* introduce a random jitter to region cache ttl
Signed-off-by: zyguan <zhongyangguan@gmail.com>
* refactor searching cached region
Signed-off-by: zyguan <zhongyangguan@gmail.com>
* observe load region by reason
Signed-off-by: zyguan <zhongyangguan@gmail.com>
* address the comment
Signed-off-by: zyguan <zhongyangguan@gmail.com>
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Signed-off-by: zyguan <zhongyangguan@gmail.com>
* *: update google/btree to improve performance
Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
* update ci
Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>