mirror of
https://github.com/fluencelabs/redis
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first commit
This commit is contained in:
antirez
460
benchmark.c
Normal file
460
benchmark.c
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@ -0,0 +1,460 @@
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/* Redis benchmark utility.
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*
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* Copyright (c) 2006-2009, Salvatore Sanfilippo <antirez at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <signal.h>
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#include <assert.h>
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#include "ae.h"
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#include "anet.h"
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#include "sds.h"
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#include "adlist.h"
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#include "zmalloc.h"
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#define REPLY_INT 0
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#define REPLY_RETCODE 1
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#define REPLY_BULK 2
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#define CLIENT_CONNECTING 0
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#define CLIENT_SENDQUERY 1
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#define CLIENT_READREPLY 2
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#define MAX_LATENCY 5000
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#define REDIS_NOTUSED(V) ((void) V)
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static struct config {
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int numclients;
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int requests;
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int liveclients;
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int donerequests;
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int keysize;
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int datasize;
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aeEventLoop *el;
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char *hostip;
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int hostport;
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int keepalive;
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long long start;
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long long totlatency;
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int *latency;
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list *clients;
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int quiet;
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int loop;
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} config;
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typedef struct _client {
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int state;
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int fd;
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sds obuf;
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sds ibuf;
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int readlen; /* readlen == -1 means read a single line */
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unsigned int written; /* bytes of 'obuf' already written */
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int replytype;
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long long start; /* start time in milliseconds */
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} *client;
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/* Prototypes */
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static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask);
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static void createMissingClients(client c);
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/* Implementation */
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static long long mstime(void) {
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struct timeval tv;
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long long mst;
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gettimeofday(&tv, NULL);
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mst = ((long)tv.tv_sec)*1000;
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mst += tv.tv_usec/1000;
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return mst;
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}
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static void freeClient(client c) {
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listNode *ln;
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aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
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aeDeleteFileEvent(config.el,c->fd,AE_READABLE);
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sdsfree(c->ibuf);
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sdsfree(c->obuf);
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close(c->fd);
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zfree(c);
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config.liveclients--;
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ln = listSearchKey(config.clients,c);
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assert(ln != NULL);
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listDelNode(config.clients,ln);
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}
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static void freeAllClients(void) {
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listNode *ln = config.clients->head, *next;
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while(ln) {
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next = ln->next;
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freeClient(ln->value);
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ln = next;
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}
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}
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static void resetClient(client c) {
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aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
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aeDeleteFileEvent(config.el,c->fd,AE_READABLE);
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aeCreateFileEvent(config.el,c->fd, AE_WRITABLE,writeHandler,c,NULL);
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sdsfree(c->ibuf);
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c->ibuf = sdsempty();
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c->readlen = (c->replytype == REPLY_BULK) ? -1 : 0;
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c->written = 0;
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c->state = CLIENT_SENDQUERY;
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c->start = mstime();
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}
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static void clientDone(client c) {
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long long latency;
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config.donerequests ++;
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latency = mstime() - c->start;
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if (latency > MAX_LATENCY) latency = MAX_LATENCY;
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config.latency[latency]++;
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if (config.donerequests == config.requests) {
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freeClient(c);
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aeStop(config.el);
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return;
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}
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if (config.keepalive) {
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resetClient(c);
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} else {
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config.liveclients--;
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createMissingClients(c);
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config.liveclients++;
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freeClient(c);
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}
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}
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static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask)
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{
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char buf[1024];
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int nread;
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client c = privdata;
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REDIS_NOTUSED(el);
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REDIS_NOTUSED(fd);
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REDIS_NOTUSED(mask);
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nread = read(c->fd, buf, 1024);
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if (nread == -1) {
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fprintf(stderr, "Reading from socket: %s\n", strerror(errno));
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freeClient(c);
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return;
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}
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if (nread == 0) {
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fprintf(stderr, "EOF from client\n");
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freeClient(c);
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return;
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}
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c->ibuf = sdscatlen(c->ibuf,buf,nread);
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if (c->replytype == REPLY_INT ||
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c->replytype == REPLY_RETCODE ||
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(c->replytype == REPLY_BULK && c->readlen == -1)) {
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char *p;
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if ((p = strchr(c->ibuf,'\n')) != NULL) {
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if (c->replytype == REPLY_BULK) {
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*p = '\0';
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*(p-1) = '\0';
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if (memcmp(c->ibuf,"nil",3) == 0) {
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clientDone(c);
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return;
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}
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c->readlen = atoi(c->ibuf)+2;
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c->ibuf = sdsrange(c->ibuf,(p-c->ibuf)+1,-1);
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} else {
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c->ibuf = sdstrim(c->ibuf,"\r\n");
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clientDone(c);
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return;
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}
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}
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}
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/* bulk read */
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if ((unsigned)c->readlen == sdslen(c->ibuf))
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clientDone(c);
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}
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static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask)
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{
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client c = privdata;
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REDIS_NOTUSED(el);
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REDIS_NOTUSED(fd);
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REDIS_NOTUSED(mask);
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if (c->state == CLIENT_CONNECTING) {
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c->state = CLIENT_SENDQUERY;
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c->start = mstime();
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}
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if (sdslen(c->obuf) > c->written) {
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void *ptr = c->obuf+c->written;
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int len = sdslen(c->obuf) - c->written;
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int nwritten = write(c->fd, ptr, len);
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if (nwritten == -1) {
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fprintf(stderr, "Writing to socket: %s\n", strerror(errno));
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freeClient(c);
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return;
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}
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c->written += nwritten;
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if (sdslen(c->obuf) == c->written) {
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aeDeleteFileEvent(config.el,c->fd,AE_WRITABLE);
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aeCreateFileEvent(config.el,c->fd,AE_READABLE,readHandler,c,NULL);
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c->state = CLIENT_READREPLY;
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}
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}
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}
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static client createClient(void) {
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client c = zmalloc(sizeof(struct _client));
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char err[ANET_ERR_LEN];
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c->fd = anetTcpNonBlockConnect(err,config.hostip,config.hostport);
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if (c->fd == ANET_ERR) {
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zfree(c);
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fprintf(stderr,"Connect: %s\n",err);
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return NULL;
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}
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anetTcpNoDelay(NULL,c->fd);
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c->obuf = sdsempty();
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c->ibuf = sdsempty();
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c->readlen = 0;
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c->written = 0;
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c->state = CLIENT_CONNECTING;
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aeCreateFileEvent(config.el, c->fd, AE_WRITABLE, writeHandler, c, NULL);
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config.liveclients++;
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listAddNodeTail(config.clients,c);
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return c;
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}
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static void createMissingClients(client c) {
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while(config.liveclients < config.numclients) {
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client new = createClient();
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if (!new) continue;
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sdsfree(new->obuf);
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new->obuf = sdsdup(c->obuf);
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new->replytype = c->replytype;
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if (c->replytype == REPLY_BULK)
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new->readlen = -1;
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}
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}
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static void showLatencyReport(char *title) {
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int j, seen = 0;
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float perc, reqpersec;
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reqpersec = (float)config.donerequests/((float)config.totlatency/1000);
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if (!config.quiet) {
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printf("====== %s ======\n", title);
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printf(" %d requests completed in %.2f seconds\n", config.donerequests,
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(float)config.totlatency/1000);
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printf(" %d parallel clients\n", config.numclients);
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printf(" %d bytes payload\n", config.datasize);
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printf(" keep alive: %d\n", config.keepalive);
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printf("\n");
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for (j = 0; j <= MAX_LATENCY; j++) {
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if (config.latency[j]) {
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seen += config.latency[j];
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perc = ((float)seen*100)/config.donerequests;
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printf("%.2f%% <= %d milliseconds\n", perc, j);
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}
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}
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printf("%.2f requests per second\n\n", reqpersec);
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} else {
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printf("%s: %.2f requests per second\n", title, reqpersec);
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}
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}
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static void prepareForBenchmark(void)
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{
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memset(config.latency,0,sizeof(int)*(MAX_LATENCY+1));
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config.start = mstime();
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config.donerequests = 0;
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}
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static void endBenchmark(char *title) {
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config.totlatency = mstime()-config.start;
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showLatencyReport(title);
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freeAllClients();
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}
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void parseOptions(int argc, char **argv) {
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int i;
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for (i = 1; i < argc; i++) {
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int lastarg = i==argc-1;
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if (!strcmp(argv[i],"-c") && !lastarg) {
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config.numclients = atoi(argv[i+1]);
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i++;
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} else if (!strcmp(argv[i],"-n") && !lastarg) {
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config.requests = atoi(argv[i+1]);
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i++;
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} else if (!strcmp(argv[i],"-k") && !lastarg) {
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config.keepalive = atoi(argv[i+1]);
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i++;
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} else if (!strcmp(argv[i],"-h") && !lastarg) {
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char *ip = zmalloc(32);
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if (anetResolve(NULL,argv[i+1],ip) == ANET_ERR) {
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printf("Can't resolve %s\n", argv[i]);
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exit(1);
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}
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config.hostip = ip;
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i++;
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} else if (!strcmp(argv[i],"-p") && !lastarg) {
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config.hostport = atoi(argv[i+1]);
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i++;
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} else if (!strcmp(argv[i],"-d") && !lastarg) {
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config.datasize = atoi(argv[i+1]);
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i++;
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if (config.datasize < 1) config.datasize=1;
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if (config.datasize > 1024*1024) config.datasize = 1024*1024;
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} else if (!strcmp(argv[i],"-q")) {
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config.quiet = 1;
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} else if (!strcmp(argv[i],"-l")) {
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config.loop = 1;
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} else {
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printf("Wrong option '%s' or option argument missing\n\n",argv[i]);
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printf("Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests]> [-k <boolean>]\n\n");
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printf(" -h <hostname> Server hostname (default 127.0.0.1)\n");
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printf(" -p <hostname> Server port (default 6379)\n");
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printf(" -c <clients> Number of parallel connections (default 50)\n");
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printf(" -n <requests> Total number of requests (default 10000)\n");
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printf(" -d <size> Data size of SET/GET value in bytes (default 2)\n");
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printf(" -k <boolean> 1=keep alive 0=reconnect (default 1)\n");
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printf(" -q Quiet. Just show query/sec values\n");
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printf(" -l Loop. Run the tests forever\n");
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exit(1);
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}
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}
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}
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int main(int argc, char **argv) {
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client c;
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signal(SIGHUP, SIG_IGN);
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signal(SIGPIPE, SIG_IGN);
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config.numclients = 50;
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config.requests = 10000;
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config.liveclients = 0;
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config.el = aeCreateEventLoop();
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config.keepalive = 1;
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config.donerequests = 0;
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config.datasize = 3;
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config.quiet = 0;
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config.loop = 0;
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config.latency = NULL;
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config.clients = listCreate();
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config.latency = zmalloc(sizeof(int)*(MAX_LATENCY+1));
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config.hostip = "127.0.0.1";
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config.hostport = 6379;
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parseOptions(argc,argv);
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if (config.keepalive == 0) {
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printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' in order to use a lot of clients/requests\n");
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}
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do {
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prepareForBenchmark();
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c = createClient();
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if (!c) exit(1);
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c->obuf = sdscat(c->obuf,"PING\r\n");
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c->replytype = REPLY_RETCODE;
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createMissingClients(c);
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aeMain(config.el);
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endBenchmark("PING");
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prepareForBenchmark();
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c = createClient();
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if (!c) exit(1);
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c->obuf = sdscatprintf(c->obuf,"SET foo %d\r\n",config.datasize);
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{
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char *data = zmalloc(config.datasize+2);
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memset(data,'x',config.datasize);
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data[config.datasize] = '\r';
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data[config.datasize+1] = '\n';
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c->obuf = sdscatlen(c->obuf,data,config.datasize+2);
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}
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c->replytype = REPLY_RETCODE;
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createMissingClients(c);
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aeMain(config.el);
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endBenchmark("SET");
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prepareForBenchmark();
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c = createClient();
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if (!c) exit(1);
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c->obuf = sdscat(c->obuf,"GET foo\r\n");
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c->replytype = REPLY_BULK;
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c->readlen = -1;
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createMissingClients(c);
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aeMain(config.el);
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endBenchmark("GET");
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prepareForBenchmark();
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c = createClient();
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if (!c) exit(1);
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c->obuf = sdscat(c->obuf,"INCR counter\r\n");
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c->replytype = REPLY_INT;
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createMissingClients(c);
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aeMain(config.el);
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endBenchmark("INCR");
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prepareForBenchmark();
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c = createClient();
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if (!c) exit(1);
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c->obuf = sdscat(c->obuf,"LPUSH mylist 3\r\nbar\r\n");
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c->replytype = REPLY_INT;
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createMissingClients(c);
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aeMain(config.el);
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endBenchmark("LPUSH");
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prepareForBenchmark();
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c = createClient();
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if (!c) exit(1);
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c->obuf = sdscat(c->obuf,"LPOP mylist\r\n");
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c->replytype = REPLY_BULK;
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c->readlen = -1;
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createMissingClients(c);
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aeMain(config.el);
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endBenchmark("LPOP");
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printf("\n");
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} while(config.loop);
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||||
return 0;
|
||||
}
|
||||
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Block a user