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sds size classes - memory optimization

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Oran Agra
2015-04-09 10:37:01 +03:00
committed by antirez
parent 0f64080dcb
commit f15df8ba5d
8 changed files with 363 additions and 138 deletions
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12
src/scripting.c
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@ -265,14 +265,11 @@ int luaRedisGenericCommand(lua_State *lua, int raise_error) {
if (j < LUA_CMD_OBJCACHE_SIZE && cached_objects[j] &&
cached_objects_len[j] >= obj_len)
{
char *s = cached_objects[j]->ptr;
struct sdshdr *sh = (void*)(s-(sizeof(struct sdshdr)));
sds s = cached_objects[j]->ptr;
argv[j] = cached_objects[j];
cached_objects[j] = NULL;
memcpy(s,obj_s,obj_len+1);
sh->free += sh->len - obj_len;
sh->len = obj_len;
sdssetlen(s, obj_len);
} else {
argv[j] = createStringObject(obj_s, obj_len);
}
@ -422,11 +419,10 @@ cleanup:
o->encoding == REDIS_ENCODING_EMBSTR) &&
sdslen(o->ptr) <= LUA_CMD_OBJCACHE_MAX_LEN)
{
struct sdshdr *sh = (void*)(((char*)(o->ptr))-(sizeof(struct sdshdr)));
sds s = o->ptr;
if (cached_objects[j]) decrRefCount(cached_objects[j]);
cached_objects[j] = o;
cached_objects_len[j] = sh->free + sh->len;
cached_objects_len[j] = sdsalloc(s);
} else {
decrRefCount(o);
}