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[CP] opt: provide a new sync interface for getting gts timestamp

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This commit is contained in:
obdev
2024-02-08 12:15:41 +00:00
committed by ob-robot
parent 7775df4c75
commit 31e5ff5f59
6 changed files with 434 additions and 29 deletions
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12
unittest/storage/tx/it/test_tx.cpp
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@ -2405,10 +2405,14 @@ TEST_F(ObTestTx, interrupt_get_read_snapshot)
PREPARE_TX(n1, tx);
ObTxReadSnapshot snapshot;
n1->get_ts_mgr_().inject_get_gts_error(OB_EAGAIN);
ASYNC_DO(acq_snapshot, n1->get_read_snapshot(tx, ObTxIsolationLevel::RC, n1->ts_after_ms(20 * 1000), snapshot));
ASSERT_EQ(OB_SUCCESS, n1->interrupt(tx, OB_TRANS_KILLED));
ASYNC_WAIT(acq_snapshot, 2000 * 1000, wait_ret);
ASSERT_EQ(OB_ERR_INTERRUPTED, wait_ret);
int ret = OB_SUCCESS;
do {
ASYNC_DO(acq_snapshot, n1->get_read_snapshot(tx, ObTxIsolationLevel::RC, n1->ts_after_ms(20 * 1000), snapshot));
ASSERT_EQ(OB_SUCCESS, n1->interrupt(tx, OB_TRANS_KILLED));
ASYNC_WAIT(acq_snapshot, 2000 * 1000, wait_ret);
ret = wait_ret;
} while (OB_GTS_NOT_READY == ret);
ASSERT_EQ(OB_ERR_INTERRUPTED, ret);
ROLLBACK_TX(n1, tx);
}

24
unittest/storage/tx/mock_utils/basic_fake_define.h
View File

@ -271,6 +271,30 @@ public:
return ret;
}
int get_gts_sync(const uint64_t tenant_id,
const MonotonicTs stc,
const int64_t timeout_us,
share::SCN &scn,
MonotonicTs &receive_gts_ts)
{
int ret = OB_SUCCESS;
const int64_t expire_ts = ObClockGenerator::getClock() + timeout_us;
do {
int64_t n = ObClockGenerator::getClock();
if (n >= expire_ts) {
ret = OB_TIMEOUT;
} else if (OB_FAIL(get_gts(tenant_id, stc, NULL, scn, receive_gts_ts))) {
if (OB_EAGAIN == ret) {
ob_usleep(500);
}
}
} while (OB_EAGAIN == ret);
return ret;
return get_gts(tenant_id, stc, NULL, scn, receive_gts_ts);
}
int get_gts(const uint64_t tenant_id, ObTsCbTask *task, share::SCN &scn) {
if (get_gts_error_) { return get_gts_error_; }
return OB_SUCCESS;