULL /*FIXME &temp*/);
uint64_t atime_upper = 0, atime_lower = 0;
if (atime < 0 && obc->obs.oi.mtime != utime_t())
atime = ceph_clock_now(NULL).sec() - obc->obs.oi.mtime;
if (atime < 0 && obc->obs.oi.mtime != utime_t()) {
if (obc->obs.oi.local_mtime != utime_t()) {
atime = ceph_clock_now(NULL).sec() - obc->obs.oi.local_mtime;
} else {
atime = ceph_clock_now(NULL).sec() - obc->obs.oi.mtime;
}
}
if (atime < 0)
atime = pool.info.hit_set_period * pool.info.hit_set_count; // "infinite"
if (atime >= 0) {