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Bug #41585
closedmds: client evicted twice in one tick
% Done:
0%
Source:
Community (dev)
Tags:
Backport:
nautilus,mimic
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
2019-08-09 14:41:39.292140 7fd33eba7700 0 log_channel(cluster) log [WRN] : client id 2646901 has not responded to cap revoke by MDS for over 30 seconds, evicting
2019-08-09 14:41:42.431933 7fd33eba7700 0 log_channel(cluster) log [WRN] : client id 2646901 has not responded to cap revoke by MDS for over 30 seconds, evicting
std::vector<client_t> Locker::get_late_revoking_clients(double timeout) const { std::vector<client_t> result; if (any_late_revoking_caps(revoking_caps, timeout)) { // Slow path: execute in O(N_clients) for (auto &p : revoking_caps_by_client) { if (any_late_revoking_caps(p.second, timeout)) { result.push_back(p.first); } } } else { // Fast path: no misbehaving clients, execute in O(1) } return result; }
client is put to to_evict vector twice in the situation client does't response two caps revoke.
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