Questions tagged [vacuum]

In SQLite and PosgreSQL, the VACUUM command rebuilds the entire database.

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POSTGRESQL VACUUM ANALYZE fails for table with a hstore column

When running VACUUM ANALYZE on a table with a hstore column i get the following error: ERROR: could not identify a comparison function for type hstore Can I force it to complete without a comparison function and if not, how do I define one?
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Phonegap Sqlite Vacuum

We have an offline capable tablet app using VSNomad (through Phonegap) with Sqlite local database. One thing I've noticed is when we delete all data from tables and drop tables (doing an "app reset") on an iPad it doesn't reflect that space has…
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Launch autovaccum automatically

Im new using posgtresql, i want to do an autovaccum when dead_rows are high. How can i do it automatically. Thank you,
dsp
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Dead Tuples are not being collected by VACCUM FULL Command

Apologies, This is long post and question & postgres newbie Wanted to know how postgres VACCUM and VACCUM FULL works, which is preferable for 700 GB Table archival without downtime. VACCUM FULL CASE: In this case looks like the memory is being…
Sathish
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how do vacuum with localstorage?

working in qt, SQLite, I'm trying to do vacuum but I don't know how to do. I did vacuum using db browser and it's working fine. With QT I have JS like: function dbGetHandle() { try { var db = LocalStorage.openDatabaseSync("Kardex",…
Philippe
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VACUUMing DataBase in Android

Here it's mentioned that Vacuuming is necessary in Sqlite. I have a Database (500MB) in my android application but after some insert and delete the size become 800MB but the database is exact as the first time. I think Sqlite doesn't delete the…
Malus Jan
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Meaning of VACUUM output

When I run VACUUM on a table it gives output like: CPU 35.06s/175.00u sec elapsed 811.97 sec. What does CPU 35.06s/175.00u sec mean? VACUUM on a single table in my DB takes a very long time, it is important for me to understand this.
smn_onrocks
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