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mdbx-test: простая проверка warmup.

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Леонид Юрьев (Leonid Yuriev) 2022-10-21 23:09:44 +03:00
parent d661d4bac7
commit 7902b97a3d
1 changed files with 13 additions and 0 deletions
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13
test/test.cc
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@ -199,6 +199,19 @@ void testcase::txn_begin(bool readonly, MDBX_txn_flags_t flags) {
log_trace("<< txn_begin(%s, 0x%04X)", readonly ? "read-only" : "read-write",
flags);
if (flipcoin_n(5)) {
const unsigned mask =
unsigned(MDBX_warmup_default | MDBX_warmup_force | MDBX_warmup_oomsafe |
MDBX_warmup_lock | MDBX_warmup_touchlimit);
static unsigned counter;
MDBX_warmup_flags_t warmup_flags = MDBX_warmup_flags_t(
(counter > MDBX_warmup_release) ? prng64() & mask : counter);
counter += 1;
int err = mdbx_env_warmup(db_guard.get(), txn, warmup_flags, 0);
log_trace("== counter %u, env_warmup(flags %u), rc %d", counter,
warmup_flags, err);
}
}
int testcase::breakable_commit() {