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Fixed memory human style memory reporting, removed server.usedmemory, now zmalloc_used_memory() is used always.

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antirez 2010-01-23 11:55:04 -05:00
parent b0d8747dae
commit b72f6a4b70
2 changed files with 9 additions and 9 deletions
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2
TODO
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@ -14,6 +14,8 @@ Virtual Memory sub-TODO:
* Divide swappability of objects by refcount
* it should be possible to give the vm-max-memory option in megabyte, gigabyte, ..., just using 2GB, 100MB, and so forth.
* Try to understand what can be moved into I/O threads that currently is instead handled by the main thread. For instance swapping file table scannig to find contiguous page could be a potential candidate (but I'm not convinced it's a good idea, better to improve the algorithm, for instance double the fast forward at every step?).
* EXISTS should avoid loading the object if possible without too make the code too specialized.
* vm-min-age <seconds> option
* Hashes (HSET, HGET, HDEL, HEXISTS, HLEN, ...).

16
redis.c
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@ -336,7 +336,6 @@ struct redisServer {
int cronloops; /* number of times the cron function run */
list *objfreelist; /* A list of freed objects to avoid malloc() */
time_t lastsave; /* Unix time of last save succeeede */
size_t usedmemory; /* Used memory in megabytes */
/* Fields used only for stats */
time_t stat_starttime; /* server start time */
long long stat_numcommands; /* number of processed commands */
@ -1165,9 +1164,6 @@ static int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientD
* To access a global var is faster than calling time(NULL) */
server.unixtime = time(NULL);
/* Update the global state with the amount of used memory */
server.usedmemory = zmalloc_used_memory();
/* Show some info about non-empty databases */
for (j = 0; j < server.dbnum; j++) {
long long size, used, vkeys;
@ -1194,7 +1190,7 @@ static int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientD
redisLog(REDIS_VERBOSE,"%d clients connected (%d slaves), %zu bytes in use, %d shared objects",
listLength(server.clients)-listLength(server.slaves),
listLength(server.slaves),
server.usedmemory,
zmalloc_used_memory(),
dictSize(server.sharingpool));
}
@ -1437,7 +1433,6 @@ static void initServer() {
server.bgrewritebuf = sdsempty();
server.lastsave = time(NULL);
server.dirty = 0;
server.usedmemory = 0;
server.stat_numcommands = 0;
server.stat_numconnections = 0;
server.stat_starttime = time(NULL);
@ -5581,7 +5576,7 @@ static void bytesToHuman(char *s, unsigned long long n) {
sprintf(s,"%.2fM",d);
} else if (n < (1024LL*1024*1024*1024)) {
d = (double)n/(1024LL*1024*1024);
sprintf(s,"%.2fM",d);
sprintf(s,"%.2fG",d);
}
}
@ -5594,7 +5589,7 @@ static sds genRedisInfoString(void) {
int j;
char hmem[64];
bytesToHuman(hmem,server.usedmemory);
bytesToHuman(hmem,zmalloc_used_memory());
info = sdscatprintf(sdsempty(),
"redis_version:%s\r\n"
"arch_bits:%s\r\n"
@ -5624,7 +5619,7 @@ static sds genRedisInfoString(void) {
listLength(server.clients)-listLength(server.slaves),
listLength(server.slaves),
server.blockedclients,
server.usedmemory,
zmalloc_used_memory(),
hmem,
server.dirty,
server.bgsavechildpid != -1,
@ -7396,6 +7391,9 @@ static int vmSwapOneObject(int usethreads) {
for (j = 0; j < server.dbnum; j++) {
redisDb *db = server.db+j;
/* Why maxtries is set to 100?
* Because this way (usually) we'll find 1 object even if just 1% - 2%
* are swappable objects */
int maxtries = 100;
if (dictSize(db->dict) == 0) continue;