update FAQ to reflect low priority of backfill tasks on dramatiq #293
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gheise
reviewed
Apr 28, 2022
| ``` | ||
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| For messages failed and waiting to retry in the delay queue (DQ), query: | ||
| ``` | ||
| HGETALL dramatiq:default.DQ.msgs | ||
| HGETALL dramatiq:low.DQ.msgs |
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In reality, tasks sent from the listener are high priority, while tasks queued manually are low priority, so there are two delay queues and X queues.
| DEL dramatiq:default.msgs | ||
| DEL dramatiq:default.DQ.msgs | ||
| DEL dramatiq:low.msgs | ||
| DEL dramatiq:low.DQ.msgs |
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Same applies here: deleting backfill tasks:
DEL "dramatiq:low.msgs"
deleting listener tasks:
DEL "dramatiq:high.msgs"
| @@ -141,23 +141,23 @@ To see progress and failed batches, connect to Redis with | |||
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| For total messages, query: | |||
| ``` | |||
| HLEN dramatiq:default.msgs | |||
| HLEN dramatiq:low.msgs | |||
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Missing quotes around the ZSET, "dramatiq:low.msgs"
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What does this PR do?
Commit 1fbecbe changed the priority of worker tasks on dramtiq, so the FAQ instructions for redis need updating.
Related issue
294
Testing
I tested these commands on my own system. With
defaultpriority, no messages were returned. Withlowpriority, all the expected messages about runningbackfilltasks were returned.Checklist before merging
./mev test