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192 lines
6.3 KiB
C++
192 lines
6.3 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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/*======
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This file is part of PerconaFT.
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Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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----------------------------------------
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PerconaFT is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License, version 3,
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as published by the Free Software Foundation.
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PerconaFT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
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======= */
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#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
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#include "test.h"
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CACHEFILE f1;
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CACHEFILE f2;
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bool check_flush;
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bool dirty_flush_called;
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bool check_pe_callback;
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bool pe_callback_called;
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bool enable_partial_eviction;
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CACHETABLE ct;
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static int
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pe_callback (
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void *ftnode_pv __attribute__((__unused__)),
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PAIR_ATTR bytes_to_free __attribute__((__unused__)),
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void* extraargs __attribute__((__unused__)),
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void (*finalize)(PAIR_ATTR bytes_freed, void *extra),
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void *finalize_extra
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)
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{
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if (check_pe_callback) {
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pe_callback_called = true;
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}
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usleep(4*1024*1024);
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finalize(make_pair_attr(1), finalize_extra);
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return 0;
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}
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static void
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flush (CACHEFILE f __attribute__((__unused__)),
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int UU(fd),
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CACHEKEY k __attribute__((__unused__)),
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void *v __attribute__((__unused__)),
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void **dd __attribute__((__unused__)),
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void *e __attribute__((__unused__)),
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PAIR_ATTR s __attribute__((__unused__)),
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PAIR_ATTR* new_size __attribute__((__unused__)),
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bool w __attribute__((__unused__)),
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bool keep __attribute__((__unused__)),
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bool c __attribute__((__unused__)),
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bool UU(is_clone)
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) {
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if (check_flush && w) {
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dirty_flush_called = true;
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}
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}
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static void *f2_pin(void *arg) {
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int r;
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void* v1;
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CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
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//
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// these booleans for pe_callback just ensure that the
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// test is working as we expect it to. We expect the get_and_pin to
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// cause a partial eviction of f1's PAIR, reducing its size from 8 to 1
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// and we expect that to be enough so that the unpin does not invoke a partial eviction
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// This is just to ensure that the bug is being exercised
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//
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check_pe_callback = true;
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r = toku_cachetable_get_and_pin(f2, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
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assert(r == 0);
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ct->ev.signal_eviction_thread();
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usleep(1*1024*1024);
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if (enable_partial_eviction)
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assert(pe_callback_called);
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else
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assert(!pe_callback_called);
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pe_callback_called = false;
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r = toku_test_cachetable_unpin(f2, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
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check_pe_callback = false;
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assert(!pe_callback_called);
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assert(r == 0);
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return arg;
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}
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static void
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cachetable_test (void) {
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const int test_limit = 12;
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int r;
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check_flush = false;
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dirty_flush_called = false;
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toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
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evictor_test_helpers::disable_ev_thread(&ct->ev); // disable eviction thread
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toku_set_enable_partial_eviction(ct, enable_partial_eviction);
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toku_os_recursive_delete(TOKU_TEST_FILENAME);
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r = toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU);
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assert_zero(r);
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char fname1[TOKU_PATH_MAX + 1];
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unlink(toku_path_join(fname1, 2, TOKU_TEST_FILENAME, "test1.dat"));
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char fname2[TOKU_PATH_MAX + 1];
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unlink(toku_path_join(fname2, 2, TOKU_TEST_FILENAME, "test2.dat"));
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r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO);
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assert(r == 0);
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r = toku_cachetable_openf(&f2, ct, fname2, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO);
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assert(r == 0);
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void* v1;
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CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
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wc.pe_callback = pe_callback;
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wc.flush_callback = flush;
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// pin and unpin a node 20 times, just to get clock count up
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for (int i = 0; i < 20; i++) {
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r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
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assert(r == 0);
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r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_DIRTY, make_pair_attr(8));
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assert(r == 0);
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}
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// at this point, we have a dirty PAIR in the cachetable associated with
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// cachefile f1
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// launch a thread that will put another PAIR in the cachetable, and get
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// partial eviction started
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toku_pthread_t tid;
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r = toku_pthread_create(
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toku_uninstrumented, &tid, nullptr, f2_pin, nullptr);
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assert_zero(r);
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usleep(2 * 1024 * 1024);
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check_flush = true;
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toku_cachefile_close(&f1, false, ZERO_LSN);
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if (enable_partial_eviction)
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assert(dirty_flush_called);
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else
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assert(!dirty_flush_called);
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check_flush = false;
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void *ret;
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r = toku_pthread_join(tid, &ret);
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assert_zero(r);
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toku_cachetable_verify(ct);
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toku_cachefile_close(&f2, false, ZERO_LSN);
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toku_cachetable_close(&ct);
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}
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int
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test_main(int argc, const char *argv[]) {
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if (argc!=2) { printf("argcount should be 2.\n"); exit(1); }
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if (strcmp(argv[1], "enable_pe") == 0) {
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enable_partial_eviction = true;
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} else {
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enable_partial_eviction = false;
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}
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cachetable_test();
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return 0;
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}
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