src/redis-benchmark.c

   1 /* Redis benchmark utility.
   2  *
   3  * Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  *   * Redistributions of source code must retain the above copyright notice,
  10  *     this list of conditions and the following disclaimer.
  11  *   * Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *   * Neither the name of Redis nor the names of its contributors may be used
  15  *     to endorse or promote products derived from this software without
  16  *     specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "fmacros.h"
  32
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36 #include <unistd.h>
  37 #include <errno.h>
  38 #include <sys/time.h>
  39 #include <signal.h>
  40 #include <assert.h>
  41
  42 #include "ae.h"
  43 #include "anet.h"
  44 #include "sds.h"
  45 #include "adlist.h"
  46 #include "zmalloc.h"
  47
  48 #define REPLY_INT 0
  49 #define REPLY_RETCODE 1
  50 #define REPLY_BULK 2
  51 #define REPLY_MBULK 3
  52
  53 #define CLIENT_CONNECTING 0
  54 #define CLIENT_SENDQUERY 1
  55 #define CLIENT_READREPLY 2
  56
  57 #define MAX_LATENCY 5000
  58
  59 #define REDIS_NOTUSED(V) ((void) V)
  60
  61 static struct config {
  62     int debug;
  63     int numclients;
  64     int requests;
  65     int liveclients;
  66     int donerequests;
  67     int keysize;
  68     int datasize;
  69     int randomkeys;
  70     int randomkeys_keyspacelen;
  71     aeEventLoop *el;
  72     char *hostip;
  73     int hostport;
  74     char *hostsocket;
  75     int keepalive;
  76     long long start;
  77     long long totlatency;
  78     int *latency;
  79     list *clients;
  80     int quiet;
  81     int loop;
  82     int idlemode;
  83 } config;
  84
  85 typedef struct _client {
  86     int state;
  87     int fd;
  88     sds obuf;
  89     sds ibuf;
  90     int mbulk;          /* Number of elements in an mbulk reply */
  91     int readlen;        /* readlen == -1 means read a single line */
  92     int totreceived;
  93     unsigned int written;        /* bytes of 'obuf' already written */
  94     int replytype;
  95     long long start;    /* start time in milliseconds */
  96 } *client;
  97
  98 /* Prototypes */
  99 static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask);
 100 static void createMissingClients(client c);
 101
 102 /* Implementation */
 103 static long long mstime(void) {
 104     struct timeval tv;
 105     long long mst;
 106
 107     gettimeofday(&tv, NULL);
 108     mst = ((long)tv.tv_sec)*1000;
 109     mst += tv.tv_usec/1000;
 110     return mst;
 111 }
 112
 113 static void freeClient(client c) {
 114     listNode *ln;
 115
 116     aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
 117     aeDeleteFileEvent(config.el,c->fd,AE_READABLE);
 118     sdsfree(c->ibuf);
 119     sdsfree(c->obuf);
 120     close(c->fd);
 121     zfree(c);
 122     config.liveclients--;
 123     ln = listSearchKey(config.clients,c);
 124     assert(ln != NULL);
 125     listDelNode(config.clients,ln);
 126 }
 127
 128 static void freeAllClients(void) {
 129     listNode *ln = config.clients->head, *next;
 130
 131     while(ln) {
 132         next = ln->next;
 133         freeClient(ln->value);
 134         ln = next;
 135     }
 136 }
 137
 138 static void resetClient(client c) {
 139     aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
 140     aeDeleteFileEvent(config.el,c->fd,AE_READABLE);
 141     aeCreateFileEvent(config.el,c->fd, AE_WRITABLE,writeHandler,c);
 142     sdsfree(c->ibuf);
 143     c->ibuf = sdsempty();
 144     c->readlen = (c->replytype == REPLY_BULK ||
 145                   c->replytype == REPLY_MBULK) ? -1 : 0;
 146     c->mbulk = -1;
 147     c->written = 0;
 148     c->totreceived = 0;
 149     c->state = CLIENT_SENDQUERY;
 150     c->start = mstime();
 151     createMissingClients(c);
 152 }
 153
 154 static void randomizeClientKey(client c) {
 155     char *p;
 156     char buf[32];
 157     long r;
 158
 159     p = strstr(c->obuf, "_rand");
 160     if (!p) return;
 161     p += 5;
 162     r = random() % config.randomkeys_keyspacelen;
 163     sprintf(buf,"%ld",r);
 164     memcpy(p,buf,strlen(buf));
 165 }
 166
 167 static void prepareClientForReply(client c, int type) {
 168     if (type == REPLY_BULK) {
 169         c->replytype = REPLY_BULK;
 170         c->readlen = -1;
 171     } else if (type == REPLY_MBULK) {
 172         c->replytype = REPLY_MBULK;
 173         c->readlen = -1;
 174         c->mbulk = -1;
 175     } else {
 176         c->replytype = type;
 177         c->readlen = 0;
 178     }
 179 }
 180
 181 static void clientDone(client c) {
 182     static int last_tot_received = 1;
 183
 184     long long latency;
 185     config.donerequests ++;
 186     latency = mstime() - c->start;
 187     if (latency > MAX_LATENCY) latency = MAX_LATENCY;
 188     config.latency[latency]++;
 189
 190     if (config.debug && last_tot_received != c->totreceived) {
 191         printf("Tot bytes received: %d\n", c->totreceived);
 192         last_tot_received = c->totreceived;
 193     }
 194     if (config.donerequests == config.requests) {
 195         freeClient(c);
 196         aeStop(config.el);
 197         return;
 198     }
 199     if (config.keepalive) {
 200         resetClient(c);
 201         if (config.randomkeys) randomizeClientKey(c);
 202     } else {
 203         config.liveclients--;
 204         createMissingClients(c);
 205         config.liveclients++;
 206         freeClient(c);
 207     }
 208 }
 209
 210 static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask)
 211 {
 212     char buf[1024];
 213     int nread;
 214     client c = privdata;
 215     REDIS_NOTUSED(el);
 216     REDIS_NOTUSED(fd);
 217     REDIS_NOTUSED(mask);
 218
 219     nread = read(c->fd, buf, 1024);
 220     if (nread == -1) {
 221         fprintf(stderr, "Reading from socket: %s\n", strerror(errno));
 222         freeClient(c);
 223         return;
 224     }
 225     if (nread == 0) {
 226         fprintf(stderr, "EOF from client\n");
 227         freeClient(c);
 228         return;
 229     }
 230     c->totreceived += nread;
 231     c->ibuf = sdscatlen(c->ibuf,buf,nread);
 232
 233 processdata:
 234     /* Are we waiting for the first line of the command of for  sdf
 235      * count in bulk or multi bulk operations? */
 236     if (c->replytype == REPLY_INT ||
 237         c->replytype == REPLY_RETCODE ||
 238         (c->replytype == REPLY_BULK && c->readlen == -1) ||
 239         (c->replytype == REPLY_MBULK && c->readlen == -1) ||
 240         (c->replytype == REPLY_MBULK && c->mbulk == -1)) {
 241         char *p;
 242
 243         /* Check if the first line is complete. This is only true if
 244          * there is a newline inside the buffer. */
 245         if ((p = strchr(c->ibuf,'\n')) != NULL) {
 246             if (c->replytype == REPLY_BULK ||
 247                 (c->replytype == REPLY_MBULK && c->mbulk != -1))
 248             {
 249                 /* Read the count of a bulk reply (being it a single bulk or
 250                  * a multi bulk reply). "$<count>" for the protocol spec. */
 251                 *p = '\0';
 252                 *(p-1) = '\0';
 253                 c->readlen = atoi(c->ibuf+1)+2;
 254                 // printf("BULK ATOI: %s\n", c->ibuf+1);
 255                 /* Handle null bulk reply "$-1" */
 256                 if (c->readlen-2 == -1) {
 257                     clientDone(c);
 258                     return;
 259                 }
 260                 /* Leave all the rest in the input buffer */
 261                 c->ibuf = sdsrange(c->ibuf,(p-c->ibuf)+1,-1);
 262                 /* fall through to reach the point where the code will try
 263                  * to check if the bulk reply is complete. */
 264             } else if (c->replytype == REPLY_MBULK && c->mbulk == -1) {
 265                 /* Read the count of a multi bulk reply. That is, how many
 266                  * bulk replies we have to read next. "*<count>" protocol. */
 267                 *p = '\0';
 268                 *(p-1) = '\0';
 269                 c->mbulk = atoi(c->ibuf+1);
 270                 /* Handle null bulk reply "*-1" */
 271                 if (c->mbulk == -1) {
 272                     clientDone(c);
 273                     return;
 274                 }
 275                 // printf("%p) %d elements list\n", c, c->mbulk);
 276                 /* Leave all the rest in the input buffer */
 277                 c->ibuf = sdsrange(c->ibuf,(p-c->ibuf)+1,-1);
 278                 goto processdata;
 279             } else {
 280                 c->ibuf = sdstrim(c->ibuf,"\r\n");
 281                 clientDone(c);
 282                 return;
 283             }
 284         }
 285     }
 286     /* bulk read, did we read everything? */
 287     if (((c->replytype == REPLY_MBULK && c->mbulk != -1) ||
 288          (c->replytype == REPLY_BULK)) && c->readlen != -1 &&
 289           (unsigned)c->readlen <= sdslen(c->ibuf))
 290     {
 291         // printf("BULKSTATUS mbulk:%d readlen:%d sdslen:%d\n",
 292         //    c->mbulk,c->readlen,sdslen(c->ibuf));
 293         if (c->replytype == REPLY_BULK) {
 294             clientDone(c);
 295         } else if (c->replytype == REPLY_MBULK) {
 296             // printf("%p) %d (%d)) ",c, c->mbulk, c->readlen);
 297             // fwrite(c->ibuf,c->readlen,1,stdout);
 298             // printf("\n");
 299             if (--c->mbulk == 0) {
 300                 clientDone(c);
 301             } else {
 302                 c->ibuf = sdsrange(c->ibuf,c->readlen,-1);
 303                 c->readlen = -1;
 304                 goto processdata;
 305             }
 306         }
 307     }
 308 }
 309
 310 static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask)
 311 {
 312     client c = privdata;
 313     REDIS_NOTUSED(el);
 314     REDIS_NOTUSED(fd);
 315     REDIS_NOTUSED(mask);
 316
 317     if (c->state == CLIENT_CONNECTING) {
 318         c->state = CLIENT_SENDQUERY;
 319         c->start = mstime();
 320     }
 321     if (sdslen(c->obuf) > c->written) {
 322         void *ptr = c->obuf+c->written;
 323         int len = sdslen(c->obuf) - c->written;
 324         int nwritten = write(c->fd, ptr, len);
 325         if (nwritten == -1) {
 326             if (errno != EPIPE)
 327                 fprintf(stderr, "Writing to socket: %s\n", strerror(errno));
 328             freeClient(c);
 329             return;
 330         }
 331         c->written += nwritten;
 332         if (sdslen(c->obuf) == c->written) {
 333             aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
 334             aeCreateFileEvent(config.el,c->fd,AE_READABLE,readHandler,c);
 335             c->state = CLIENT_READREPLY;
 336         }
 337     }
 338 }
 339
 340 static client createClient(void) {
 341     client c = zmalloc(sizeof(struct _client));
 342     char err[ANET_ERR_LEN];
 343
 344     if (config.hostsocket == NULL)
 345         c->fd = anetTcpNonBlockConnect(err,config.hostip,config.hostport);
 346     else
 347         c->fd = anetUnixNonBlockConnect(err,config.hostsocket);
 348
 349     if (c->fd == ANET_ERR) {
 350         zfree(c);
 351         fprintf(stderr,"Connect: %s\n",err);
 352         return NULL;
 353     }
 354     anetTcpNoDelay(NULL,c->fd);
 355     c->obuf = sdsempty();
 356     c->ibuf = sdsempty();
 357     c->mbulk = -1;
 358     c->readlen = 0;
 359     c->written = 0;
 360     c->totreceived = 0;
 361     c->state = CLIENT_CONNECTING;
 362     aeCreateFileEvent(config.el, c->fd, AE_WRITABLE, writeHandler, c);
 363     config.liveclients++;
 364     listAddNodeTail(config.clients,c);
 365     return c;
 366 }
 367
 368 static void createMissingClients(client c) {
 369     while(config.liveclients < config.numclients) {
 370         client new = createClient();
 371         if (!new) continue;
 372         sdsfree(new->obuf);
 373         new->obuf = sdsdup(c->obuf);
 374         if (config.randomkeys) randomizeClientKey(c);
 375         prepareClientForReply(new,c->replytype);
 376     }
 377 }
 378
 379 static void showLatencyReport(char *title) {
 380     int j, seen = 0;
 381     float perc, reqpersec;
 382
 383     reqpersec = (float)config.donerequests/((float)config.totlatency/1000);
 384     if (!config.quiet) {
 385         printf("====== %s ======\n", title);
 386         printf("  %d requests completed in %.2f seconds\n", config.donerequests,
 387             (float)config.totlatency/1000);
 388         printf("  %d parallel clients\n", config.numclients);
 389         printf("  %d bytes payload\n", config.datasize);
 390         printf("  keep alive: %d\n", config.keepalive);
 391         printf("\n");
 392         for (j = 0; j <= MAX_LATENCY; j++) {
 393             if (config.latency[j]) {
 394                 seen += config.latency[j];
 395                 perc = ((float)seen*100)/config.donerequests;
 396                 printf("%.2f%% <= %d milliseconds\n", perc, j);
 397             }
 398         }
 399         printf("%.2f requests per second\n\n", reqpersec);
 400     } else {
 401         printf("%s: %.2f requests per second\n", title, reqpersec);
 402     }
 403 }
 404
 405 static void prepareForBenchmark(void)
 406 {
 407     memset(config.latency,0,sizeof(int)*(MAX_LATENCY+1));
 408     config.start = mstime();
 409     config.donerequests = 0;
 410 }
 411
 412 static void endBenchmark(char *title) {
 413     config.totlatency = mstime()-config.start;
 414     showLatencyReport(title);
 415     freeAllClients();
 416 }
 417
 418 void parseOptions(int argc, char **argv) {
 419     int i;
 420
 421     for (i = 1; i < argc; i++) {
 422         int lastarg = i==argc-1;
 423
 424         if (!strcmp(argv[i],"-c") && !lastarg) {
 425             config.numclients = atoi(argv[i+1]);
 426             i++;
 427         } else if (!strcmp(argv[i],"-n") && !lastarg) {
 428             config.requests = atoi(argv[i+1]);
 429             i++;
 430         } else if (!strcmp(argv[i],"-k") && !lastarg) {
 431             config.keepalive = atoi(argv[i+1]);
 432             i++;
 433         } else if (!strcmp(argv[i],"-h") && !lastarg) {
 434             char *ip = zmalloc(32);
 435             if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) {
 436                 printf("Can't resolve %s\n", argv[i]);
 437                 exit(1);
 438             }
 439             config.hostip = ip;
 440             i++;
 441         } else if (!strcmp(argv[i],"-p") && !lastarg) {
 442             config.hostport = atoi(argv[i+1]);
 443             i++;
 444         } else if (!strcmp(argv[i],"-s") && !lastarg) {
 445             config.hostsocket = argv[i+1];
 446             i++;
 447         } else if (!strcmp(argv[i],"-d") && !lastarg) {
 448             config.datasize = atoi(argv[i+1]);
 449             i++;
 450             if (config.datasize < 1) config.datasize=1;
 451             if (config.datasize > 1024*1024) config.datasize = 1024*1024;
 452         } else if (!strcmp(argv[i],"-r") && !lastarg) {
 453             config.randomkeys = 1;
 454             config.randomkeys_keyspacelen = atoi(argv[i+1]);
 455             if (config.randomkeys_keyspacelen < 0)
 456                 config.randomkeys_keyspacelen = 0;
 457             i++;
 458         } else if (!strcmp(argv[i],"-q")) {
 459             config.quiet = 1;
 460         } else if (!strcmp(argv[i],"-l")) {
 461             config.loop = 1;
 462         } else if (!strcmp(argv[i],"-D")) {
 463             config.debug = 1;
 464         } else if (!strcmp(argv[i],"-I")) {
 465             config.idlemode = 1;
 466         } else {
 467             printf("Wrong option '%s' or option argument missing\n\n",argv[i]);
 468             printf("Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests]> [-k <boolean>]\n\n");
 469             printf(" -h <hostname>      Server hostname (default 127.0.0.1)\n");
 470             printf(" -p <port>          Server port (default 6379)\n");
 471             printf(" -s <socket>        Server socket (overrides host and port)\n");
 472             printf(" -c <clients>       Number of parallel connections (default 50)\n");
 473             printf(" -n <requests>      Total number of requests (default 10000)\n");
 474             printf(" -d <size>          Data size of SET/GET value in bytes (default 2)\n");
 475             printf(" -k <boolean>       1=keep alive 0=reconnect (default 1)\n");
 476             printf(" -r <keyspacelen>   Use random keys for SET/GET/INCR, random values for SADD\n");
 477             printf("  Using this option the benchmark will get/set keys\n");
 478             printf("  in the form mykey_rand000000012456 instead of constant\n");
 479             printf("  keys, the <keyspacelen> argument determines the max\n");
 480             printf("  number of values for the random number. For instance\n");
 481             printf("  if set to 10 only rand000000000000 - rand000000000009\n");
 482             printf("  range will be allowed.\n");
 483             printf(" -q                 Quiet. Just show query/sec values\n");
 484             printf(" -l                 Loop. Run the tests forever\n");
 485             printf(" -I                 Idle mode. Just open N idle connections and wait.\n");
 486             printf(" -D                 Debug mode. more verbose.\n");
 487             exit(1);
 488         }
 489     }
 490 }
 491
 492 int main(int argc, char **argv) {
 493     client c;
 494
 495     signal(SIGHUP, SIG_IGN);
 496     signal(SIGPIPE, SIG_IGN);
 497
 498     config.debug = 0;
 499     config.numclients = 50;
 500     config.requests = 10000;
 501     config.liveclients = 0;
 502     config.el = aeCreateEventLoop();
 503     config.keepalive = 1;
 504     config.donerequests = 0;
 505     config.datasize = 3;
 506     config.randomkeys = 0;
 507     config.randomkeys_keyspacelen = 0;
 508     config.quiet = 0;
 509     config.loop = 0;
 510     config.idlemode = 0;
 511     config.latency = NULL;
 512     config.clients = listCreate();
 513     config.latency = zmalloc(sizeof(int)*(MAX_LATENCY+1));
 514
 515     config.hostip = "127.0.0.1";
 516     config.hostport = 6379;
 517     config.hostsocket = NULL;
 518
 519     parseOptions(argc,argv);
 520
 521     if (config.keepalive == 0) {
 522         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");
 523     }
 524
 525     if (config.idlemode) {
 526         printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients);
 527         prepareForBenchmark();
 528         c = createClient();
 529         if (!c) exit(1);
 530         c->obuf = sdsempty();
 531         prepareClientForReply(c,REPLY_RETCODE); /* will never receive it */
 532         createMissingClients(c);
 533         aeMain(config.el);
 534         /* and will wait for every */
 535     }
 536
 537     do {
 538         prepareForBenchmark();
 539         c = createClient();
 540         if (!c) exit(1);
 541         c->obuf = sdscat(c->obuf,"PING\r\n");
 542         prepareClientForReply(c,REPLY_RETCODE);
 543         createMissingClients(c);
 544         aeMain(config.el);
 545         endBenchmark("PING");
 546
 547         prepareForBenchmark();
 548         c = createClient();
 549         if (!c) exit(1);
 550         c->obuf = sdscat(c->obuf,"*1\r\n$4\r\nPING\r\n");
 551         prepareClientForReply(c,REPLY_RETCODE);
 552         createMissingClients(c);
 553         aeMain(config.el);
 554         endBenchmark("PING (multi bulk)");
 555
 556         prepareForBenchmark();
 557         c = createClient();
 558         if (!c) exit(1);
 559         c->obuf = sdscatprintf(c->obuf,"SET foo_rand000000000000 %d\r\n",config.datasize);
 560         {
 561             char *data = zmalloc(config.datasize+2);
 562             memset(data,'x',config.datasize);
 563             data[config.datasize] = '\r';
 564             data[config.datasize+1] = '\n';
 565             c->obuf = sdscatlen(c->obuf,data,config.datasize+2);
 566         }
 567         prepareClientForReply(c,REPLY_RETCODE);
 568         createMissingClients(c);
 569         aeMain(config.el);
 570         endBenchmark("SET");
 571
 572         prepareForBenchmark();
 573         c = createClient();
 574         if (!c) exit(1);
 575         c->obuf = sdscat(c->obuf,"GET foo_rand000000000000\r\n");
 576         prepareClientForReply(c,REPLY_BULK);
 577         createMissingClients(c);
 578         aeMain(config.el);
 579         endBenchmark("GET");
 580
 581         prepareForBenchmark();
 582         c = createClient();
 583         if (!c) exit(1);
 584         c->obuf = sdscat(c->obuf,"INCR counter_rand000000000000\r\n");
 585         prepareClientForReply(c,REPLY_INT);
 586         createMissingClients(c);
 587         aeMain(config.el);
 588         endBenchmark("INCR");
 589
 590         prepareForBenchmark();
 591         c = createClient();
 592         if (!c) exit(1);
 593         c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n");
 594         prepareClientForReply(c,REPLY_INT);
 595         createMissingClients(c);
 596         aeMain(config.el);
 597         endBenchmark("LPUSH");
 598
 599         prepareForBenchmark();
 600         c = createClient();
 601         if (!c) exit(1);
 602         c->obuf = sdscat(c->obuf,"LPOP mylist\r\n");
 603         prepareClientForReply(c,REPLY_BULK);
 604         createMissingClients(c);
 605         aeMain(config.el);
 606         endBenchmark("LPOP");
 607
 608         prepareForBenchmark();
 609         c = createClient();
 610         if (!c) exit(1);
 611         c->obuf = sdscat(c->obuf,"SADD myset 24\r\ncounter_rand000000000000\r\n");
 612         prepareClientForReply(c,REPLY_RETCODE);
 613         createMissingClients(c);
 614         aeMain(config.el);
 615         endBenchmark("SADD");
 616
 617         prepareForBenchmark();
 618         c = createClient();
 619         if (!c) exit(1);
 620         c->obuf = sdscat(c->obuf,"SPOP myset\r\n");
 621         prepareClientForReply(c,REPLY_BULK);
 622         createMissingClients(c);
 623         aeMain(config.el);
 624         endBenchmark("SPOP");
 625
 626         prepareForBenchmark();
 627         c = createClient();
 628         if (!c) exit(1);
 629         c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n");
 630         prepareClientForReply(c,REPLY_RETCODE);
 631         createMissingClients(c);
 632         aeMain(config.el);
 633         endBenchmark("LPUSH (again, in order to bench LRANGE)");
 634
 635         prepareForBenchmark();
 636         c = createClient();
 637         if (!c) exit(1);
 638         c->obuf = sdscat(c->obuf,"LRANGE mylist 0 99\r\n");
 639         prepareClientForReply(c,REPLY_MBULK);
 640         createMissingClients(c);
 641         aeMain(config.el);
 642         endBenchmark("LRANGE (first 100 elements)");
 643
 644         prepareForBenchmark();
 645         c = createClient();
 646         if (!c) exit(1);
 647         c->obuf = sdscat(c->obuf,"LRANGE mylist 0 299\r\n");
 648         prepareClientForReply(c,REPLY_MBULK);
 649         createMissingClients(c);
 650         aeMain(config.el);
 651         endBenchmark("LRANGE (first 300 elements)");
 652
 653         prepareForBenchmark();
 654         c = createClient();
 655         if (!c) exit(1);
 656         c->obuf = sdscat(c->obuf,"LRANGE mylist 0 449\r\n");
 657         prepareClientForReply(c,REPLY_MBULK);
 658         createMissingClients(c);
 659         aeMain(config.el);
 660         endBenchmark("LRANGE (first 450 elements)");
 661
 662         prepareForBenchmark();
 663         c = createClient();
 664         if (!c) exit(1);
 665         c->obuf = sdscat(c->obuf,"LRANGE mylist 0 599\r\n");
 666         prepareClientForReply(c,REPLY_MBULK);
 667         createMissingClients(c);
 668         aeMain(config.el);
 669         endBenchmark("LRANGE (first 600 elements)");
 670
 671         printf("\n");
 672     } while(config.loop);
 673
 674     return 0;
 675 }