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Autosync based on number of unstable ops to prevent journal stalls

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This commit is contained in:
Vitaliy Filippov
2021-10-30 14:26:48 +03:00
parent 24b9b19066
commit cfe8de9b84
9 changed files with 36 additions and 3 deletions
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src/osd.h
+4 -1
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@@ -35,6 +35,7 @@
#define MAX_AUTOSYNC_INTERVAL 3600
#define DEFAULT_AUTOSYNC_INTERVAL 5
#define DEFAULT_AUTOSYNC_WRITES 128
#define MAX_RECOVERY_QUEUE 2048
#define DEFAULT_RECOVERY_QUEUE 4
#define DEFAULT_RECOVERY_BATCH 16
@@ -108,7 +109,8 @@ class osd_t
int print_stats_interval = 3;
int slow_log_interval = 10;
int immediate_commit = IMMEDIATE_NONE;
int autosync_interval = DEFAULT_AUTOSYNC_INTERVAL; // sync every 5 seconds
int autosync_interval = DEFAULT_AUTOSYNC_INTERVAL; // "emergency" sync every 5 seconds
int autosync_writes = DEFAULT_AUTOSYNC_WRITES;
int recovery_queue_depth = DEFAULT_RECOVERY_QUEUE;
int recovery_sync_batch = DEFAULT_RECOVERY_BATCH;
int log_level = 0;
@@ -140,6 +142,7 @@ class osd_t
osd_op_t *autosync_op = NULL;
// Unstable writes
uint64_t unstable_write_count = 0;
std::map<osd_object_id_t, uint64_t> unstable_writes;
std::deque<osd_op_t*> syncs_in_progress;