/*
- * $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.57 2006/10/07 19:25:28 tgl Exp $
+ * pgbench.c
*
- * pgbench: a simple benchmark program for PostgreSQL
- * written by Tatsuo Ishii
+ * A simple benchmark program for PostgreSQL
+ * Originally written by Tatsuo Ishii and enhanced by many contributors.
*
- * Copyright (c) 2000-2006 Tatsuo Ishii
+ * $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.79 2008/03/19 03:33:21 ishii Exp $
+ * Copyright (c) 2000-2008, PostgreSQL Global Development Group
+ * ALL RIGHTS RESERVED;
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without a written agreement
+ * is hereby granted, provided that the above copyright notice and this
+ * paragraph and the following two paragraphs appear in all copies.
+ *
+ * IN NO EVENT SHALL THE AUTHOR OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
+ * LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
+ * DOCUMENTATION, EVEN IF THE AUTHOR OR DISTRIBUTORS HAVE BEEN ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE AUTHOR AND DISTRIBUTORS SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE AUTHOR AND DISTRIBUTORS HAS NO OBLIGATIONS TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby
- * granted, provided that the above copyright notice appear in all
- * copies and that both that copyright notice and this permission
- * notice appear in supporting documentation, and that the name of the
- * author not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission. The author makes no representations about the
- * suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
*/
#include "postgres_fe.h"
#include <ctype.h>
#ifdef WIN32
-#include "win32.h"
+#undef FD_SETSIZE
+#define FD_SETSIZE 1024
+#include <win32.h>
#else
#include <sys/time.h>
#include <unistd.h>
+#endif /* ! WIN32 */
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h> /* for getrlimit */
#endif
-#endif /* ! WIN32 */
extern char *optarg;
extern int optind;
-#ifdef WIN32
-#undef select
-#endif
-
/********************************************************************
* some configurable parameters */
-#define MAXCLIENTS 1024 /* max number of clients allowed */
+/* max number of clients allowed */
+#ifdef FD_SETSIZE
+#define MAXCLIENTS (FD_SETSIZE - 10)
+#else
+#define MAXCLIENTS 1024
+#endif
int nclients = 1; /* default number of simulated clients */
int nxacts = 10; /* default number of transactions per clients */
*/
int scale = 1;
+/*
+ * fillfactor. for example, fillfactor = 90 will use only 90 percent
+ * space during inserts and leave 10 percent free.
+ */
+int fillfactor = 100;
+
/*
* end of configurable parameters
*********************************************************************/
int is_connect; /* establish connection for each transaction */
char *pghost = "";
-char *pgport = NULL;
+char *pgport = "";
char *pgoptions = NULL;
char *pgtty = NULL;
char *login = NULL;
-char *pwd = NULL;
char *dbName;
/* variable definitions */
char *value; /* its value */
} Variable;
+#define MAX_FILES 128 /* max number of SQL script files allowed */
+
/*
* structures used in custom query mode
*/
int ecnt; /* error count */
int listen; /* 0 indicates that an async query has been
* sent */
+ int sleeping; /* 1 indicates that the client is napping */
+ struct timeval until; /* napping until */
Variable *variables; /* array of variable definitions */
int nvariables;
struct timeval txn_begin; /* used for measuring latencies */
int use_file; /* index in sql_files for this client */
+ bool prepared[MAX_FILES];
} CState;
/*
#define META_COMMAND 2
#define MAX_ARGS 10
+typedef enum QueryMode
+{
+ QUERY_SIMPLE, /* simple query */
+ QUERY_EXTENDED, /* extended query */
+ QUERY_PREPARED, /* extended query with prepared statements */
+ NUM_QUERYMODE
+} QueryMode;
+
+static QueryMode querymode = QUERY_SIMPLE;
+static const char *QUERYMODE[] = { "simple", "extended", "prepared" };
+
typedef struct
{
int type; /* command type (SQL_COMMAND or META_COMMAND) */
char *argv[MAX_ARGS]; /* command list */
} Command;
-#define MAX_FILES 128 /* max number of SQL script files allowed */
-
Command **sql_files[MAX_FILES]; /* SQL script files */
int num_files; /* its number */
"SELECT abalance FROM accounts WHERE aid = :aid;\n"
};
+/* Connection overhead time */
+static struct timeval conn_total_time = {0, 0};
+
+/* Calculate total time */
+static void
+addTime(struct timeval *t1, struct timeval *t2, struct timeval *result)
+{
+ int sec = t1->tv_sec + t2->tv_sec;
+ int usec = t1->tv_usec + t2->tv_usec;
+ if (usec >= 1000000)
+ {
+ usec -= 1000000;
+ sec++;
+ }
+ result->tv_sec = sec;
+ result->tv_usec = usec;
+}
+
+/* Calculate time difference */
+static void
+diffTime(struct timeval *t1, struct timeval *t2, struct timeval *result)
+{
+ int sec = t1->tv_sec - t2->tv_sec;
+ int usec = t1->tv_usec - t2->tv_usec;
+ if (usec < 0)
+ {
+ usec += 1000000;
+ sec--;
+ }
+ result->tv_sec = sec;
+ result->tv_usec = usec;
+}
+
static void
usage(void)
{
- fprintf(stderr, "usage: pgbench [-h hostname][-p port][-c nclients][-t ntransactions][-s scaling_factor][-D varname=value][-n][-C][-v][-S][-N][-f filename][-l][-U login][-P password][-d][dbname]\n");
- fprintf(stderr, "(initialize mode): pgbench -i [-h hostname][-p port][-s scaling_factor][-U login][-P password][-d][dbname]\n");
+ fprintf(stderr, "usage: pgbench [-h hostname][-p port][-c nclients][-t ntransactions][-s scaling_factor][-D varname=value][-n][-C][-v][-S][-N][-M querymode][-f filename][-l][-U login][-d][dbname]\n");
+ fprintf(stderr, "(initialize mode): pgbench -i [-h hostname][-p port][-s scaling_factor] [-F fillfactor] [-U login][-d][dbname]\n");
}
-/* random number generator */
+/* random number generator: uniform distribution from min to max inclusive */
static int
getrand(int min, int max)
{
- return min + (int) (((max - min) * (double) random()) / MAX_RANDOM_VALUE + 0.5);
+ /*
+ * Odd coding is so that min and max have approximately the same chance of
+ * being selected as do numbers between them.
+ */
+ return min + (int) (((max - min + 1) * (double) random()) / (MAX_RANDOM_VALUE + 1.0));
}
-/* set up a connection to the backend */
-static PGconn *
-doConnect(void)
+/* call PQexec() and exit() on failure */
+static void
+executeStatement(PGconn *con, const char *sql)
{
- PGconn *con;
PGresult *res;
- con = PQsetdbLogin(pghost, pgport, pgoptions, pgtty, dbName,
- login, pwd);
- if (con == NULL)
+ res = PQexec(con, sql);
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
- fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
- fprintf(stderr, "Memory allocatin problem?\n");
- return (NULL);
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
}
+ PQclear(res);
+}
- if (PQstatus(con) == CONNECTION_BAD)
+/* set up a connection to the backend */
+static PGconn *
+doConnect(void)
+{
+ PGconn *conn;
+ static char *password = NULL;
+ bool new_pass;
+
+ /*
+ * Start the connection. Loop until we have a password if requested by
+ * backend.
+ */
+ do
{
- fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
+ new_pass = false;
- if (PQerrorMessage(con))
- fprintf(stderr, "%s", PQerrorMessage(con));
- else
- fprintf(stderr, "No explanation from the backend\n");
+ conn = PQsetdbLogin(pghost, pgport, pgoptions, pgtty, dbName,
+ login, password);
+ if (!conn)
+ {
+ fprintf(stderr, "Connection to database \"%s\" failed\n",
+ dbName);
+ return NULL;
+ }
- return (NULL);
- }
+ if (PQstatus(conn) == CONNECTION_BAD &&
+ PQconnectionNeedsPassword(conn) &&
+ password == NULL &&
+ !feof(stdin))
+ {
+ PQfinish(conn);
+ password = simple_prompt("Password: ", 100, false);
+ new_pass = true;
+ }
+ } while (new_pass);
- res = PQexec(con, "SET search_path = public");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ /* check to see that the backend connection was successfully made */
+ if (PQstatus(conn) == CONNECTION_BAD)
{
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
+ fprintf(stderr, "Connection to database \"%s\" failed:\n%s",
+ dbName, PQerrorMessage(conn));
+ PQfinish(conn);
+ return NULL;
}
- PQclear(res);
- return (con);
+ executeStatement(conn, "SET search_path = public");
+
+ return conn;
}
/* throw away response from backend */
/* check to see if the SQL result was good */
static int
-check(CState * state, PGresult *res, int n, int good)
+check(CState * state, PGresult *res, int n)
{
CState *st = &state[n];
- if (res && PQresultStatus(res) != good)
+ switch (PQresultStatus(res))
{
- fprintf(stderr, "Client %d aborted in state %d: %s", n, st->state, PQerrorMessage(st->con));
- remains--; /* I've aborted */
- PQfinish(st->con);
- st->con = NULL;
- return (-1);
+ case PGRES_COMMAND_OK:
+ case PGRES_TUPLES_OK:
+ /* OK */
+ break;
+ default:
+ fprintf(stderr, "Client %d aborted in state %d: %s",
+ n, st->state, PQerrorMessage(st->con));
+ remains--; /* I've aborted */
+ PQfinish(st->con);
+ st->con = NULL;
+ return (-1);
}
return (0); /* OK */
}
return true;
}
+static char *
+parseVariable(const char *sql, int *eaten)
+{
+ int i = 0;
+ char *name;
+
+ do
+ {
+ i++;
+ } while (isalnum((unsigned char) sql[i]) || sql[i] == '_');
+ if (i == 1)
+ return NULL;
+
+ name = malloc(i);
+ if (name == NULL)
+ return NULL;
+ memcpy(name, &sql[1], i - 1);
+ name[i - 1] = '\0';
+
+ *eaten = i;
+ return name;
+}
+
+static char *
+replaceVariable(char **sql, char *param, int len, char *value)
+{
+ int valueln = strlen(value);
+
+ if (valueln > len)
+ {
+ char *tmp;
+ size_t offset = param - *sql;
+
+ tmp = realloc(*sql, strlen(*sql) - len + valueln + 1);
+ if (tmp == NULL)
+ {
+ free(*sql);
+ return NULL;
+ }
+ *sql = tmp;
+ param = *sql + offset;
+ }
+
+ if (valueln != len)
+ memmove(param + valueln, param + len, strlen(param + len) + 1);
+ strncpy(param, value, valueln);
+
+ return param + valueln;
+}
+
static char *
assignVariables(CState * st, char *sql)
{
- int i,
- j;
char *p,
*name,
*val;
- void *tmp;
- i = 0;
- while ((p = strchr(&sql[i], ':')) != NULL)
+ p = sql;
+ while ((p = strchr(p, ':')) != NULL)
{
- i = j = p - sql;
- do
+ int eaten;
+
+ name = parseVariable(p, &eaten);
+ if (name == NULL)
{
- i++;
- } while (isalnum((unsigned char) sql[i]) || sql[i] == '_');
- if (i == j + 1)
+ while (*p == ':') { p++; }
continue;
+ }
- name = malloc(i - j);
- if (name == NULL)
- return NULL;
- memcpy(name, &sql[j + 1], i - (j + 1));
- name[i - (j + 1)] = '\0';
val = getVariable(st, name);
free(name);
if (val == NULL)
- continue;
-
- if (strlen(val) > i - j)
{
- tmp = realloc(sql, strlen(sql) - (i - j) + strlen(val) + 1);
- if (tmp == NULL)
- {
- free(sql);
- return NULL;
- }
- sql = tmp;
+ p++;
+ continue;
}
- if (strlen(val) != i - j)
- memmove(&sql[j + strlen(val)], &sql[i], strlen(&sql[i]) + 1);
+ if ((p = replaceVariable(&sql, p, eaten, val)) == NULL)
+ return NULL;
+ }
- strncpy(&sql[j], val, strlen(val));
+ return sql;
+}
- if (strlen(val) < i - j)
- {
- tmp = realloc(sql, strlen(sql) + 1);
- if (tmp == NULL)
- {
- free(sql);
- return NULL;
- }
- sql = tmp;
- }
+static void
+getQueryParams(CState *st, const Command *command, const char **params)
+{
+ int i;
- i = j + strlen(val);
- }
+ for (i = 0; i < command->argc - 1; i++)
+ params[i] = getVariable(st, command->argv[i+1]);
+}
- return sql;
+#define MAX_PREPARE_NAME 32
+static void
+preparedStatementName(char *buffer, int file, int state)
+{
+ sprintf(buffer, "P%d_%d", file, state);
}
static void
top:
commands = sql_files[st->use_file];
+ if (st->sleeping)
+ { /* are we sleeping? */
+ int usec;
+ struct timeval now;
+
+ gettimeofday(&now, NULL);
+ usec = (st->until.tv_sec - now.tv_sec) * 1000000 +
+ st->until.tv_usec - now.tv_usec;
+ if (usec <= 0)
+ st->sleeping = 0; /* Done sleeping, go ahead with next command */
+ else
+ return; /* Still sleeping, nothing to do here */
+ }
+
if (st->listen)
{ /* are we receiver? */
if (commands[st->state]->type == SQL_COMMAND)
diff = (int) (now.tv_sec - st->txn_begin.tv_sec) * 1000000.0 +
(int) (now.tv_usec - st->txn_begin.tv_usec);
- fprintf(LOGFILE, "%d %d %.0f\n", st->id, st->cnt, diff);
+ fprintf(LOGFILE, "%d %d %.0f %d %ld %ld\n",
+ st->id, st->cnt, diff, st->use_file,
+ (long) now.tv_sec, (long) now.tv_usec);
}
if (commands[st->state]->type == SQL_COMMAND)
{
res = PQgetResult(st->con);
- if (pg_strncasecmp(commands[st->state]->argv[0], "select", 6) != 0)
- {
- if (check(state, res, n, PGRES_COMMAND_OK))
- return;
- }
- else
+ if (check(state, res, n))
{
- if (check(state, res, n, PGRES_TUPLES_OK))
- return;
+ PQclear(res);
+ return;
}
PQclear(res);
discard_response(st);
if (st->con == NULL)
{
+ struct timeval t1, t2, t3;
+
+ gettimeofday(&t1, NULL);
if ((st->con = doConnect()) == NULL)
{
fprintf(stderr, "Client %d aborted in establishing connection.\n",
st->con = NULL;
return;
}
+ gettimeofday(&t2, NULL);
+ diffTime(&t2, &t1, &t3);
+ addTime(&conn_total_time, &t3, &conn_total_time);
}
if (use_log && st->state == 0)
if (commands[st->state]->type == SQL_COMMAND)
{
- char *sql;
+ const Command *command = commands[st->state];
+ int r;
- if ((sql = strdup(commands[st->state]->argv[0])) == NULL
- || (sql = assignVariables(st, sql)) == NULL)
+ if (querymode == QUERY_SIMPLE)
{
- fprintf(stderr, "out of memory\n");
- st->ecnt++;
- return;
+ char *sql;
+
+ if ((sql = strdup(command->argv[0])) == NULL
+ || (sql = assignVariables(st, sql)) == NULL)
+ {
+ fprintf(stderr, "out of memory\n");
+ st->ecnt++;
+ return;
+ }
+
+ if (debug)
+ fprintf(stderr, "client %d sending %s\n", n, sql);
+ r = PQsendQuery(st->con, sql);
+ free(sql);
}
+ else if (querymode == QUERY_EXTENDED)
+ {
+ const char *sql = command->argv[0];
+ const char *params[MAX_ARGS];
- if (debug)
- fprintf(stderr, "client %d sending %s\n", n, sql);
- if (PQsendQuery(st->con, sql) == 0)
+ getQueryParams(st, command, params);
+
+ if (debug)
+ fprintf(stderr, "client %d sending %s\n", n, sql);
+ r = PQsendQueryParams(st->con, sql, command->argc - 1,
+ NULL, params, NULL, NULL, 0);
+ }
+ else if (querymode == QUERY_PREPARED)
+ {
+ char name[MAX_PREPARE_NAME];
+ const char *params[MAX_ARGS];
+
+ if (!st->prepared[st->use_file])
+ {
+ int j;
+
+ for (j = 0; commands[j] != NULL; j++)
+ {
+ PGresult *res;
+ char name[MAX_PREPARE_NAME];
+
+ if (commands[j]->type != SQL_COMMAND)
+ continue;
+ preparedStatementName(name, st->use_file, j);
+ res = PQprepare(st->con, name,
+ commands[j]->argv[0], commands[j]->argc - 1, NULL);
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ fprintf(stderr, "%s", PQerrorMessage(st->con));
+ PQclear(res);
+ }
+ st->prepared[st->use_file] = true;
+ }
+
+ getQueryParams(st, command, params);
+ preparedStatementName(name, st->use_file, st->state);
+
+ if (debug)
+ fprintf(stderr, "client %d sending %s\n", n, name);
+ r = PQsendQueryPrepared(st->con, name, command->argc - 1,
+ params, NULL, NULL, 0);
+ }
+ else /* unknown sql mode */
+ r = 0;
+
+ if (r == 0)
{
if (debug)
- fprintf(stderr, "PQsendQuery(%s)failed\n", sql);
+ fprintf(stderr, "client %d cannot send %s\n", n, command->argv[0]);
st->ecnt++;
}
else
- {
st->listen = 1; /* flags that should be listened */
- }
- free(sql);
}
else if (commands[st->state]->type == META_COMMAND)
{
st->listen = 1;
}
+ else if (pg_strcasecmp(argv[0], "sleep") == 0)
+ {
+ char *var;
+ int usec;
+ struct timeval now;
+
+ if (*argv[1] == ':')
+ {
+ if ((var = getVariable(st, argv[1] + 1)) == NULL)
+ {
+ fprintf(stderr, "%s: undefined variable %s\n", argv[0], argv[1]);
+ st->ecnt++;
+ return;
+ }
+ usec = atoi(var);
+ }
+ else
+ usec = atoi(argv[1]);
+
+ if (argc > 2)
+ {
+ if (pg_strcasecmp(argv[2], "ms") == 0)
+ usec *= 1000;
+ else if (pg_strcasecmp(argv[2], "s") == 0)
+ usec *= 1000000;
+ }
+ else
+ usec *= 1000000;
+
+ gettimeofday(&now, NULL);
+ st->until.tv_sec = now.tv_sec + (now.tv_usec + usec) / 1000000;
+ st->until.tv_usec = (now.tv_usec + usec) % 1000000;
+ st->sleeping = 1;
+
+ st->listen = 1;
+ }
goto top;
}
{
PGconn *con;
PGresult *res;
+ /*
+ * Note: TPC-B requires at least 100 bytes per row, and the "filler"
+ * fields in these table declarations were intended to comply with that.
+ * But because they default to NULLs, they don't actually take any
+ * space. We could fix that by giving them non-null default values.
+ * However, that would completely break comparability of pgbench
+ * results with prior versions. Since pgbench has never pretended
+ * to be fully TPC-B compliant anyway, we stick with the historical
+ * behavior.
+ */
static char *DDLs[] = {
- "drop table branches",
- "create table branches(bid int not null,bbalance int,filler char(88))",
- "drop table tellers",
- "create table tellers(tid int not null,bid int,tbalance int,filler char(84))",
- "drop table accounts",
- "create table accounts(aid int not null,bid int,abalance int,filler char(84))",
- "drop table history",
+ "drop table if exists branches",
+ "create table branches(bid int not null,bbalance int,filler char(88)) with (fillfactor=%d)",
+ "drop table if exists tellers",
+ "create table tellers(tid int not null,bid int,tbalance int,filler char(84)) with (fillfactor=%d)",
+ "drop table if exists accounts",
+ "create table accounts(aid int not null,bid int,abalance int,filler char(84)) with (fillfactor=%d)",
+ "drop table if exists history",
"create table history(tid int,bid int,aid int,delta int,mtime timestamp,filler char(22))"};
static char *DDLAFTERs[] = {
"alter table branches add primary key (bid)",
if ((con = doConnect()) == NULL)
exit(1);
- for (i = 0; i < (sizeof(DDLs) / sizeof(char *)); i++)
+ for (i = 0; i < lengthof(DDLs); i++)
{
- res = PQexec(con, DDLs[i]);
- if (strncmp(DDLs[i], "drop", 4) && PQresultStatus(res) != PGRES_COMMAND_OK)
+ /*
+ * set fillfactor for branches, tellers and accounts tables
+ */
+ if ((strstr(DDLs[i], "create table branches") == DDLs[i]) ||
+ (strstr(DDLs[i], "create table tellers") == DDLs[i]) ||
+ (strstr(DDLs[i], "create table accounts") == DDLs[i]))
{
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
+ char ddl_stmt[128];
+
+ snprintf(ddl_stmt, 128, DDLs[i], fillfactor);
+ executeStatement(con, ddl_stmt);
+ continue;
}
- PQclear(res);
+ else
+ executeStatement(con, DDLs[i]);
}
- res = PQexec(con, "begin");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ executeStatement(con, "begin");
for (i = 0; i < nbranches * scale; i++)
{
snprintf(sql, 256, "insert into branches(bid,bbalance) values(%d,0)", i + 1);
- res = PQexec(con, sql);
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ executeStatement(con, sql);
}
for (i = 0; i < ntellers * scale; i++)
{
snprintf(sql, 256, "insert into tellers(tid,bid,tbalance) values (%d,%d,0)"
,i + 1, i / ntellers + 1);
- res = PQexec(con, sql);
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ executeStatement(con, sql);
}
- res = PQexec(con, "end");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ executeStatement(con, "commit");
+
+ /*
+ * fill the accounts table with some data
+ */
+ fprintf(stderr, "creating tables...\n");
+
+ executeStatement(con, "begin");
+ executeStatement(con, "truncate accounts");
+
+ res = PQexec(con, "copy accounts from stdin");
+ if (PQresultStatus(res) != PGRES_COPY_IN)
{
fprintf(stderr, "%s", PQerrorMessage(con));
exit(1);
}
PQclear(res);
- /*
- * occupy accounts table with some data
- */
- fprintf(stderr, "creating tables...\n");
for (i = 0; i < naccounts * scale; i++)
{
int j = i + 1;
- if (j % 10000 == 1)
- {
- res = PQexec(con, "copy accounts from stdin");
- if (PQresultStatus(res) != PGRES_COPY_IN)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- }
-
snprintf(sql, 256, "%d\t%d\t%d\t\n", j, i / naccounts + 1, 0);
if (PQputline(con, sql))
{
}
if (j % 10000 == 0)
- {
- /*
- * every 10000 tuples, we commit the copy command. this should
- * avoid generating too much WAL logs
- */
fprintf(stderr, "%d tuples done.\n", j);
- if (PQputline(con, "\\.\n"))
- {
- fprintf(stderr, "very last PQputline failed\n");
- exit(1);
- }
-
- if (PQendcopy(con))
- {
- fprintf(stderr, "PQendcopy failed\n");
- exit(1);
- }
-
-#ifdef NOT_USED
-
- /*
- * do a checkpoint to purge the old WAL logs
- */
- res = PQexec(con, "checkpoint");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-#endif /* NOT_USED */
- }
}
- fprintf(stderr, "set primary key...\n");
- for (i = 0; i < (sizeof(DDLAFTERs) / sizeof(char *)); i++)
+ if (PQputline(con, "\\.\n"))
{
- res = PQexec(con, DDLAFTERs[i]);
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ fprintf(stderr, "very last PQputline failed\n");
+ exit(1);
+ }
+ if (PQendcopy(con))
+ {
+ fprintf(stderr, "PQendcopy failed\n");
+ exit(1);
}
+ executeStatement(con, "commit");
+
+ /*
+ * create indexes
+ */
+ fprintf(stderr, "set primary key...\n");
+ for (i = 0; i < lengthof(DDLAFTERs); i++)
+ executeStatement(con, DDLAFTERs[i]);
/* vacuum */
fprintf(stderr, "vacuum...");
- res = PQexec(con, "vacuum analyze");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ executeStatement(con, "vacuum analyze");
+
+ fprintf(stderr, "done.\n");
+ PQfinish(con);
+}
+
+/*
+ * Parse the raw sql and replace :param to $n.
+ */
+static bool
+parseQuery(Command *cmd, const char *raw_sql)
+{
+ char *sql,
+ *p;
+
+ sql = strdup(raw_sql);
+ if (sql == NULL)
+ return false;
+ cmd->argc = 1;
+
+ p = sql;
+ while ((p = strchr(p, ':')) != NULL)
{
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
+ char var[12];
+ char *name;
+ int eaten;
+
+ name = parseVariable(p, &eaten);
+ if (name == NULL)
+ {
+ while (*p == ':') { p++; }
+ continue;
+ }
+
+ if (cmd->argc >= MAX_ARGS)
+ {
+ fprintf(stderr, "statement has too many arguments (maximum is %d): %s\n", MAX_ARGS - 1, raw_sql);
+ return false;
+ }
+
+ sprintf(var, "$%d", cmd->argc);
+ if ((p = replaceVariable(&sql, p, eaten, var)) == NULL)
+ return false;
+
+ cmd->argv[cmd->argc] = name;
+ cmd->argc++;
}
- PQclear(res);
- fprintf(stderr, "done.\n");
- PQfinish(con);
+ cmd->argv[0] = sql;
+ return true;
}
static Command *
fprintf(stderr, "%s: extra argument \"%s\" ignored\n",
my_commands->argv[0], my_commands->argv[j]);
}
+ else if (pg_strcasecmp(my_commands->argv[0], "sleep") == 0)
+ {
+ if (my_commands->argc < 2)
+ {
+ fprintf(stderr, "%s: missing argument\n", my_commands->argv[0]);
+ return NULL;
+ }
+
+ if (my_commands->argc >= 3)
+ {
+ if (pg_strcasecmp(my_commands->argv[2], "us") != 0 &&
+ pg_strcasecmp(my_commands->argv[2], "ms") != 0 &&
+ pg_strcasecmp(my_commands->argv[2], "s"))
+ {
+ fprintf(stderr, "%s: unknown time unit '%s' - must be us, ms or s\n",
+ my_commands->argv[0], my_commands->argv[2]);
+ return NULL;
+ }
+ }
+
+ for (j = 3; j < my_commands->argc; j++)
+ fprintf(stderr, "%s: extra argument \"%s\" ignored\n",
+ my_commands->argv[0], my_commands->argv[j]);
+ }
else
{
- fprintf(stderr, "invalid command %s\n", my_commands->argv[0]);
+ fprintf(stderr, "Invalid command %s\n", my_commands->argv[0]);
return NULL;
}
}
{
my_commands->type = SQL_COMMAND;
- if ((my_commands->argv[0] = strdup(p)) == NULL)
- return NULL;
-
- my_commands->argc++;
+ switch (querymode)
+ {
+ case QUERY_SIMPLE:
+ if ((my_commands->argv[0] = strdup(p)) == NULL)
+ return NULL;
+ my_commands->argc++;
+ break;
+ case QUERY_EXTENDED:
+ case QUERY_PREPARED:
+ if (!parseQuery(my_commands, p))
+ return NULL;
+ break;
+ default:
+ return NULL;
+ }
}
return my_commands;
static void
printResults(
int ttype, CState * state,
- struct timeval * tv1, struct timeval * tv2,
- struct timeval * tv3)
+ struct timeval * start_time, struct timeval * end_time)
{
double t1,
t2;
for (i = 0; i < nclients; i++)
normal_xacts += state[i].cnt;
- t1 = (tv3->tv_sec - tv1->tv_sec) * 1000000.0 + (tv3->tv_usec - tv1->tv_usec);
+ t1 = (end_time->tv_sec - start_time->tv_sec) * 1000000.0 + (end_time->tv_usec - start_time->tv_usec);
t1 = normal_xacts * 1000000.0 / t1;
- t2 = (tv3->tv_sec - tv2->tv_sec) * 1000000.0 + (tv3->tv_usec - tv2->tv_usec);
+ t2 = (end_time->tv_sec - start_time->tv_sec - conn_total_time.tv_sec) * 1000000.0 +
+ (end_time->tv_usec - start_time->tv_usec - conn_total_time.tv_usec);
t2 = normal_xacts * 1000000.0 / t2;
if (ttype == 0)
printf("transaction type: %s\n", s);
printf("scaling factor: %d\n", scale);
+ printf("query mode: %s\n", QUERYMODE[querymode]);
printf("number of clients: %d\n", nclients);
printf("number of transactions per client: %d\n", nxacts);
printf("number of transactions actually processed: %d/%d\n", normal_xacts, nxacts * nclients);
int c;
int is_init_mode = 0; /* initialize mode? */
int is_no_vacuum = 0; /* no vacuum at all before testing? */
- int is_full_vacuum = 0; /* do full vacuum before testing? */
+ int do_vacuum_accounts = 0; /* do vacuum accounts before testing? */
int debug = 0; /* debug flag */
int ttype = 0; /* transaction type. 0: TPC-B, 1: SELECT only,
* 2: skip update of branches and tellers */
CState *state; /* status of clients */
- struct timeval tv1; /* start up time */
- struct timeval tv2; /* after establishing all connections to the
- * backend */
- struct timeval tv3; /* end time */
+ struct timeval start_time; /* start up time */
+ struct timeval end_time; /* end time */
int i;
fd_set input_mask;
int nsocks; /* return from select(2) */
int maxsock; /* max socket number to be waited */
+ struct timeval now;
+ struct timeval timeout;
+ int min_usec;
#ifdef HAVE_GETRLIMIT
struct rlimit rlim;
char val[64];
+#ifdef WIN32
+ /* stderr is buffered on Win32. */
+ setvbuf(stderr, NULL, _IONBF, 0);
+#endif
+
if ((env = getenv("PGHOST")) != NULL && *env != '\0')
pghost = env;
if ((env = getenv("PGPORT")) != NULL && *env != '\0')
memset(state, 0, sizeof(*state));
- while ((c = getopt(argc, argv, "ih:nvp:dc:t:s:U:P:CNSlf:D:")) != -1)
+ while ((c = getopt(argc, argv, "ih:nvp:dc:t:s:U:CNSlf:D:F:M:")) != -1)
{
switch (c)
{
is_no_vacuum++;
break;
case 'v':
- is_full_vacuum++;
+ do_vacuum_accounts++;
break;
case 'p':
pgport = optarg;
fprintf(stderr, "Use limit/ulimit to increase the limit before using pgbench.\n");
exit(1);
}
-#endif /* HAVE_GETRLIMIT */
+#endif /* HAVE_GETRLIMIT */
break;
case 'C':
is_connect = 1;
case 'U':
login = optarg;
break;
- case 'P':
- pwd = optarg;
- break;
case 'l':
use_log = true;
break;
}
}
break;
+ case 'F':
+ fillfactor = atoi(optarg);
+ if ((fillfactor < 10) || (fillfactor > 100))
+ {
+ fprintf(stderr, "invalid fillfactor: %d\n", fillfactor);
+ exit(1);
+ }
+ break;
+ case 'M':
+ if (num_files > 0)
+ {
+ fprintf(stderr, "querymode(-M) should be specifiled before transaction scripts(-f)\n");
+ exit(1);
+ }
+ for (querymode = 0; querymode < NUM_QUERYMODE; querymode++)
+ if (strcmp(optarg, QUERYMODE[querymode]) == 0)
+ break;
+ if (querymode >= NUM_QUERYMODE)
+ {
+ fprintf(stderr, "invalid querymode(-M): %s\n", optarg);
+ exit(1);
+ }
+ break;
default:
usage();
exit(1);
memset(state + 1, 0, sizeof(*state) * (nclients - 1));
+ snprintf(val, sizeof(val), "%d", scale);
+
for (i = 1; i < nclients; i++)
{
int j;
exit(1);
}
}
+
+ if (putVariable(&state[i], "scale", val) == false)
+ {
+ fprintf(stderr, "Couldn't allocate memory for variable\n");
+ exit(1);
+ }
}
}
{
char logpath[64];
- snprintf(logpath, 64, "pgbench_log.%d", getpid());
+ snprintf(logpath, 64, "pgbench_log.%d", (int) getpid());
LOGFILE = fopen(logpath, "w");
if (LOGFILE == NULL)
fprintf(stderr, "Couldn't allocate memory for variable\n");
exit(1);
}
+
+ if (nclients > 1)
+ {
+ for (i = 1; i < nclients; i++)
+ {
+ if (putVariable(&state[i], "scale", val) == false)
+ {
+ fprintf(stderr, "Couldn't allocate memory for variable\n");
+ exit(1);
+ }
+ }
+ }
}
if (!is_no_vacuum)
{
fprintf(stderr, "starting vacuum...");
- res = PQexec(con, "vacuum branches");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
- res = PQexec(con, "vacuum tellers");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
- res = PQexec(con, "delete from history");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- res = PQexec(con, "vacuum history");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
+ executeStatement(con, "vacuum branches");
+ executeStatement(con, "vacuum tellers");
+ executeStatement(con, "delete from history");
+ executeStatement(con, "vacuum history");
fprintf(stderr, "end.\n");
- if (is_full_vacuum)
+ if (do_vacuum_accounts)
{
- fprintf(stderr, "starting full vacuum...");
- res = PQexec(con, "vacuum analyze accounts");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ fprintf(stderr, "starting vacuum accounts...");
+ executeStatement(con, "vacuum analyze accounts");
fprintf(stderr, "end.\n");
}
}
PQfinish(con);
/* set random seed */
- gettimeofday(&tv1, NULL);
- srand((unsigned int) tv1.tv_usec);
+ gettimeofday(&start_time, NULL);
+ srandom((unsigned int) start_time.tv_usec);
/* get start up time */
- gettimeofday(&tv1, NULL);
+ gettimeofday(&start_time, NULL);
if (is_connect == 0)
{
+ struct timeval t, now;
+
/* make connections to the database */
for (i = 0; i < nclients; i++)
{
if ((state[i].con = doConnect()) == NULL)
exit(1);
}
+ /* time after connections set up */
+ gettimeofday(&now, NULL);
+ diffTime(&now, &start_time, &t);
+ addTime(&conn_total_time, &t, &conn_total_time);
}
- /* time after connections set up */
- gettimeofday(&tv2, NULL);
-
/* process bultin SQL scripts */
switch (ttype)
{
{ /* all done ? */
disconnect_all(state);
/* get end time */
- gettimeofday(&tv3, NULL);
- printResults(ttype, state, &tv1, &tv2, &tv3);
+ gettimeofday(&end_time, NULL);
+ printResults(ttype, state, &start_time, &end_time);
if (LOGFILE)
fclose(LOGFILE);
exit(0);
FD_ZERO(&input_mask);
maxsock = -1;
+ min_usec = -1;
for (i = 0; i < nclients; i++)
{
Command **commands = sql_files[state[i].use_file];
- if (state[i].con && commands[state[i].state]->type != META_COMMAND)
+ if (state[i].sleeping)
+ {
+ int this_usec;
+ int sock = PQsocket(state[i].con);
+
+ if (min_usec < 0)
+ {
+ gettimeofday(&now, NULL);
+ min_usec = 0;
+ }
+
+ this_usec = (state[i].until.tv_sec - now.tv_sec) * 1000000 +
+ state[i].until.tv_usec - now.tv_usec;
+
+ if (this_usec > 0 && (min_usec == 0 || this_usec < min_usec))
+ min_usec = this_usec;
+
+ FD_SET(sock, &input_mask);
+ if (maxsock < sock)
+ maxsock = sock;
+ }
+ else if (state[i].con && commands[state[i].state]->type != META_COMMAND)
{
int sock = PQsocket(state[i].con);
if (maxsock != -1)
{
- if ((nsocks = select(maxsock + 1, &input_mask, (fd_set *) NULL,
- (fd_set *) NULL, (struct timeval *) NULL)) < 0)
+ if (min_usec >= 0)
+ {
+ timeout.tv_sec = min_usec / 1000000;
+ timeout.tv_usec = min_usec % 1000000;
+
+ nsocks = select(maxsock + 1, &input_mask, (fd_set *) NULL,
+ (fd_set *) NULL, &timeout);
+ }
+ else
+ nsocks = select(maxsock + 1, &input_mask, (fd_set *) NULL,
+ (fd_set *) NULL, (struct timeval *) NULL);
+ if (nsocks < 0)
{
if (errno == EINTR)
continue;
fprintf(stderr, "select failed: %s\n", strerror(errno));
exit(1);
}
+#ifdef NOT_USED
else if (nsocks == 0)
{ /* timeout */
fprintf(stderr, "select timeout\n");
}
exit(0);
}
+#endif
}
/* ok, backend returns reply */
if (state[i].ecnt > prev_ecnt && commands[state[i].state]->type == META_COMMAND)
{
- fprintf(stderr, "Client %d aborted in state %d. Execution meta-command failed.\n", i, state[i].state);
+ fprintf(stderr, "Client %d aborted in state %d. Execution of meta-command failed.\n", i, state[i].state);
remains--; /* I've aborted */
PQfinish(state[i].con);
state[i].con = NULL;