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Repeat dirty buffer flushes on any PG primary change because the new primary may not know about unfinished operations of the old primary

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This commit is contained in:
Vitaliy Filippov
2024-06-19 00:28:26 +03:00
parent 0fec7a9fea
commit e400a851f4
6 changed files with 67 additions and 8 deletions
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src/client/etcd_state_client.cpp
+14
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@@ -890,6 +890,10 @@ void etcd_state_client_t::parse_state(const etcd_kv_t & kv)
}
}
}
if (on_change_pool_config_hook)
{
on_change_pool_config_hook();
}
}
else if (key == etcd_prefix+"/config/pgs")
{
@@ -1028,13 +1032,19 @@ void etcd_state_client_t::parse_state(const etcd_kv_t & kv)
else if (value.is_null())
{
auto & pg_cfg = this->pool_config[pool_id].pg_config[pg_num];
auto prev_primary = pg_cfg.cur_primary;
pg_cfg.state_exists = false;
pg_cfg.cur_primary = 0;
pg_cfg.cur_state = 0;
if (on_change_pg_state_hook)
{
on_change_pg_state_hook(pool_id, pg_num, prev_primary);
}
}
else
{
auto & pg_cfg = this->pool_config[pool_id].pg_config[pg_num];
auto prev_primary = pg_cfg.cur_primary;
pg_cfg.state_exists = true;
osd_num_t cur_primary = value["primary"].uint64_value();
int state = 0;
@@ -1065,6 +1075,10 @@ void etcd_state_client_t::parse_state(const etcd_kv_t & kv)
}
pg_cfg.cur_primary = cur_primary;
pg_cfg.cur_state = state;
if (on_change_pg_state_hook)
{
on_change_pg_state_hook(pool_id, pg_num, prev_primary);
}
}
}
else if (key.substr(0, etcd_prefix.length()+11) == etcd_prefix+"/osd/state/")