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Set default query execution time limit to unlimited #4626

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merged 2 commits into from
Feb 11, 2020

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rauchy
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@rauchy rauchy commented Feb 9, 2020

What type of PR is this? (check all applicable)

  • Bug Fix

Description

After migrating query executions to RQ, time limits were implicitly set by RQ to 180 seconds. This PR changes the default to 1 hour and adds some docs on how to remove time limits.

@rauchy rauchy requested a review from arikfr February 9, 2020 11:26
@@ -222,6 +222,14 @@
os.environ.get("REDASH_STATIC_ASSETS_PATH", "../client/dist/")
)

# Time limit for scheduled queries. Set this to -1 to execute without a time limit.
SCHEDULED_QUERY_TIME_LIMIT = int(
os.environ.get("REDASH_SCHEDULED_QUERY_TIME_LIMIT", 3600)
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Now that I look at the existing implementation, I wonder if we should use -1 as the default to remain backward compatible?

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@jezdez jezdez Feb 10, 2020

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+1
+0

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@jezdez you have queries running longer than an hour?

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I'm not sure if currently, but it happened in the past. Granted, we're probably not the average user group.

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I think that an hour default value is definitely reasonable for most cases. I just wonder if we should cause issues for any existing deployments :\

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Well, I think I change my initial response to +0, since this is a settings we can set it to a larger value before deploy. IOW don't consider our use case as a blocker.

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I don't see any value in imposing a default limit. As long as it's configurable, a -1 sounds good.

@arikfr arikfr changed the title Set default query execution time limit to 1 hour Set default query execution time limit to unlimited Feb 11, 2020
@arikfr arikfr merged commit ddb0ef1 into master Feb 11, 2020
@arikfr arikfr deleted the add-default-time-limits-to-query-execution branch February 11, 2020 09:23
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3 participants