fluencelabs/redis
1
0
Fork 0
mirror of https://github.com/fluencelabs/redis synced 2025-06-17 19:21:21 +00:00
Code Issues Projects Releases Wiki Activity

DEBUG: new "ziplist" subcommand added. Dumps a ziplist on stdout.

Browse Source 
The commit improves ziplistRepr() and adds a new debugging subcommand so
that we can trigger the dump directly from the Redis API.
This command capability was used while investigating issue #3684.
This commit is contained in:
antirez
2016-12-16 09:02:50 +01:00
parent b53e73e159
commit ac61f90625
4 changed files with 35 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/debug.c
View File

@ -280,6 +280,8 @@ void debugCommand(client *c) {
blen++; addReplyStatus(c,
"sdslen <key> -- Show low level SDS string info representing key and value.");
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.");
blen++; addReplyStatus(c,
"digest -- Outputs an hex signature representing the current DB content.");
@ -418,6 +420,18 @@ void debugCommand(client *c) {
(long long) sdsavail(val->ptr),
(long long) getStringObjectSdsUsedMemory(val));
}
} else if (!strcasecmp(c->argv[1]->ptr,"ziplist") && c->argc == 3) {
robj *o;
if ((o = objectCommandLookupOrReply(c,c->argv[2],shared.nokeyerr))
== NULL) return;
if (o->encoding != OBJ_ENCODING_ZIPLIST) {
addReplyError(c,"Not an sds encoded string.");
} else {
ziplistRepr(o->ptr);
addReplyStatus(c,"Ziplist structure printed on stdout");
}
} else if (!strcasecmp(c->argv[1]->ptr,"populate") &&
(c->argc == 3 || c->argc == 4)) {
long keys, j;