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Questions tagged [autovacuum]

Postgres Autovacuum Daemon

PostgreSQL has an optional but highly recommended feature called autovacuum, whose purpose is to automate the execution of VACUUM and ANALYZE commands. When enabled, autovacuum checks for tables that have had a large number of inserted, updated or deleted tuples. These checks use the statistics collection facility; therefore, autovacuum cannot be used unless track_counts is set to true. In the default configuration, autovacuuming is enabled and the related configuration parameters are appropriately set.

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How to restore all autovacuum settings to their postgres default

I made many changes to postgres autovacuum settings such as changing the cost_delay and naptime settings. I'm not confident what all my changes were---and would like to reset autovacuum settings to their default. Is there a command I can execute to…
Mittenchops
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Postgres auto-vacuum doesn't reclaim the dead tuples space causes disk full issue

I have a use case to insert 100 000 rows per min at the same time in another end few threads will take the rows and delete them from my table. So definitely it will create lot of dead tuples in my table. My auto-vacuum configurations…
Mideen abdul gaffoor
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Postgres autovacuum high cpu/disk after database import

I have migrated a 2tb Postgres 9.4 database from one server to another, and after the import the autovacuum is going crazy with high cpu and disk for several days. The database has over 40,000 schemas/tables. I have tried shutting down the database…
James
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How to ensure that the autovacuum daemon is running in my PostgreSQL Docker Container?

I am benchmarking my database running in a Docker container against fragmentation issues and found out that the autovacuum daemon is not running. SELECT schemaname, relname, last_vacuum, last_autovacuum, vacuum_count, autovacuum_count …
Natalie Perret
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Postgres autovacuum doesn't free disk space

I have a DB where in one table i have over 8 million inserts every day (recordings are distributed over time, about 90-100 per second). And every day I delete all records over 7 days old, but disk space for table doesn't stop growing. Autovacuum is…
Radoslav
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Setting autovacuum on partitioned tables in Postgres 11

I'm trying to adjust autovacuum settings on a partitioned table, on PostgreSQL 11. e.g: # create table test (ts timestamp) partition by range (ts); CREATE TABLE # alter table test set (autovacuum_analyze_scale_factor = 0.1); ERROR: unrecognized…
Sylvain
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is there any adverse effect on DB if I set autovacuum scale factor to zero for certain tables?

We are using postgres 9.2 version on Centos operating system. We have around 1300+ tables.We have following auto vacuum settings are enables. Still few of the tables(84 tables) which are always busy are not vacuumed.Dead tuples in those tables are…
Raghavendra
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Postgres - autovacuum questions

I have a couple of questions about autovacuum: Is it safe to turn of vacuuming before a long process of loading/updating data or big queries? What are the recommended configurations for autovacuum?
refaelos
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pg_toast table not reduced in size after autovacuum

I'm on Postgresql 9.3. I have a monstrous pg_toast table, pg_toast_675632, taking up 27 GB. Unless I am misunderstanding, this pg_toast_675632 is so large because I had a large json column in the data table that the pg_toast_675632 is related to,…
BigRon
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How to make sure autovacuum does not block dropdb?

The title basically says it. Running dropdb seems to fail if autovacuum is active. I'm currently using vacuumdb --full x && dropdb x as workaround (I assume that after a full vacuum run no vacuum will be active afterwards if the db is not modified.)…
ben
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is it safe to enable autovacuum for a table in PostgreSQL

Am newbie in PostgreSQL(Version 9.2) Database development. While looking one of my table a saw an option called autovaccum. many of my table contains 20000+ rows.For testing purpose I've altered one of that table like below ALTER TABLE theTable SET…
user3814846
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Postgres autovacuum fails to start due to misconfiguration

I am attempting to re-enable autovacuuming on a Postgres 9.1 instance and am receiving this in the db log: 2013-07-07 14:47:12 CDT WARNING: autovacuum not started because of misconfiguration 2013-07-07 14:47:12 CDT HINT: Enable the "track_counts"…
Forelight
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High CPU load after massive delete on PostgreSQL server

I've deleted ~65 million rows from a PostgreSQL table with ~75 million rows. As soon as the deletion query completed, the CPU plummeted to 100% for about five minutes. The table from which rows were deleted has multiple indexes and was in heavy use…
Alechko
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PostgreSQL autovacuum Statistic Level For Table Column

We can list tables' s custom options why checking pg_class' s reloptions columns. For example; like this post. select relname, reloptions from pg_class where relname = 'a_table'; Yet, I couldn' t find anything in official documents and on the…
Umut TEKİN
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postgres vacuum_freeze_min_age vs autovacuum_freeze_min_age

I fail to understand why pg_settings parameter vacuum_freeze_min_age is named differently than the table parameter autovacuum_freeze_min_age. Isn't the purpose of this setting on table level to overwrite the general setting? Shouldn't they share the…
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