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Merge pull request #417 from josephjang/e95ca1db21b2dbe82f39a3f7f6390cb5f58dafae

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a memory leak with replication on two or more dbs including >= db10
This commit is contained in:
Salvatore Sanfilippo 2012-03-30 01:28:58 -07:00
commit 3c38b0876e
3 changed files with 12 additions and 26 deletions
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15
src/redis.c
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@ -773,16 +773,11 @@ void createSharedObjects(void) {
shared.space = createObject(REDIS_STRING,sdsnew(" "));
shared.colon = createObject(REDIS_STRING,sdsnew(":"));
shared.plus = createObject(REDIS_STRING,sdsnew("+"));
shared.select0 = createStringObject("select 0\r\n",10);
shared.select1 = createStringObject("select 1\r\n",10);
shared.select2 = createStringObject("select 2\r\n",10);
shared.select3 = createStringObject("select 3\r\n",10);
shared.select4 = createStringObject("select 4\r\n",10);
shared.select5 = createStringObject("select 5\r\n",10);
shared.select6 = createStringObject("select 6\r\n",10);
shared.select7 = createStringObject("select 7\r\n",10);
shared.select8 = createStringObject("select 8\r\n",10);
shared.select9 = createStringObject("select 9\r\n",10);
for (j = 0; j < REDIS_SHARED_SELECT_CMDS; j++) {
shared.select[j] = createObject(REDIS_STRING,
sdscatprintf(sdsempty(),"select %d\r\n", j));
}
shared.messagebulk = createStringObject("$7\r\nmessage\r\n",13);
shared.pmessagebulk = createStringObject("$8\r\npmessage\r\n",14);
shared.subscribebulk = createStringObject("$9\r\nsubscribe\r\n",15);

4
src/redis.h
View File

@ -47,6 +47,7 @@
#define REDIS_EXPIRELOOKUPS_PER_CRON 10 /* lookup 10 expires per loop */
#define REDIS_MAX_WRITE_PER_EVENT (1024*64)
#define REDIS_REQUEST_MAX_SIZE (1024*1024*256) /* max bytes in inline command */
#define REDIS_SHARED_SELECT_CMDS 10
#define REDIS_SHARED_INTEGERS 10000
#define REDIS_REPLY_CHUNK_BYTES (5*1500) /* 5 TCP packets with default MTU */
#define REDIS_INLINE_MAX_SIZE (1024*64) /* Max size of inline reads */
@ -372,8 +373,7 @@ struct sharedObjectsStruct {
*colon, *nullbulk, *nullmultibulk, *queued,
*emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,
*outofrangeerr, *loadingerr, *plus,
*select0, *select1, *select2, *select3, *select4,
*select5, *select6, *select7, *select8, *select9,
*select[REDIS_SHARED_SELECT_CMDS],
*messagebulk, *pmessagebulk, *subscribebulk, *unsubscribebulk, *mbulk3,
*mbulk4, *psubscribebulk, *punsubscribebulk,
*integers[REDIS_SHARED_INTEGERS];

19
src/replication.c
View File

@ -25,24 +25,15 @@ void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc) {
if (slave->slaveseldb != dictid) {
robj *selectcmd;
switch(dictid) {
case 0: selectcmd = shared.select0; break;
case 1: selectcmd = shared.select1; break;
case 2: selectcmd = shared.select2; break;
case 3: selectcmd = shared.select3; break;
case 4: selectcmd = shared.select4; break;
case 5: selectcmd = shared.select5; break;
case 6: selectcmd = shared.select6; break;
case 7: selectcmd = shared.select7; break;
case 8: selectcmd = shared.select8; break;
case 9: selectcmd = shared.select9; break;
default:
if (dictid >= 0 && dictid < REDIS_SHARED_SELECT_CMDS) {
incrRefCount(shared.select[dictid]);
selectcmd = shared.select[dictid];
} else {
selectcmd = createObject(REDIS_STRING,
sdscatprintf(sdsempty(),"select %d\r\n",dictid));
selectcmd->refcount = 0;
break;
}
addReply(slave,selectcmd);
decrRefCount(selectcmd);
slave->slaveseldb = dictid;
}
addReplyMultiBulkLen(slave,argc);