Details
Major - P3 Description
We are seeing several different failure modes in stress testing relating to the cache being pinned full - leaving format in a state where it can't make forward progress. We see one of two symptoms from this issue:
eviction-server: Cache stuck for too long, giving up: Connection timed out
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OR
format run exceeded 15 minutes past the maximum time, aborting the process.
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The cache can be stuck full of either clean or dirty pages. We should characterise the different failures being seen at the moment - and put a plan in place to fix bugs and otherwise stop our stress testing from encountering stuck-cache conditions.