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update the release/examples closes[t:2556]

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git-svn-id: file:///svn/toku/tokudb@19677 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Rich Prohaska
2013-04-16 23:59:08 -04:00
committed by Yoni Fogel
parent 8055c4cfd6
commit 04993002c5
2 changed files with 71 additions and 31 deletions
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10
release/examples/db-insert.c
View File

@@ -1,7 +1,11 @@
/* -*- mode: C; c-basic-offset: 4 -*- */
#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
#ident "Copyright (c) 2007-2010 Tokutek Inc. All rights reserved."
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
// Define BDB if you want to compile this to use Berkeley DB
#include <stdint.h>
#include <inttypes.h>
#ifdef BDB
#include <db.h>
@@ -14,10 +18,8 @@
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/time.h>
static inline float toku_tdiff (struct timeval *a, struct timeval *b) {
return (a->tv_sec - b->tv_sec) +1e-6*(a->tv_usec - b->tv_usec);

92
release/examples/db-scan.c
View File

@@ -1,6 +1,13 @@
/* -*- mode: C; c-basic-offset: 4 -*- */
#ident "Copyright (c) 2007-2010 Tokutek Inc. All rights reserved."
/* Scan the bench.tokudb/bench.db over and over. */
#define DONT_DEPRECATE_MALLOC
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
#include <inttypes.h>
#ifdef BDB
#include <db.h>
@@ -11,12 +18,11 @@
#endif
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/time.h>
const char *pname;
enum run_mode { RUN_HWC, RUN_LWC, RUN_VERIFY, RUN_HEAVI, RUN_RANGE} run_mode = RUN_HWC;
@@ -36,8 +42,9 @@ static int print_usage (const char *argv0) {
fprintf(stderr, " --prelockflag pass DB_PRELOCKED to the the cursor get operation whenever the locks have been acquired\n");
fprintf(stderr, " --prelockwriteflag pass DB_PRELOCKED_WRITE to the cursor get operation\n");
fprintf(stderr, " --nox no transactions (no locking)\n");
fprintf(stderr, " --count <count> read the first COUNT rows and then stop.\n");
fprintf(stderr, " --cachesize <n> set the env cachesize to <n>\n");
fprintf(stderr, " --count COUNT read the first COUNT rows and then stop.\n");
fprintf(stderr, " --cachesize N set the env cachesize to N bytes\n");
fprintf(stderr, " --srandom N srandom(N)\n");
fprintf(stderr, " --env DIR put db files in DIR instead of default\n");
return 1;
}
@@ -100,6 +107,9 @@ static void parse_args (int argc, const char *argv[]) {
} else if (strcmp(*argv, "--experiments") == 0 && argc > 1) {
argc--; argv++;
n_experiments = strtol(*argv, NULL, 10);
} else if (strcmp(*argv, "--srandom") == 0 && argc > 1) {
argc--; argv++;
srandom(atoi(*argv));
} else {
exit(print_usage(pname));
}
@@ -223,40 +233,68 @@ static void scanscan_lwc (void) {
static void scanscan_range (void) {
int r;
double tstart = gettime();
DBC *dbc;
r = db->cursor(db, tid, &dbc, 0); assert(r==0);
double texperiments[n_experiments];
u_int64_t k = 0;
char kv[8];
DBT key, val;
int counter;
for (counter=0; counter<n_experiments; counter++) {
for (counter = 0; counter < n_experiments; counter++) {
// generate a random key in the key range
u_int64_t k = (start_range + (random() % (end_range - start_range))) * (1<<6);
char kv[8];
int i;
for (i=0; i<8; i++)
kv[i] = k >> (56-8*i);
DBT key; memset(&key, 0, sizeof key); key.data = &kv, key.size = sizeof kv;
DBT val; memset(&val, 0, sizeof val);
if (1) { //if ((counter&1) == 0) {
makekey:
// generate a random key in the key range
k = (start_range + (random() % (end_range - start_range))) * (1<<6);
int i;
for (i = 0; i < 8; i++)
kv[i] = k >> (56-8*i);
}
memset(&key, 0, sizeof key); key.data = &kv, key.size = sizeof kv;
memset(&val, 0, sizeof val);
double tstart = gettime();
DBC *dbc;
r = db->cursor(db, tid, &dbc, 0); assert(r==0);
// set the cursor to the random key
r = dbc->c_get(dbc, &key, &val, DB_SET_RANGE+lock_flag); assert(r==0);
r = dbc->c_get(dbc, &key, &val, DB_SET_RANGE+lock_flag);
if (r != 0) {
assert(r == DB_NOTFOUND);
printf("%s:%d %"PRIu64"\n", __FUNCTION__, __LINE__, k);
goto makekey;
}
#if 0
long rowcounter=0;
while (0 == (r = dbc->c_getf_next(dbc, f_flags, counttotalbytes, &e))) {
#ifdef TOKUDB
// do the range scan
long rowcounter = 0;
struct extra_count e = {0,0};
while (limitcount > 0 && rowcounter < limitcount) {
r = dbc->c_getf_next(dbc, prelockflag ? lock_flag : 0, counttotalbytes, &e);
if (r != 0)
break;
rowcounter++;
if (limitcount>0 && rowcounter>=limitcount) break;
}
#endif
r = dbc->c_close(dbc);
assert(r==0);
texperiments[counter] = gettime() - tstart;
printf("%"PRIu64" %f\n", k, texperiments[counter]); fflush(stdout);
}
r = dbc->c_close(dbc);
assert(r==0);
double tend = gettime();
double tdiff = tend-tstart;
printf("Range %d %f\n", n_experiments, tdiff);
// print the times
double tsum = 0.0, tmin = 0.0, tmax = 0.0;
for (counter = 0; counter < n_experiments; counter++) {
if (counter==0 || texperiments[counter] < tmin)
tmin = texperiments[counter];
if (counter==0 || texperiments[counter] > tmax)
tmax = texperiments[counter];
tsum += texperiments[counter];
}
printf("%f %f %f/%d = %f\n", tmin, tmax, tsum, n_experiments, tsum / n_experiments);
}
#ifdef TOKUDB