Re: [PERFORM] exponential performance decrease in ISD transaction

2012-09-03 Thread Jeff Janes
On Mon, Sep 3, 2012 at 4:22 AM, John Nash wrote: > Hi, > > We can try installing version 8.4.9, but when downloading the > software, we installed the binaries and files given in postgresql web > page named as version 9.1.3. This is the tar file downloaded: > > postgresql-9.1.3.tar > > Containing t

Re: [PERFORM] exponential performance decrease in ISD transaction

2012-09-03 Thread John Nash
Hi, We can try installing version 8.4.9, but when downloading the software, we installed the binaries and files given in postgresql web page named as version 9.1.3. This is the tar file downloaded: postgresql-9.1.3.tar Containing the following when un-tar-ed: [postgsql@localhost postgresql-9.1.

Re: [PERFORM] Inserts in 'big' table slowing down the database

2012-09-03 Thread Ivan Voras
On 03/09/2012 13:03, Stefan Keller wrote: > Hi, > > I'm having performance issues with a simple table containing 'Nodes' > (points) from OpenStreetMap: > > CREATE TABLE nodes ( > id bigint PRIMARY KEY, > user_name text NOT NULL, > tstamp timestamp without time zone NOT NULL, >

[PERFORM] Inserts in 'big' table slowing down the database

2012-09-03 Thread Stefan Keller
Hi, I'm having performance issues with a simple table containing 'Nodes' (points) from OpenStreetMap: CREATE TABLE nodes ( id bigint PRIMARY KEY, user_name text NOT NULL, tstamp timestamp without time zone NOT NULL, geom GEOMETRY(POINT, 4326) ); CREATE INDEX idx_node

Re: [PERFORM] Execution from java - slow

2012-09-03 Thread Jayadevan M
Hi, > > > Yeah. well, hm. Is the function returning a whole bunch of data? > Also, try confirming the slow runtime from the server's point of view; > log_min_duration_statement is a good setting for that. > I did try those options. In the end, removing an order by (it was not necessary) from