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Diffstat (limited to 'storage/tokudb/PerconaFT/ft/tests/cachetable-eviction-getandpin-test2.cc')
| -rw-r--r-- | storage/tokudb/PerconaFT/ft/tests/cachetable-eviction-getandpin-test2.cc | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/ft/tests/cachetable-eviction-getandpin-test2.cc b/storage/tokudb/PerconaFT/ft/tests/cachetable-eviction-getandpin-test2.cc new file mode 100644 index 00000000..f6dd04f3 --- /dev/null +++ b/storage/tokudb/PerconaFT/ft/tests/cachetable-eviction-getandpin-test2.cc @@ -0,0 +1,190 @@ +/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ +// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4: +#ident "$Id$" +/*====== +This file is part of PerconaFT. + + +Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved. + + PerconaFT is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License, version 2, + as published by the Free Software Foundation. + + PerconaFT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with PerconaFT. If not, see <http://www.gnu.org/licenses/>. + +---------------------------------------- + + PerconaFT is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License, version 3, + as published by the Free Software Foundation. + + PerconaFT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with PerconaFT. If not, see <http://www.gnu.org/licenses/>. +======= */ + +#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved." + +/* verify that get_and_pin waits while a prefetch block is pending */ + +#include "test.h" + + +static void +pe_est_callback( + void* UU(ftnode_pv), + void* UU(dd), + long* bytes_freed_estimate, + enum partial_eviction_cost *cost, + void* UU(write_extraargs) + ) +{ + *bytes_freed_estimate = 7; + *cost = PE_EXPENSIVE; +} + +static int +pe_callback ( + void *ftnode_pv __attribute__((__unused__)), + PAIR_ATTR bytes_to_free __attribute__((__unused__)), + void* extraargs __attribute__((__unused__)), + void (*finalize)(PAIR_ATTR new_attr, void *extra), + void *finalize_extra + ) +{ + sleep(3); + finalize(make_pair_attr(bytes_to_free.size - 7), finalize_extra); + return 0; +} + +static uint64_t tdelta_usec(struct timeval *tend, struct timeval *tstart) { + uint64_t t = tend->tv_sec * 1000000 + tend->tv_usec; + t -= tstart->tv_sec * 1000000 + tstart->tv_usec; + return t; +} + +static void cachetable_prefetch_maybegetandpin_test (void) { + const int test_limit = 12; + int r; + CACHETABLE ct; + toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr); + evictor_test_helpers::disable_ev_thread(&ct->ev); + const char *fname1 = TOKU_TEST_FILENAME; + unlink(fname1); + CACHEFILE f1; + r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0); + CACHEKEY key = make_blocknum(0); + uint32_t fullhash = toku_cachetable_hash(f1, make_blocknum(0)); + + // let's get and pin this node a bunch of times to drive up the clock count + CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL); + wc.pe_est_callback = pe_est_callback; + wc.pe_callback = pe_callback; + for (int i = 0; i < 20; i++) { + void* value; + r = toku_cachetable_get_and_pin( + f1, + key, + fullhash, + &value, + wc, + def_fetch, + def_pf_req_callback, + def_pf_callback, + true, + 0 + ); + assert(r==0); + r = toku_test_cachetable_unpin(f1, key, fullhash, CACHETABLE_DIRTY, make_pair_attr(8)); + } + + struct timeval tstart; + gettimeofday(&tstart, NULL); + + // fetch another block, causing an eviction of the first block we made above + void* value2; + r = toku_cachetable_get_and_pin( + f1, + make_blocknum(1), + 1, + &value2, + wc, + def_fetch, + def_pf_req_callback, + def_pf_callback, + true, + 0 + ); + assert(r==0); + ct->ev.signal_eviction_thread(); + usleep(1*1024*1024); + r = toku_test_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8)); + + + toku_cachetable_verify(ct); + + void *v = 0; + // now verify that the block we are trying to evict may be pinned + r = toku_cachetable_get_and_pin_nonblocking( + f1, + key, + fullhash, + &v, + wc, + def_fetch, + def_pf_req_callback, + def_pf_callback, + PL_WRITE_EXPENSIVE, + NULL, + NULL + ); + assert(r==TOKUDB_TRY_AGAIN); + r = toku_cachetable_get_and_pin( + f1, + key, + fullhash, + &v, + wc, + def_fetch, + def_pf_req_callback, + def_pf_callback, + true, + NULL + ); + assert(r == 0 && v == 0); + PAIR_ATTR attr; + r = toku_cachetable_get_attr(f1, key, fullhash, &attr); + assert(r == 0 && attr.size == 1); + + struct timeval tend; + gettimeofday(&tend, NULL); + + assert(tdelta_usec(&tend, &tstart) >= 2000000); + if (verbose) printf("time %" PRIu64 " \n", tdelta_usec(&tend, &tstart)); + toku_cachetable_verify(ct); + + r = toku_test_cachetable_unpin(f1, key, fullhash, CACHETABLE_CLEAN, make_pair_attr(1)); + assert(r == 0); + toku_cachetable_verify(ct); + + toku_cachefile_close(&f1, false, ZERO_LSN); + toku_cachetable_close(&ct); +} + +int +test_main(int argc, const char *argv[]) { + default_parse_args(argc, argv); + cachetable_prefetch_maybegetandpin_test(); + return 0; +} |