Postgresql Performance
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slow join not using index properly,
Stefan Amshey
Performance of UNION vs IN,
Jean-Max Reymond
Getting query plan alternatives from query planner?,
Stefan Keller
long lasting select, no io nor cpu usage ?,
Franck Routier
slave wal is ahead of master,
Evgeniy Shishkin
question about partial index,
Yu Zhao
Adding new field to big table,
acanada
Very slow query in PostgreSQL 9.3.3,
fburgess
Ye olde slow query,
Murphy, Kevin
How can I get the query planner to use a bitmap index scap instead of an index scan ?,
Mohan Krishnan
Help me understand why my subselect is an order of magnitude faster than my nested joins,
Eli Naeher
Subselect an order of magnitude faster than nested joins,
Eli Naeher
Help with optimizing a query over hierarchical data,
Damon Snyder
Inefficient filter order in query plan,
Tom Coogan
not using my GIN index in JOIN expression,
Jean-Max Reymond
Query taking long time,
acanada
9.2.4 specified item offset is too large, now what?,
Tory M Blue
9.1.2 Postgres corruption, any way to recover?,
Tory M Blue
Lack of index usage when doing array casts,
Alexey Klyukin
Postgresql tunning-- help needed,
Ashutosh Durugkar
DB size and TABLE sizes don't seem to add up,
David Wall
Why is the optimiser choosing the slower query, or, understanding explain analyze output,
Alistair Bayley
Optimal settings for RAID controller - optimized for writes,
Niels Kristian Schjødt
Can one Dump schema without index/constraints?,
Tory M Blue
Problem with ExclusiveLock on inserts,
Бородин Владимир
Strange performance boost with random(),
M Putz
Performance Benchmarking for data-warehousing instance?,
Huy Nguyen
Bloated tables and why is vacuum full the only option,
Claudio Freire
increasing query time after analyze,
Katharina Koobs
Postgres Query Plan Live Lock,
Pweaver (Paul Weaver)
Planner estimates and VACUUM/autovacuum,
Artur Zając
Increased memory utilization by pgsql backend after upgrade from 9.1.3 to 9.2.6,
Dattaram Porob
Slow query on join with Date >=,
Jim Treinen
PostgreSQL 9.3.2 Performance tuning for 32 GB server,
RAMAKRISHNAN KANDASAMY
trick the query optimiser to skip some optimisations,
Дмитрий Шалашов
WHERE with ORDER not using the best index,
jugnooken
Select hangs and there are lots of files in table and index directories.,
Peter Blair
Slow query (wrong index used maybe),
Stelian Iancu
self join, parameterized base/join rel path row estimation and generally...,
Bongseo Jang
pg_repack solves alter table set tablespace lock,
Ying He
PostgreSQL 9.3.2 Performance issues,
fburgess
Removing nulls with 6NF,
Robert DiFalco
Increasing query time after updates,
Katharina Koobs
Time of query result delivery,
ARCEnergo
Wrong index selection,
Piotr Gasidło
Slow counting on v9.3,
Kai Sellgren
Issue with query scanning through all data even with indexes,
Kai Sellgren
PostgreSQL query for cache performance counters?,
ambilalmca
COMMIT stuck for days after bulk delete,
Josh Kupershmidt
Wrong rows count estimation in query with simple UNION ALL leads to drammatically slow plan,
Michael Kolomeitsev
window function induces full table scan,
Thomas Mayer
Are there some additional postgres tuning to improve performance in multi tenant system,
ankush upadhyay
Does fsync on/off for wal AND Checkpoint?,
GR Vishwanath
Pg makes nonoptimal choice between two multicolumn indexes with the same columns but in different order.,
Michael Kolomeitsev
Possible regression (slow query on 9.2/9.3 when compared to 9.1),
Ronaldo Maia
Re: How to completely delete iPhone all data before selling?,
shirleymi
Bytea(TOAST) vs large object facility(OID),
kosalram Babu Chellappa
Strange number of rows in plan cost,
Алексей Кузнецов
DATE_TRUNC() and GROUP BY?,
Dave Johansen
Unexpected pgbench result,
Dave Johansen
Regarding Hardware Tuning,
prashant Pandey
Help with cursor query that is intermittently slow,
Drew Jetter
slow query - will CLUSTER help?,
Sev Zaslavsky
query plan not optimal,
Marc Cousin
Adding an additional join causes very different/slow query plan,
Joe Van Dyk
Current query of the PL/pgsql procedure.,
Yuri Levinsky
Slow query due to slow I/O,
Bryce Covert
ORDER BY using index, tsearch2,
Janek Sendrowski
When is a query slow?,
Michael Sacket
Problem with slow query with WHERE conditions with OR clause on primary keys,
Krzysztof Olszewski
Debugging shared memory issues on CentOS,
Mack Talcott
select count(distinct ...) is slower than select distinct in about 5x,
jacket41142
Hash join,
mspasic
Similarity search with the tsearch2 extension,
Janek Sendrowski
Recommendations for partitioning?,
Dave Johansen
WAL + SSD = slow inserts?,
Skarsol
Explain analyze time overhead,
salah jubeh
One huge db vs many small dbs,
Max
Re: [HACKERS] Parallel Select query performance and shared buffers,
Metin Doslu
Parallel Select query performance and shared buffers,
Metin Doslu
Speed up the query,
Hengky Liwandouw
Re: Speed up the query,
Kevin Grittner
One query run twice in parallel results in huge performance decrease,
Jan Michel
Postgresql in a Virtual Machine,
Lee Nguyen
<Possible follow-ups>
Re: Postgresql in a Virtual Machine,
Dong Ye
Re: Postgresql in a Virtual Machine,
Dong Ye
UNION versus SUB SELECT,
Robert DiFalco
Error Broken pipe in log postgres,
Rogerio Pereira
Query in cache,
Rogerio Pereira
General slowness when retrieving a relatively small number of rows,
Patrick Krecker
Bad plan choices & statistic targets with a GIN index,
Dieter Komendera
CREATE TABLE AS WITH FREEZE ?,
Marc Mamin
Order By Clause, Slows Query Performance?,
monalee_dba
BitMap Heap Scan & BitMap Index Scan,
monalee_dba
Unexpected slow query time when joining small table with large table,
Ryan LeCompte
Horrific time for getting 1 record from an index?,
Jim Nasby
Size of IN list affects query plan,
Jan Walter
Trees: integer[] outperformed by ltree,
Jan Walter
ORDER BY performance deteriorates very quickly as dataset grows,
Standa K.
Slow index scan on B-Tree index over timestamp field,
Caio Casimiro
postgresql recommendation memory,
Евгений Селявка
Message not available
Re: postgresql recommendation memory,
Scott Marlowe
Re: postgresql recommendation memory,
Merlin Moncure
Re: postgresql recommendation memory,
Sergey Konoplev
Update Trigger latency utilizing the IS DISTINCT FROM syntax,
fburgess
Re: postgres connections,
si24
Adding foreign key constraint holds exclusive lock for too long (on production database),
Ben Hoyt
Problems with hash join over nested loop,
Jim Nasby
Logic of lowering seq_page_cost for SSD?,
Josh Berkus
Planner Conceptual Error when Joining a Subquery -- Outer Query Condition not Pulled Into Subquery,
Gavin Wahl
Hot Standby performance issue,
sparikh
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