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fix: support raw_read() for log cache

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This commit is contained in:
obdev
2024-05-24 04:39:21 +00:00
committed by ob-robot
parent c1584fc288
commit c10a663da7
11 changed files with 118 additions and 21 deletions
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32
unittest/logservice/test_log_cache.cpp
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@ -140,7 +140,7 @@ TEST_F(TestLogCache, test_miss)
int64_t out_read_size = 0;
int64_t has_read_size = 5000;
int64_t real_read_size = lower_align(has_read_size, LOG_DIO_ALIGN_SIZE);
EXPECT_EQ(OB_SUCCESS, cold_cache.deal_with_miss_(true, has_read_size,lsn, in_read_size , out_read_size, &iterator_info));
EXPECT_EQ(OB_SUCCESS, cold_cache.deal_with_miss_(true, has_read_size, in_read_size + CACHE_LINE_SIZE, lsn, in_read_size, out_read_size, &iterator_info));
EXPECT_EQ(old_lsn.val_ + real_read_size, lsn.val_);
EXPECT_EQ(MAX_LOG_BODY_SIZE - real_read_size, in_read_size);
EXPECT_EQ(real_read_size, out_read_size);
@ -154,10 +154,38 @@ TEST_F(TestLogCache, test_miss)
int64_t in_read_size = MAX_LOG_BODY_SIZE;
int64_t has_read_size = 0;
int64_t out_read_size = 0;
EXPECT_EQ(OB_SUCCESS, cold_cache.deal_with_miss_(true, has_read_size, lsn, in_read_size , out_read_size, &iterator_info));
EXPECT_EQ(OB_SUCCESS, cold_cache.deal_with_miss_(true, has_read_size, in_read_size + CACHE_LINE_SIZE, lsn, in_read_size, out_read_size, &iterator_info));
EXPECT_EQ(PALF_BLOCK_SIZE, lsn.val_);
EXPECT_EQ(MAX_LOG_BODY_SIZE + (old_lsn.val_ - lsn.val_), in_read_size);
}
// test miss for small buf
{
iterator_info.reset();
LSN lsn(PALF_INITIAL_LSN_VAL);
int64_t in_read_size = MAX_LOG_BODY_SIZE;
int64_t has_read_size = 0;
int64_t out_read_size = 0;
int64_t buf_len = in_read_size;
EXPECT_EQ(OB_SUCCESS, cold_cache.deal_with_miss_(true, has_read_size, buf_len, lsn, in_read_size, out_read_size, &iterator_info));
// shouldn't read more log because of small buf size
EXPECT_EQ(PALF_INITIAL_LSN_VAL, lsn.val_);
EXPECT_EQ(MAX_LOG_BODY_SIZE, in_read_size);
}
// test miss for last cache line in log block
{
iterator_info.reset();
// read lsn is in the last cache line of the second log block
LSN lsn(PALF_BLOCK_SIZE * 2 - 32 * 1024);
int64_t in_read_size = 32 * 1024;
int64_t has_read_size = 0;
int64_t out_read_size = 0;
int64_t buf_len = in_read_size + CACHE_LINE_SIZE;
EXPECT_EQ(OB_SUCCESS, cold_cache.deal_with_miss_(true, has_read_size, buf_len, lsn, in_read_size, out_read_size, &iterator_info));
EXPECT_EQ(PALF_BLOCK_SIZE * 2 - 60 * 1024, lsn);
EXPECT_EQ(LAST_CACHE_LINE_SIZE, in_read_size);
}
}
TEST_F(TestLogCache, test_flashback)