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Improve jdbc performance #1012

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Feb 24, 2023
Merged

Improve jdbc performance #1012

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cb18c14
feat(cli): reduce min poll interval to improve performance of flows w…
loicmathieu Feb 23, 2023
2274f48
feat: improve poll queries on PostgreSQL
loicmathieu Feb 23, 2023
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2 changes: 1 addition & 1 deletion cli/src/main/resources/application.yml
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Expand Up @@ -107,7 +107,7 @@ kestra:
cls: io.kestra.core.models.topologies.FlowTopology

queues:
min-poll-interval: 100ms
min-poll-interval: 25ms
max-poll-interval: 1000ms
poll-switch-interval: 5s

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8 changes: 8 additions & 0 deletions jdbc-postgres/src/main/resources/migrations/postgres/V6__queue_index_optim.sql
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@@ -0,0 +1,8 @@
-- We drop the PK and the queues_type__offset, otherwise they are used by the poll query which is sub-optimal.
-- We create an hash index on offset that will be used instead when filtering on offset.

ALTER TABLE public.queues DROP CONSTRAINT queues_pkey;

DROP INDEX queues_type__offset;

CREATE INDEX queues_offset ON public.queues USING hash ("offset");