- Speed difference between select ... union select ... and select frompartitioned_table
- Re: partitioned table and ORDER BY indexed_field DESCLIMIT 1
- Suggestions on an update query
- Re: partitioned table and ORDER BY indexed_field DESCLIMIT 1
- PostgreSQL 8.3beta1 on Solaris testing case study
- 8.3beta1 testing on Solaris
- Bunching "transactions"
- Seq scan is used for "select count(*) from table" queries
- multiple apaches against single postgres database
- Finalizing commit taking very long
- Re: [SQL] two queryes in a single tablescan
- Re: need help with a query
- Memory Settings....
- Seqscan
- Re: need help with a query
- 12 hour table vacuums
- need help with a query
- Re: need help with a query
- how to improve the performance of creating index
- How to improve speed of 3 table join &group (HUGE tables)
- Re: two queryes in a single tablescan
- Incorrect estimates on columns
- Re: two queryes in a single tablescan
- Re: two queryes in a single tablescan
- Re: Vacuum goes worse
- using a stored proc that returns a result set in acomplex SQL stmt
- Select * query extremely slow only for some records on small,simple table - why?
- Autovacuum running out of memory
- Vacuum goes worse
- Exam Results
- Re: How to speed up min/max(id) in 50M rows table?
- How to speed up min/max(id) in 50M rows table?
- Huge amount of memory consumed during transaction
- building a performance test suite
- Performance problems with prepared statements
- Shared Buffer setting in postgresql.conf
- hashjoin chosen over 1000x faster plan
- Postgres running Very slowly
- SQL Monitoring
- Re: Apache2 PostgreSQL http authentication
- postgresql on NFS.. recommended? not recommended?
- A Must Read-MCSD!!!
- Apache2 PostgreSQL http authentication
- query plan worse after analyze
- Problems with + 1 million record table
- Slow TSearch2 performance for table with 1 million documents.
- quickly getting the top N rows
- Partitioning in postgres - basic question
- Tuning Help - What did I do wrong?
- can't shrink relation
- Query taking too long. Problem reading explain output.
- Re: Newbie question about degraded performance on delete statement. (SOLVED)
- Difference between Vacuum and Vacuum full
- Newbie question about degraded performance on delete statement.
- performance of like queries
- Partitioned table limitation
- Non-blocking vacuum full
- OOM Errors as a result of table inheritance and a bad plan(?)
- Postgres 7.4.2 hanging when vacuum full is run
- sequence query performance issues
- Tuning for warm standby
- Difference in query plan when using = or > in where clause
- Incorrect row estimates in plan?
- Attempting to disable count triggers on cleanup
- Poor performance with ON DELETE CASCADE
- Acceptable level of over-estimation?
- TEXT or LONGTEXT?
- Re: Low CPU Usage
- select count(*) performance (vacuum did not help)
- Re: Low CPU Usage
- SQL query required
- zero value in statistics collector's result
- Possible explanations for catastrophic performace deterioration?
- Re: Query planner unaware of possibly best plan
- Re: Low CPU Usage
- Re: Low CPU Usage
- Re: Low CPU Usage
- Re: Low CPU Usage
- Re: Low CPU Usage
- Re: Low CPU Usage
- Query planner unaware of possibly best plan
- Re: Upgraded from 7.4 to 8.1.4 QUERIES NOW SLOW!!!
- Searching for the cause of a bad plan
- Linux mis-reporting memory
- query io stats and finding a slow query
- Upgraded from 7.4 to 8.1.4 QUERIES NOW SLOW!!!
- Re: Low CPU Usage
- REPOST: Nested loops row estimates always too high
- REPOST: Performance improves only after repeated VACUUM/ANALYZE
- Re: Low CPU Usage
- Re: Tablespaces and NFS
- Re: Tablespaces and NFS
- Query works when kludged, but would prefer "best practice" solution
- DELETE queries slow down
- update command question?
- Watch Satellite TV On Your PC
- Regarding COPY command from Postgres 8.2.0
- Index files
- Long Running Commits - Not Checkpoints
- Clustered tables improves perfs ?
- Index usage when bitwise operator is used
- db performance/design question
- pg_dump blocking create database?
- efficient pattern queries (using LIKE, ~)
- 500rows = 1min/2.5k rows=20min/6K rows 2 hours and still running
- More Vacuum questions...
- Barcelona vs Tigerton
- [Again] Postgres performance problem
- What to vacuum after deleting lots of tables
- random_page_costs - are defaults of 4.0 realistic for SCSI RAID 1
- Re: DRBD and Postgres: how to improve the perfomance?
- DRBD and Postgres: how to improve the perfomance?
- postgres memory management issues?
- How planner decides left-anchored LIKE can use index
- Reasonable amount of indices
- postgres memory management issues?
- Re: Hardware spec]
- Re: [ADMIN] ADO -PostgreSQL OLE DB Provider
- SAN vs Internal Disks
- Hardware spec
- GIST performance (PostGIS): the_geom vs. Envelope(the_geom)
- utilising multi-cpu/core machines?
- Re : optimize query with a maximum(date) extraction
- optimize query with a maximum(date) extraction
- Performance on 8CPU's and 32GB of RAM
- join tables vs. denormalization by trigger
- About autovacuum
- Vacum Analyze problem
- Re: [GENERAL] Performance issue with nested loop
- Slow Query
- schemas to limit data access
- schemas to limit data access
- 8.2 Autovacuum BUG ?
- Transaction Log
- Transaction Log
- LIKE query verses =
- Performance issue with nested loop
- Performance problem with table containing a lot of text (blog)
- Re: 8.2 Query 10 times slower than 8.1 (view-heavy)
- 8.2 Query 10 times slower than 8.1 (view-heavy)
- 8.2.4 Chooses Bad Query Plan
- Bitmap Heap Scan before using index
- Performance issue
- Performance across multiple schemas
- index & Bitmap Heap Scan
- server performance issues - suggestions for tuning
- Performance issue
- Postgres performance problem
- Shared memory usage
- MI5 Persecution: Neil Fox (March/1998) (5999)
- MI5 Persecution: Capital Radio (11/April/1997) (4776)
- MI5 Persecution: GLR: David Hepworth (9/May/1997) (3553)
- MI5 Persecution: GLR: David Hepworth (21/Feb/1997) (2330)
- MI5 Persecution: Life is so hard (1107)
- MI5 Persecution: BBC1 TV News - 18/Dec/2002 (8445)
- MI5 Persecution: Channel Four TV News - 10/April/2002 (7222)
- MI5 Persecution: BBC-TV See You, See Me - 7/Dec/2001 (5999)
- MI5 Persecution: C4 SnowMail - January/2001 (4776)
- MI5 Persecution: England expects every man to do his duty (3553)
- MI5 Persecution: Nicholas Witchell - 10/April/1999 (2330)
- MI5 Persecution: Chris Tarrant - 10/March/1999 (1107)
- Partioning tsearch2 a table into chunks and accessing via views
- significant vacuum issues - looking for suggestions
- partitioned table and ORDER BY indexed_field DESC LIMIT 1
- deadlock_timeout parameter in Postgresql.cof
- deadlock_timeout parameter in Postgresql.cof
- long-running query - needs tuning
- Installing PostgreSQL
- asynchronous commit feature
- Re: Long running transaction in pg_activity_log
- Long running transaction in pg_activity_log
- Fast tsearch2, trigram matching on short phrases
- io storm on checkpoints, postgresql 8.2.4, linux
- Poor Performance after Upgrade
- Optimising "in" queries
- Re: Autovacuum is running forever
- Autovacuum is running forever
- MI5 Persecution: Channel Four TV News - 12/Feb/1999 (5999)
- MI5 Persecution: Dimbleby / John Major, April 1997 (4776)
- MI5 Persecution: Ken Clarke (2), April 1997 (3553)
- MI5 Persecution: Ken Clarke (1), April 1997 (2330)
- MI5 Persecution: Overview (1107)
- MI5 Persecution: David Hepworth (2) 16/5/97 (18229)
- MI5 Persecution: Victor Lewis-Smith 9/5/97 (17006)
- MI5 Persecution: Continuing Silence 9/5/97 (15783)
- Re: Terminology Question
- MI5 Persecution: Peak Practice 26/4/97 (14560)
- MI5 Persecution: I am being ignored 17/4/97 (13337)
- MI5 Persecution: Striking out action 10/3/97 (12114)
- MI5 Persecution: David Hepworth (1) 26/2/97 (10891)
- MI5 Persecution: No Justice 20/11/96 (9668)
- MI5 Persecution: WTGROMT 18/11/96 (8445)
- MI5 Persecution: Excellent web page 19/10/96 (7222)
- MI5 Persecution: Usual targets of such abuse 10/10/96 (5999)
- MI5 Persecution: Just too crazy 30/9/96 (4776)
- MI5 Persecution: Latest technology 31/7/96 (3553)
- MI5 Persecution: BBC+ITN=MI5 23/7/96 (2330)
- MI5 Persecution: Silly-billy 6/7/96 (1107)
- MI5 Persecution: Silly-billy 6/7/96 (5999)
- MI5 Persecution: Old_500 5/7/96 (4776)
- MI5 Persecution: alt.fan.mike-corley 6/6/96 (3553)
- MI5 Persecution: Bernard Levin 1/6/96 (2330)
- MI5 Persecution: Fitted up 26/4/96 (1107)
- Re: [pgsql-jobs] Looking for database hosting
- Re: [pgsql-jobs] Looking for database hosting
- MI5 Persecution: Fitted up 26/4/96 (1107)
- schema design question
- Re: Help optimize view
- Re: Help optimize view
- Re: Fwd: Table Partitioning
- Performance Solaris vs Linux
- Raid Configurations
- Stable function optimisation
- Bad planner decision - bitmap scan instead of index
- Integrated perc 5/i
- Indexscan is only used if we use "limit n"
- RAID 10 or RAID 10 + RAID 1
- Stable function optimisation
- Proposal: Pluggable Optimizer Interface
- Re: Performance on writable views
- Bitmap Index Scan optimization opportunity
- Re: Help optimize view
- Performance of CREATE INDEX
- Dell Hardware Recommendations
- mid 2007 "best bang for the buck" hardware opinions
- How to ENABLE SQL capturing???
- select count(*) performance
- Update table performance
- Planner making wrong decisions 8.2.4. Insane cost calculations.
- Extreme slow select query 8.2.4
- Default Performance between 8.0 and 8.1
- Postgres optimizer
- Performance problems with large telemetric datasets on 7.4.2
- Why are distinct and group by choosing different plans?
- cpu throttling
- Semantics of PostgreSQL Server Log Stats
- Using EXECUTE in a function
- Seq scan on join table despite index and high statistics
- one left join screws up the query
- Query optimization....
- Re: Postgres configuration for 64 CPUs, 128 GB RAM...
- Questions on Tags table schema
- Re: Slow query with backwards index scan
- select on 1milion register = 6s
- Re: Slow query with backwards index scan
- Vacuum looping?
- Slow query with backwards index scan
- Re: update, truncate and vacuum
- update, truncate and vacuum
- disk filling up