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CG: Add JUSTID to XCLAIM propagation to reduce CPU usage.

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This commit is contained in:
antirez 2018-03-20 11:25:49 +01:00
parent ad716e29c0
commit 2ba9a57c9a
1 changed files with 7 additions and 3 deletions
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10
src/t_stream.c
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@ -686,8 +686,11 @@ void streamPropagateXCLAIM(client *c, robj *key, robj *group, robj *id, streamNA
/* We need to generate an XCLAIM that will work in a idempotent fashion:
*
* XCLAIM <key> <group> <consumer> 0 <id> TIME <milliseconds-unix-time>
* RETRYCOUNT <count> [FORCE]. */
robj *argv[11];
* RETRYCOUNT <count> FORCE JUSTID.
*
* Note that JUSTID is useful in order to avoid that XCLAIM will do
* useless work in the slave side, trying to fetch the stream item. */
robj *argv[12];
argv[0] = createStringObject("XCLAIM",6);
argv[1] = key;
argv[2] = group;
@ -699,7 +702,8 @@ void streamPropagateXCLAIM(client *c, robj *key, robj *group, robj *id, streamNA
argv[8] = createStringObject("RETRYCOUNT",10);
argv[9] = createStringObjectFromLongLong(nack->delivery_count);
argv[10] = createStringObject("FORCE",5);
propagate(server.xclaimCommand,c->db->id,argv,11,PROPAGATE_AOF|PROPAGATE_REPL);
argv[11] = createStringObject("JUSTID",6);
propagate(server.xclaimCommand,c->db->id,argv,12,PROPAGATE_AOF|PROPAGATE_REPL);
decrRefCount(argv[0]);
decrRefCount(argv[3]);
decrRefCount(argv[4]);