I set the cursor_tuple_fraction to 1 now I am seeing high cpu for fetach all in
The number of rows returned is less than 200. Why is the high cpu being shown for fetch all -Ayub On Fri, 25 Jun 2021, 19:09 Ayub Khan, <ayub...@gmail.com> wrote: > > I am using postgresql 12 and using cursors in a stored procedure, > executing procedure which has cursor is slowing down the call. However if I > do not use the cursor and just execute the queries using JDBC (Java client) > it's fast. > > Is there any setting which needs to be modified to improve the performance > of cursors. Also facing slow response with reading blobs (images) from db. > Not an ideal way for storing images in db but this is a legacy application > and wanted to check if there a quick tweak which can improve the > performance while reading blob data from db. > > --Ayub >
