fix: Do not clear the schema cache during retries - #4869
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Clarifying the motivation on #4873 |
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Follow up question on #4873 (comment), not sure if it's correct to do the fix like this. |
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@steve-chavez - So what's the conclusion after #4873 (comment), #4873 (comment) and all discussions in #4873 ? Are we going to proceed with this PR? |
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@mkleczek We need to clarify what are we going to do with the request "waiting" (not sure how to call this) mentioned on #4873 (comment) because there's also a scenario here where we void the schema cache and we force clients to wait while the schema cache is reloaded again. If that "waiting" is useless, let's settle it on #4873 (comment). |
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Now that we clarified the "waiting" was ineffective on #4937, let's proceed with reviewing this. |
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retryingSchemaCacheLoad should not clear existing schema cache upon failure - there is no reason to do that. If there is a communication issue with the database server or db is down, clients are going to get 502 anyway. If it was a glitch when loading the schema cache - the clients are going to use old (stale) schema cache for some time until next retry re-loads it successfully.
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Helped here rebasing and addressing the feedback. Will merge now. |
taimoorzaeem
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DISCLAIMER:
This commit was authored entirely by a human without the assistance of LLMs.
retryingSchemaCacheLoadshould not clear existing schema cache upon failure - there is no reason to do that.If there is a communication issue with the database server or db is down, clients are going to get 502 anyway. If it was a glitch when loading the schema cache - the clients are going to use old (stale) schema cache for some time until next retry re-loads it successfully.
Fixes #4873