mirror of
https://github.com/MariaDB/server.git
synced 2025-01-22 14:54:20 +01:00
117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
|
|
|
|
// verify that cachetable prefetch multiple blocks hits the cachetable size limit
|
|
// and flushes eventually happen.
|
|
#ident "$Id$"
|
|
#ident "Copyright (c) 2007-2012 Tokutek Inc. All rights reserved."
|
|
|
|
#include "includes.h"
|
|
#include "test.h"
|
|
#include "cachetable-internal.h"
|
|
|
|
static int flush_calls = 0;
|
|
static int flush_evict_calls = 0;
|
|
static int evicted_keys = 0;
|
|
|
|
static void
|
|
flush (CACHEFILE f __attribute__((__unused__)),
|
|
int UU(fd),
|
|
CACHEKEY k,
|
|
void *v __attribute__((__unused__)),
|
|
void** UU(dd),
|
|
void *e __attribute__((__unused__)),
|
|
PAIR_ATTR s __attribute__((__unused__)),
|
|
PAIR_ATTR* new_size __attribute__((__unused__)),
|
|
bool w,
|
|
bool keep,
|
|
bool f_ckpt __attribute__((__unused__)),
|
|
bool UU(is_clone)
|
|
) {
|
|
assert(w == false);
|
|
sleep(1);
|
|
flush_calls++;
|
|
if (keep == false) {
|
|
flush_evict_calls++;
|
|
if (verbose) printf("%s:%d flush %" PRId64 "\n", __FUNCTION__, __LINE__, k.b);
|
|
evicted_keys |= 1 << k.b;
|
|
}
|
|
}
|
|
|
|
static int fetch_calls = 0;
|
|
|
|
static int
|
|
fetch (CACHEFILE f __attribute__((__unused__)),
|
|
PAIR UU(p),
|
|
int UU(fd),
|
|
CACHEKEY k,
|
|
uint32_t fullhash __attribute__((__unused__)),
|
|
void **value,
|
|
void** UU(dd),
|
|
PAIR_ATTR *sizep,
|
|
int *dirtyp,
|
|
void *extraargs __attribute__((__unused__))
|
|
) {
|
|
|
|
fetch_calls++;
|
|
if (verbose) printf("%s:%d %" PRId64 "\n", __FUNCTION__, __LINE__, k.b);
|
|
|
|
*value = 0;
|
|
*sizep = make_pair_attr(1);
|
|
*dirtyp = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Note: cachetable_size_limit must be a power of 2
|
|
static void cachetable_prefetch_flowcontrol_test (int cachetable_size_limit) {
|
|
int r;
|
|
CACHETABLE ct;
|
|
toku_cachetable_create(&ct, cachetable_size_limit, ZERO_LSN, NULL_LOGGER);
|
|
evictor_test_helpers::set_hysteresis_limits(&ct->ev, cachetable_size_limit, cachetable_size_limit);
|
|
evictor_test_helpers::disable_ev_thread(&ct->ev);
|
|
char fname1[] = __SRCFILE__ "test1.dat";
|
|
unlink(fname1);
|
|
CACHEFILE f1;
|
|
r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
|
|
|
|
int i;
|
|
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
|
|
wc.flush_callback = flush;
|
|
|
|
// prefetch keys 0 .. N-1. they should all fit in the cachetable
|
|
for (i=0; i<cachetable_size_limit+1; i++) {
|
|
CACHEKEY key = make_blocknum(i);
|
|
uint32_t fullhash = toku_cachetable_hash(f1, key);
|
|
bool doing_prefetch = false;
|
|
r = toku_cachefile_prefetch(f1, key, fullhash, wc, fetch, def_pf_req_callback, def_pf_callback, 0, &doing_prefetch);
|
|
assert(doing_prefetch);
|
|
toku_cachetable_verify(ct);
|
|
}
|
|
|
|
// wait for all of the blocks to be fetched
|
|
sleep(3);
|
|
|
|
// prefetch keys N .. 2*N-1. 0 .. N-1 should be evicted.
|
|
for (i=i+1; i<2*cachetable_size_limit; i++) {
|
|
CACHEKEY key = make_blocknum(i);
|
|
uint32_t fullhash = toku_cachetable_hash(f1, key);
|
|
bool doing_prefetch = false;
|
|
r = toku_cachefile_prefetch(f1, key, fullhash, wc, fetch, def_pf_req_callback, def_pf_callback, 0, &doing_prefetch);
|
|
assert(!doing_prefetch);
|
|
toku_cachetable_verify(ct);
|
|
}
|
|
|
|
|
|
toku_cachefile_close(&f1, false, ZERO_LSN);
|
|
if (verbose) printf("%s:%d 0x%x 0x%x\n", __FUNCTION__, __LINE__,
|
|
evicted_keys, (1 << (2*cachetable_size_limit))-1);
|
|
toku_cachetable_close(&ct);
|
|
}
|
|
|
|
int
|
|
test_main(int argc, const char *argv[]) {
|
|
default_parse_args(argc, argv);
|
|
cachetable_prefetch_flowcontrol_test(8);
|
|
return 0;
|
|
}
|