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rdb: incremental fsync when redis saves rdb

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This commit is contained in:
zhaozhao.zz
2018-03-16 00:44:50 +08:00
parent 84b281209a
commit 54cae05ea7
8 changed files with 32 additions and 13 deletions
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6
src/server.h
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@ -143,6 +143,7 @@ typedef long long mstime_t; /* millisecond time type. */
#define CONFIG_DEFAULT_AOF_USE_RDB_PREAMBLE 0
#define CONFIG_DEFAULT_ACTIVE_REHASHING 1
#define CONFIG_DEFAULT_AOF_REWRITE_INCREMENTAL_FSYNC 1
#define CONFIG_DEFAULT_RDB_SAVE_INCREMENTAL_FSYNC 1
#define CONFIG_DEFAULT_MIN_SLAVES_TO_WRITE 0
#define CONFIG_DEFAULT_MIN_SLAVES_MAX_LAG 10
#define NET_IP_STR_LEN 46 /* INET6_ADDRSTRLEN is 46, but we need to be sure */
@ -183,7 +184,7 @@ typedef long long mstime_t; /* millisecond time type. */
#define PROTO_INLINE_MAX_SIZE (1024*64) /* Max size of inline reads */
#define PROTO_MBULK_BIG_ARG (1024*32)
#define LONG_STR_SIZE 21 /* Bytes needed for long -> str + '\0' */
#define AOF_AUTOSYNC_BYTES (1024*1024*32) /* fdatasync every 32MB */
#define REDIS_AUTOSYNC_BYTES (1024*1024*32) /* fdatasync every 32MB */
/* When configuring the server eventloop, we setup it so that the total number
* of file descriptors we can handle are server.maxclients + RESERVED_FDS +
@ -1021,7 +1022,8 @@ struct redisServer {
time_t aof_rewrite_time_start; /* Current AOF rewrite start time. */
int aof_lastbgrewrite_status; /* C_OK or C_ERR */
unsigned long aof_delayed_fsync; /* delayed AOF fsync() counter */
int aof_rewrite_incremental_fsync;/* fsync incrementally while rewriting? */
int aof_rewrite_incremental_fsync;/* fsync incrementally while aof rewriting? */
int rdb_save_incremental_fsync; /* fsync incrementally while rdb saving? */
int aof_last_write_status; /* C_OK or C_ERR */
int aof_last_write_errno; /* Valid if aof_last_write_status is ERR */
int aof_load_truncated; /* Don't stop on unexpected AOF EOF. */