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Implement flushing (stabilize/rollback) of unstable entries on start of the PG

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This commit is contained in:
Vitaliy Filippov
2020-03-14 02:49:34 +03:00
parent 46f9bd2a69
commit 21d0b06959
10 changed files with 275 additions and 47 deletions
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osd_peering_pg.h
+7 -2
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@@ -102,12 +102,15 @@ struct obj_piece_ver_t
uint64_t stable_ver = 0;
};
struct obj_stab_action_t
struct flush_action_t
{
bool rollback = false, make_stable = false;
uint64_t stable_to = 0, rollback_to = 0;
bool submitted = false;
};
struct pg_flush_batch_t;
struct pg_t
{
int state;
@@ -125,9 +128,11 @@ struct pg_t
// which is up to ~192 MB per 1 TB in the worst case scenario
std::map<pg_osd_set_t, pg_osd_set_state_t> state_dict;
btree::btree_map<object_id, pg_osd_set_state_t*> obj_states;
std::map<obj_piece_id_t, obj_stab_action_t> obj_stab_actions;
std::map<obj_piece_id_t, flush_action_t> flush_actions;
btree::btree_map<object_id, uint64_t> ver_override;
pg_peering_state_t *peering_state = NULL;
pg_flush_batch_t *flush_batch = NULL;
int flush_actions_in_progress = 0;
std::multimap<object_id, osd_op_t*> write_queue;