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active memory defragmentation

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This commit is contained in:
oranagra
2016-12-30 03:37:52 +02:00
parent 6712bce92c
commit 7aa9e6d2ae
13 changed files with 755 additions and 8 deletions
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15
src/debug.c
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@ -282,7 +282,7 @@ void debugCommand(client *c) {
blen++; addReplyStatus(c,
"ziplist <key> -- Show low level info about the ziplist encoding.");
blen++; addReplyStatus(c,
"populate <count> [prefix] -- Create <count> string keys named key:<num>. If a prefix is specified is used instead of the 'key' prefix.");
"populate <count> [prefix] [size] -- Create <count> string keys named key:<num>. If a prefix is specified is used instead of the 'key' prefix.");
blen++; addReplyStatus(c,
"digest -- Outputs an hex signature representing the current DB content.");
blen++; addReplyStatus(c,
@ -433,7 +433,7 @@ void debugCommand(client *c) {
addReplyStatus(c,"Ziplist structure printed on stdout");
}
} else if (!strcasecmp(c->argv[1]->ptr,"populate") &&
(c->argc == 3 || c->argc == 4)) {
c->argc >= 3 && c->argc <= 5) {
long keys, j;
robj *key, *val;
char buf[128];
@ -442,15 +442,24 @@ void debugCommand(client *c) {
return;
dictExpand(c->db->dict,keys);
for (j = 0; j < keys; j++) {
long valsize = 0;
snprintf(buf,sizeof(buf),"%s:%lu",
(c->argc == 3) ? "key" : (char*)c->argv[3]->ptr, j);
key = createStringObject(buf,strlen(buf));
if (c->argc == 5)
if (getLongFromObjectOrReply(c, c->argv[4], &valsize, NULL) != C_OK)
return;
if (lookupKeyWrite(c->db,key) != NULL) {
decrRefCount(key);
continue;
}
snprintf(buf,sizeof(buf),"value:%lu",j);
val = createStringObject(buf,strlen(buf));
if (valsize==0)
val = createStringObject(buf,strlen(buf));
else {
val = createStringObject(NULL,valsize);
memset(val->ptr, 0, valsize);
}
dbAdd(c->db,key,val);
signalModifiedKey(c->db,key);
decrRefCount(key);