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CacheTier: set cache_min_evict_age is effective

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Signed-off-by: Tao Chang <changtao@hihuron.com>
This commit is contained in:
changtao 2016-02-02 01:23:37 +08:00
parent 64fbda8371
commit ab7d3decbf
1 changed files with 13 additions and 0 deletions

13
src/osd/ReplicatedPG.cc
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@ -11766,6 +11766,19 @@ bool ReplicatedPG::agent_maybe_evict(ObjectContextRef& obc, bool after_flush)
}
if (agent_state->evict_mode != TierAgentState::EVICT_MODE_FULL) {
// is this object old than cache_min_evict_age?
utime_t now = ceph_clock_now(NULL);
utime_t ob_local_mtime;
if (obc->obs.oi.local_mtime != utime_t()) {
ob_local_mtime = obc->obs.oi.local_mtime;
} else {
ob_local_mtime = obc->obs.oi.mtime;
}
if (ob_local_mtime + utime_t(pool.info.cache_min_evict_age, 0) > now) {
dout(20) << __func__ << " skip (too young) " << obc->obs.oi << dendl;
osd->logger->inc(l_osd_agent_skip);
return false;
}
// is this object old and/or cold enough?
int temp = 0;
uint64_t temp_upper = 0, temp_lower = 0;