If increasingwork_memsetting does not help with performance of the query we should check bloat table size which can be reclaim with running a full vacuum on specific table, note should work with DBA team to analyze it. Table bloat size can grow with frequent table update/delete/inserts. Addi...
Top tables by Delete/Update operations. Metrics related to vacuum and autovacuum process. User functions statistics This module can be downloaded from this repository: https://github.com/zubkov-andrei/pg_profile pgpro_statsmodule is used as a combination ofpg_stat_statements,pg_stat_kcacheandpg_w...
while anomalies are unlikely, they aren't impossible. For example, a row value can be reused as long as the DELETE was replayed on all nodes, including down nodes. This might normally occur in less than a second but can take days if a severe issue occurred on one node that prevented it...
All of these application interactions eventually are turned into SQL operations like SELECT, INSERT, UPDATE, and DELETE with the application database, and those operations that read and write count towards the IOPS quota that's available. The average duration of our IO is a factor. A slow app...
Improves performance of bulk deletesif the data you're expiring is associated with older partitions, so you can avoid having to scan the table, table bloat, and fragmentation by simply dropping the old partitions. Improves performance of autovacuum, since it can run in parallel on the partitions...
So the time it takes to actually load all the data is in the same order of magnitude as the time it takes to delete the rows, while leaving out the large blob speeds up the process significantly. Therefore I have ruled out that the subquery is the problem. Why does deletion of large...
Single key: Your workload is mostly based on a single key, which you just have to create, read, update, and delete. (Therefore the majority of your transactions will only need to go to a single shard in the distributed Citus cluster.) ...
BDR can't replicateUPDATEandDELETEoperations on tables without aPRIMARY KEYorUNIQUEconstraint. The exception is when the replica identity for the table isFULL, either by table-specific configuration or bybdr.default_replica_identity. Ifbdr.default_replica_identityisDEFAULTand there is aUNIQUEconstraint...
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PGD can't replicateUPDATEandDELETEoperations on tables without aPRIMARY KEYorUNIQUEconstraint. The exception is when the replica identity for the table isFULL, either by table-specific configuration or bybdr.default_replica_identity. Ifbdr.default_replica_identityisdefaultand there is aUNIQUEconstraint...