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implemented different algorithms for maxmemory

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This commit is contained in:
antirez
2010-10-14 21:22:21 +02:00
parent ef59a8bc9e
commit 165346ca29
5 changed files with 175 additions and 7 deletions
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10
src/redis.h
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@ -198,6 +198,13 @@
#define REDIS_OP_DIFF 1
#define REDIS_OP_INTER 2
/* Redis maxmemory strategies */
#define REDIS_MAXMEMORY_VOLATILE_LRU 0
#define REDIS_MAXMEMORY_VOLATILE_TTL 1
#define REDIS_MAXMEMORY_VOLATILE_RANDOM 2
#define REDIS_MAXMEMORY_ALLKEYS_LRU 3
#define REDIS_MAXMEMORY_ALLKEYS_RANDOM 4
/* We can print the stacktrace, so our assert is defined this way: */
#define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))
#define redisPanic(_e) _redisPanic(#_e,__FILE__,__LINE__),_exit(1)
@ -212,6 +219,7 @@ void _redisPanic(char *msg, char *file, int line);
/* The actual Redis Object */
#define REDIS_LRU_CLOCK_MAX ((1<<21)-1) /* Max value of obj->lru */
#define REDIS_LRU_CLOCK_RESOLUTION 10 /* LRU clock resolution in seconds */
typedef struct redisObject {
unsigned type:4;
unsigned storage:2; /* REDIS_VM_MEMORY or REDIS_VM_SWAPPING */
@ -391,6 +399,8 @@ struct redisServer {
int replstate;
unsigned int maxclients;
unsigned long long maxmemory;
int maxmemory_policy;
int maxmemory_samples;
unsigned int blpop_blocked_clients;
unsigned int vm_blocked_clients;
/* Sort parameters - qsort_r() is only available under BSD so we