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diskstore directory structure creation

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This commit is contained in:
antirez 2010-12-29 23:00:00 +01:00
parent f63f0928c3
commit ddbc81af33
3 changed files with 33 additions and 3 deletions
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29
src/diskstore.c
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@ -74,10 +74,26 @@
#include <fcntl.h>
#include <sys/stat.h>
int create256dir(char *prefix) {
char buf[1024];
int j;
for (j = 0; j < 256; j++) {
snprintf(buf,sizeof(buf),"%s%02x",prefix,j);
if (mkdir(buf,0755) == -1) {
redisLog(REDIS_WARNING,"Error creating dir %s for diskstore: %s",
buf,strerror(errno));
return REDIS_ERR;
}
}
return REDIS_OK;
}
int dsOpen(void) {
struct stat sb;
int retval;
int retval, j;
char *path = server.ds_path;
char buf[1024];
if ((retval = stat(path,&sb) == -1) && errno != ENOENT) {
redisLog(REDIS_WARNING, "Error opening disk store at %s: %s",
@ -97,11 +113,20 @@ int dsOpen(void) {
/* New disk store, create the directory structure now, as creating
* them in a lazy way is not a good idea, after very few insertions
* we'll need most of the 65536 directories anyway. */
if (mkdir(path,0644) == -1) {
if (mkdir(path,0755) == -1) {
redisLog(REDIS_WARNING,"Disk store init failed creating dir %s: %s",
path, strerror(errno));
return REDIS_ERR;
}
/* Create the top level 256 directories */
snprintf(buf,sizeof(buf),"%s/",path);
if (create256dir(buf) == REDIS_ERR) return REDIS_ERR;
/* For every 256 top level dir, create 256 nested dirs */
for (j = 0; j < 256; j++) {
snprintf(buf,sizeof(buf),"%s/%02x/",path,j);
if (create256dir(buf) == REDIS_ERR) return REDIS_ERR;
}
return REDIS_OK;
}

3
src/dscache.c
View File

@ -457,6 +457,7 @@ void cacheScheduleForFlush(redisDb *db, robj *key) {
val->storage = REDIS_DS_DIRTY;
}
redisLog(REDIS_DEBUG,"Scheduling key %s for saving",key->ptr);
dk = zmalloc(sizeof(*dk));
dk->db = db;
dk->key = key;
@ -477,6 +478,8 @@ void cacheCron(void) {
struct dictEntry *de;
robj *val;
redisLog(REDIS_DEBUG,"Creating IO Job to save key %s",dk->key->ptr);
/* Lookup the key. We need to check if it's still here and
* possibly access to the value. */
de = dictFind(dk->db->dict,dk->key->ptr);

4
src/redis.c
View File

@ -1493,7 +1493,9 @@ int main(int argc, char **argv) {
linuxOvercommitMemoryWarning();
#endif
start = time(NULL);
if (server.appendonly) {
if (server.ds_enabled) {
redisLog(REDIS_NOTICE,"Running with disk back end");
} else if (server.appendonly) {
if (loadAppendOnlyFile(server.appendfilename) == REDIS_OK)
redisLog(REDIS_NOTICE,"DB loaded from append only file: %ld seconds",time(NULL)-start);
} else {