Questions tagged [vacuum]
The vacuum command in postgres releases unused space. Be sure to also include the [postgres] tag, and version tag such as [postgresql-9.6]. Include an operating system tag,
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How do I fix multixact wraparound after it has already occurred?
I have a database which has a single table for which MultiXact wraparound has already occurred. Neither manual vacuums nor automatic vacuums are able to fix this condition.
Manual vacuums fail almost ...
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AWS Aurora Database Corruption
I'm running Aurora Postgres and noticed that metric Maximum Used Transaction IDs is increasing a lot. Trying to manually vacuum the tables that's was not automatically vacuumed lead me to the ...
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Stubborn autovacuum process slow things dows
We are facing a strange problem since yesterday.
In a database of ours there is a partitioned table containing historical data. That is, every week's data goes to a different partition and stays ...
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Table recent performance degradation
So on my current project we have an ETL process that on its final stage ends up writing about 35 million of records on table on a PostgreSQL database (PostGIS actually). The version we are currently ...
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Does VACUUM FULL ANALYZE a partition locks the main table in postgresql?
I'm using postgresql 9.5 and partman for partitioning tables.
there is this table that has 30 partitions and volume of one of them are too higher than others. so I need to full vacuum this partition ...
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Postgresql - Auto vacuum is disables in conf file, but still everyday its running
Im using Postgresql 9.2. I have disabled auto vacuum in Conf, but still, I can see this auto vacuum is running on few tables every day. Can anyone help me find out why its running?
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Amazon Redshift VACUUM error
I'm trying to run vacuum delete only on a table with big amount of columns (800+) and 4 million rows.
I know it's recommended to use deep copy instead, but still am wondering if running vacuum is ...
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PostgreSQL 14 blocked
I have a fairly serious problem with PostgreSQL, it happens at intervals of a few days that some tables on my PostgreSQL instance crash, or rather this is my feeling.
Linked queries are very slow.
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Full vacuum on big table (2.7 TB)
I have big database which contains a table of 2.7TB of data. I deleted some records, and I want to reclaim the disk space.
However, i only have about 200 gb free disk space left. How can I do this?
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AWS Aurora for PostgreSQL strange vacuum cost parameters
Today, I found out that in AWS Aurora for PostgreSQL 11 the default cluster parameter vacuum_cost_page_miss = 0 whereas vacuum_cost_page_hit = 1.
I'd love to understand the logic behind pricing a page ...
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Postgresql, vacuum issues
I experiencing issues while vacuuming a DB table:
database=# vacuum (verbose) table_name;
INFO: vacuuming "public.table_name"
ERROR: uncommitted xmin 415285800 from before xid cutoff 462314292
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PostgreSQL problems after vacuum - multiple rows with same pkey, different counts of those rows from seq scan vs index
We tried to run a full vacuum on our Postgres database the other day because of disk problems. A bunch of things went wrong along the way and eventually we stopped the vacuum.
Now we have some new ...
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autovacuum daemon considers pg_largeobject table?
I have a table which is having oid column and few oid column's data might be frequently modified from my application. I thought, it would rewrite the data and replace with new data (basically, thought ...
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will vacuumlo find orphaned objects
A Table (mytable) is having 2 columns
id_ | loid_
(integer) | (oid)
Values are
id_ | loid_
1 | 15001
2 | 15002
Value in loid_ column refers the oid from pg_largeobject. And if I ...
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Postgresql 9.2 - Auto vacuum running continuously for 18+ hours
I currently have a table that is updated daily (easily 20%+ rows are updated, all floats/integers) and the vacuum is kicking off and running for more than 18 hours. There are 19 million rows total.
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Disk space and performance issues while updating a PostgreSQL table with over 120 million rows
I have a single table with an approximate size of 85gb and roughly around 120 million of rows (in a PostgreSQL (12.8) database).
I need to update all 120 something million rows with an update query to ...
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VACUUM is significantly slower in Postgresql 13 compared to Postgresql 12
After switching to Postgresql 13 (13.6) from Postgresql 12 (12.10), we noticed that the manual VACUUM operation takes significantly more time, often more than double compared to Postgresql 12. Which ...
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Table Toast data is growth out of control
We are using PostgreSQL version 11 in our production environment. And we are running out of disk space because of Postgres. When I check the table sizes in my DB with this query I saw that the ...
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autovacuum for postgresdb takes a lot of resource on production
On our production database autovacuum runs whenever it's needed. The problem is sometime it runs during the day which is the peak time. Looked at lots of difficult articles on web, we should always ...
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VACUUM FULL alternatives on Windows PGSQL (pg_repack, pg_squeeze, ... )
I have a big table which needs a Vacuum full, but I don't have enough disk space.
I was looking online and came across some: pg_repack, pg_squeeze, ...
Am I mistaken or are all these extensions Linux ...
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How to reduce disk usage on a RDS Postgres instance after a significant increase following a VACUUM(FULL, ANALYZE, VERBOSE)?
We have a Postgres 13 database that has been slowly but steadily increasing its disk usage on Amazon RDS. Right before a VACUUM(FULL, ANALYZE, VERBOSE) command it was ~300 GB, but afterwards it jumped ...
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Index maintenance on pg_catalog tables in AWS RDS
I have had some bad historical usage on my Aurora PostgreSQL instance. Namely, connections that create a lot of temporary objects and some very long running transactions (which limits autovacuum).
Now ...
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Why isn't autovaccum running/completing?
My PostgreSQL instance (AWS Aurora) isn't autovacuuming. Or it is, but it is somehow being interrupted or stopped. I'm not canceling any autovacuum queries (though I suppose AWS itself could be).
The ...
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Stored Procedure for Vacuum in PostgreSQL
I want to create a stored procedure to trigger vacuum, I know there are many ways to automate vacuum, but I would like to use the stored procedure (Postgresql 9.6).
The problem Im facing is, I can't ...
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Postgres TX Wraparound - confused
i am running postgres on aws and trying to get my head around the "tx wraparound topic".
i executed the following steps to "play" around
take snaptshot of production database (here "our_main_db")
...
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Small databases, large backup files
We have PostgreSQL 9.6 databases and a dailytask running a pg_dump for all databases, though these backups are getting "large" at this point.
My database was 900MB, then I tried clearing it by ...
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