/* Redis benchmark utility. * * Copyright (c) 2006-2009, Salvatore Sanfilippo * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Redis nor the names of its contributors may be used * to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "fmacros.h" #include #include #include #include #include #include #include #include #include "ae.h" #include "anet.h" #include "sds.h" #include "adlist.h" #include "zmalloc.h" #define REPLY_INT 0 #define REPLY_RETCODE 1 #define REPLY_BULK 2 #define REPLY_MBULK 3 #define CLIENT_CONNECTING 0 #define CLIENT_SENDQUERY 1 #define CLIENT_READREPLY 2 #define MAX_LATENCY 5000 #define REDIS_NOTUSED(V) ((void) V) static struct config { int debug; int numclients; int requests; int liveclients; int donerequests; int keysize; int datasize; int randomkeys; int randomkeys_keyspacelen; aeEventLoop *el; char *hostip; int hostport; int keepalive; long long start; long long totlatency; int *latency; list *clients; int quiet; int loop; int idlemode; } config; typedef struct _client { int state; int fd; sds obuf; sds ibuf; int mbulk; /* Number of elements in an mbulk reply */ int readlen; /* readlen == -1 means read a single line */ int totreceived; unsigned int written; /* bytes of 'obuf' already written */ int replytype; long long start; /* start time in milliseconds */ } *client; /* Prototypes */ static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask); static void createMissingClients(client c); /* Implementation */ static long long mstime(void) { struct timeval tv; long long mst; gettimeofday(&tv, NULL); mst = ((long)tv.tv_sec)*1000; mst += tv.tv_usec/1000; return mst; } static void freeClient(client c) { listNode *ln; aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE); aeDeleteFileEvent(config.el,c->fd,AE_READABLE); sdsfree(c->ibuf); sdsfree(c->obuf); close(c->fd); zfree(c); config.liveclients--; ln = listSearchKey(config.clients,c); assert(ln != NULL); listDelNode(config.clients,ln); } static void freeAllClients(void) { listNode *ln = config.clients->head, *next; while(ln) { next = ln->next; freeClient(ln->value); ln = next; } } static void resetClient(client c) { aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE); aeDeleteFileEvent(config.el,c->fd,AE_READABLE); aeCreateFileEvent(config.el,c->fd, AE_WRITABLE,writeHandler,c); sdsfree(c->ibuf); c->ibuf = sdsempty(); c->readlen = (c->replytype == REPLY_BULK || c->replytype == REPLY_MBULK) ? -1 : 0; c->mbulk = -1; c->written = 0; c->totreceived = 0; c->state = CLIENT_SENDQUERY; c->start = mstime(); createMissingClients(c); } static void randomizeClientKey(client c) { char *p; char buf[32]; long r; p = strstr(c->obuf, "_rand"); if (!p) return; p += 5; r = random() % config.randomkeys_keyspacelen; sprintf(buf,"%ld",r); memcpy(p,buf,strlen(buf)); } static void prepareClientForReply(client c, int type) { if (type == REPLY_BULK) { c->replytype = REPLY_BULK; c->readlen = -1; } else if (type == REPLY_MBULK) { c->replytype = REPLY_MBULK; c->readlen = -1; c->mbulk = -1; } else { c->replytype = type; c->readlen = 0; } } static void clientDone(client c) { static int last_tot_received = 1; long long latency; config.donerequests ++; latency = mstime() - c->start; if (latency > MAX_LATENCY) latency = MAX_LATENCY; config.latency[latency]++; if (config.debug && last_tot_received != c->totreceived) { printf("Tot bytes received: %d\n", c->totreceived); last_tot_received = c->totreceived; } if (config.donerequests == config.requests) { freeClient(c); aeStop(config.el); return; } if (config.keepalive) { resetClient(c); if (config.randomkeys) randomizeClientKey(c); } else { config.liveclients--; createMissingClients(c); config.liveclients++; freeClient(c); } } static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask) { char buf[1024]; int nread; client c = privdata; REDIS_NOTUSED(el); REDIS_NOTUSED(fd); REDIS_NOTUSED(mask); nread = read(c->fd, buf, 1024); if (nread == -1) { fprintf(stderr, "Reading from socket: %s\n", strerror(errno)); freeClient(c); return; } if (nread == 0) { fprintf(stderr, "EOF from client\n"); freeClient(c); return; } c->totreceived += nread; c->ibuf = sdscatlen(c->ibuf,buf,nread); processdata: /* Are we waiting for the first line of the command of for sdf * count in bulk or multi bulk operations? */ if (c->replytype == REPLY_INT || c->replytype == REPLY_RETCODE || (c->replytype == REPLY_BULK && c->readlen == -1) || (c->replytype == REPLY_MBULK && c->readlen == -1) || (c->replytype == REPLY_MBULK && c->mbulk == -1)) { char *p; /* Check if the first line is complete. This is only true if * there is a newline inside the buffer. */ if ((p = strchr(c->ibuf,'\n')) != NULL) { if (c->replytype == REPLY_BULK || (c->replytype == REPLY_MBULK && c->mbulk != -1)) { /* Read the count of a bulk reply (being it a single bulk or * a multi bulk reply). "$" for the protocol spec. */ *p = '\0'; *(p-1) = '\0'; c->readlen = atoi(c->ibuf+1)+2; // printf("BULK ATOI: %s\n", c->ibuf+1); /* Handle null bulk reply "$-1" */ if (c->readlen-2 == -1) { clientDone(c); return; } /* Leave all the rest in the input buffer */ c->ibuf = sdsrange(c->ibuf,(p-c->ibuf)+1,-1); /* fall through to reach the point where the code will try * to check if the bulk reply is complete. */ } else if (c->replytype == REPLY_MBULK && c->mbulk == -1) { /* Read the count of a multi bulk reply. That is, how many * bulk replies we have to read next. "*" protocol. */ *p = '\0'; *(p-1) = '\0'; c->mbulk = atoi(c->ibuf+1); /* Handle null bulk reply "*-1" */ if (c->mbulk == -1) { clientDone(c); return; } // printf("%p) %d elements list\n", c, c->mbulk); /* Leave all the rest in the input buffer */ c->ibuf = sdsrange(c->ibuf,(p-c->ibuf)+1,-1); goto processdata; } else { c->ibuf = sdstrim(c->ibuf,"\r\n"); clientDone(c); return; } } } /* bulk read, did we read everything? */ if (((c->replytype == REPLY_MBULK && c->mbulk != -1) || (c->replytype == REPLY_BULK)) && c->readlen != -1 && (unsigned)c->readlen <= sdslen(c->ibuf)) { // printf("BULKSTATUS mbulk:%d readlen:%d sdslen:%d\n", // c->mbulk,c->readlen,sdslen(c->ibuf)); if (c->replytype == REPLY_BULK) { clientDone(c); } else if (c->replytype == REPLY_MBULK) { // printf("%p) %d (%d)) ",c, c->mbulk, c->readlen); // fwrite(c->ibuf,c->readlen,1,stdout); // printf("\n"); if (--c->mbulk == 0) { clientDone(c); } else { c->ibuf = sdsrange(c->ibuf,c->readlen,-1); c->readlen = -1; goto processdata; } } } } static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) { client c = privdata; REDIS_NOTUSED(el); REDIS_NOTUSED(fd); REDIS_NOTUSED(mask); if (c->state == CLIENT_CONNECTING) { c->state = CLIENT_SENDQUERY; c->start = mstime(); } if (sdslen(c->obuf) > c->written) { void *ptr = c->obuf+c->written; int len = sdslen(c->obuf) - c->written; int nwritten = write(c->fd, ptr, len); if (nwritten == -1) { fprintf(stderr, "Writing to socket: %s\n", strerror(errno)); freeClient(c); return; } c->written += nwritten; if (sdslen(c->obuf) == c->written) { aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE); aeCreateFileEvent(config.el,c->fd,AE_READABLE,readHandler,c); c->state = CLIENT_READREPLY; } } } static client createClient(void) { client c = zmalloc(sizeof(struct _client)); char err[ANET_ERR_LEN]; c->fd = anetTcpNonBlockConnect(err,config.hostip,config.hostport); if (c->fd == ANET_ERR) { zfree(c); fprintf(stderr,"Connect: %s\n",err); return NULL; } anetTcpNoDelay(NULL,c->fd); c->obuf = sdsempty(); c->ibuf = sdsempty(); c->mbulk = -1; c->readlen = 0; c->written = 0; c->totreceived = 0; c->state = CLIENT_CONNECTING; aeCreateFileEvent(config.el, c->fd, AE_WRITABLE, writeHandler, c); config.liveclients++; listAddNodeTail(config.clients,c); return c; } static void createMissingClients(client c) { while(config.liveclients < config.numclients) { client new = createClient(); if (!new) continue; sdsfree(new->obuf); new->obuf = sdsdup(c->obuf); if (config.randomkeys) randomizeClientKey(c); prepareClientForReply(new,c->replytype); } } static void showLatencyReport(char *title) { int j, seen = 0; float perc, reqpersec; reqpersec = (float)config.donerequests/((float)config.totlatency/1000); if (!config.quiet) { printf("====== %s ======\n", title); printf(" %d requests completed in %.2f seconds\n", config.donerequests, (float)config.totlatency/1000); printf(" %d parallel clients\n", config.numclients); printf(" %d bytes payload\n", config.datasize); printf(" keep alive: %d\n", config.keepalive); printf("\n"); for (j = 0; j <= MAX_LATENCY; j++) { if (config.latency[j]) { seen += config.latency[j]; perc = ((float)seen*100)/config.donerequests; printf("%.2f%% <= %d milliseconds\n", perc, j); } } printf("%.2f requests per second\n\n", reqpersec); } else { printf("%s: %.2f requests per second\n", title, reqpersec); } } static void prepareForBenchmark(void) { memset(config.latency,0,sizeof(int)*(MAX_LATENCY+1)); config.start = mstime(); config.donerequests = 0; } static void endBenchmark(char *title) { config.totlatency = mstime()-config.start; showLatencyReport(title); freeAllClients(); } void parseOptions(int argc, char **argv) { int i; for (i = 1; i < argc; i++) { int lastarg = i==argc-1; if (!strcmp(argv[i],"-c") && !lastarg) { config.numclients = atoi(argv[i+1]); i++; } else if (!strcmp(argv[i],"-n") && !lastarg) { config.requests = atoi(argv[i+1]); i++; } else if (!strcmp(argv[i],"-k") && !lastarg) { config.keepalive = atoi(argv[i+1]); i++; } else if (!strcmp(argv[i],"-h") && !lastarg) { char *ip = zmalloc(32); if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) { printf("Can't resolve %s\n", argv[i]); exit(1); } config.hostip = ip; i++; } else if (!strcmp(argv[i],"-p") && !lastarg) { config.hostport = atoi(argv[i+1]); i++; } else if (!strcmp(argv[i],"-d") && !lastarg) { config.datasize = atoi(argv[i+1]); i++; if (config.datasize < 1) config.datasize=1; if (config.datasize > 1024*1024) config.datasize = 1024*1024; } else if (!strcmp(argv[i],"-r") && !lastarg) { config.randomkeys = 1; config.randomkeys_keyspacelen = atoi(argv[i+1]); if (config.randomkeys_keyspacelen < 0) config.randomkeys_keyspacelen = 0; i++; } else if (!strcmp(argv[i],"-q")) { config.quiet = 1; } else if (!strcmp(argv[i],"-l")) { config.loop = 1; } else if (!strcmp(argv[i],"-D")) { config.debug = 1; } else if (!strcmp(argv[i],"-I")) { config.idlemode = 1; } else { printf("Wrong option '%s' or option argument missing\n\n",argv[i]); printf("Usage: redis-benchmark [-h ] [-p ] [-c ] [-n [-k ]\n\n"); printf(" -h Server hostname (default 127.0.0.1)\n"); printf(" -p Server port (default 6379)\n"); printf(" -c Number of parallel connections (default 50)\n"); printf(" -n Total number of requests (default 10000)\n"); printf(" -d Data size of SET/GET value in bytes (default 2)\n"); printf(" -k 1=keep alive 0=reconnect (default 1)\n"); printf(" -r Use random keys for SET/GET/INCR\n"); printf(" Using this option the benchmark will get/set keys\n"); printf(" in the form mykey_rand000000012456 instead of constant\n"); printf(" keys, the argument determines the max\n"); printf(" number of values for the random number. For instance\n"); printf(" if set to 10 only rand000000000000 - rand000000000009\n"); printf(" range will be allowed.\n"); printf(" -q Quiet. Just show query/sec values\n"); printf(" -l Loop. Run the tests forever\n"); printf(" -I Idle mode. Just open N idle connections and wait.\n"); printf(" -D Debug mode. more verbose.\n"); exit(1); } } } int main(int argc, char **argv) { client c; signal(SIGHUP, SIG_IGN); signal(SIGPIPE, SIG_IGN); config.debug = 0; config.numclients = 50; config.requests = 10000; config.liveclients = 0; config.el = aeCreateEventLoop(); config.keepalive = 1; config.donerequests = 0; config.datasize = 3; config.randomkeys = 0; config.randomkeys_keyspacelen = 0; config.quiet = 0; config.loop = 0; config.idlemode = 0; config.latency = NULL; config.clients = listCreate(); config.latency = zmalloc(sizeof(int)*(MAX_LATENCY+1)); config.hostip = "127.0.0.1"; config.hostport = 6379; parseOptions(argc,argv); if (config.keepalive == 0) { printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' for Linux and 'sudo sysctl -w net.inet.tcp.msl=1000' for Mac OS X in order to use a lot of clients/requests\n"); } if (config.idlemode) { printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdsempty(); prepareClientForReply(c,REPLY_RETCODE); /* will never receive it */ createMissingClients(c); aeMain(config.el); /* and will wait for every */ } do { prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscatprintf(c->obuf,"SET foo_rand000000000000 %d\r\n",config.datasize); { char *data = zmalloc(config.datasize+2); memset(data,'x',config.datasize); data[config.datasize] = '\r'; data[config.datasize+1] = '\n'; c->obuf = sdscatlen(c->obuf,data,config.datasize+2); } prepareClientForReply(c,REPLY_RETCODE); createMissingClients(c); aeMain(config.el); endBenchmark("SET"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"GET foo_rand000000000000\r\n"); prepareClientForReply(c,REPLY_BULK); createMissingClients(c); aeMain(config.el); endBenchmark("GET"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"INCR counter_rand000000000000\r\n"); prepareClientForReply(c,REPLY_INT); createMissingClients(c); aeMain(config.el); endBenchmark("INCR"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n"); prepareClientForReply(c,REPLY_INT); createMissingClients(c); aeMain(config.el); endBenchmark("LPUSH"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"LPOP mylist\r\n"); prepareClientForReply(c,REPLY_BULK); createMissingClients(c); aeMain(config.el); endBenchmark("LPOP"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"PING\r\n"); prepareClientForReply(c,REPLY_RETCODE); createMissingClients(c); aeMain(config.el); endBenchmark("PING"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n"); prepareClientForReply(c,REPLY_RETCODE); createMissingClients(c); aeMain(config.el); endBenchmark("LPUSH (again, in order to bench LRANGE)"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"LRANGE mylist 0 99\r\n"); prepareClientForReply(c,REPLY_MBULK); createMissingClients(c); aeMain(config.el); endBenchmark("LRANGE (first 100 elements)"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"LRANGE mylist 0 299\r\n"); prepareClientForReply(c,REPLY_MBULK); createMissingClients(c); aeMain(config.el); endBenchmark("LRANGE (first 300 elements)"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"LRANGE mylist 0 449\r\n"); prepareClientForReply(c,REPLY_MBULK); createMissingClients(c); aeMain(config.el); endBenchmark("LRANGE (first 450 elements)"); prepareForBenchmark(); c = createClient(); if (!c) exit(1); c->obuf = sdscat(c->obuf,"LRANGE mylist 0 599\r\n"); prepareClientForReply(c,REPLY_MBULK); createMissingClients(c); aeMain(config.el); endBenchmark("LRANGE (first 600 elements)"); printf("\n"); } while(config.loop); return 0; }