Postgresql Performance
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- Re: slow query with inline function on AWS RDS with RDS 24x large, (continued)
- AWS forcing PG upgrade from v9.6 a disaster,
Dean Gibson (DB Administrator)
- Count (select 1) subquery as constant,
Eugen Konkov
- issue partition scan,
Nagaraj Raj
- Optimising outer joins in the presence of non-nullable references,
Philip Lykke Carlsen
- transaction blocking on COMMIT,
Bob Jolliffe
- logical replication,
Marc Millas
- Partition with check constraint with "like",
Nagaraj Raj
- Index and statistics not used,
rstander
- Very slow "bloat query",
Marcin Gozdalik
- Re: BUG #16968: Planner does not recognize optimization,
David Rowley
- PostgreSQL blocked locks query,
Manoj Kumar
- Very slow Query compared to Oracle / SQL - Server,
Semen Yefimenko
- 15x slower PreparedStatement vs raw query,
Alex
- Log number of tuples returned,
Edson Richter
- Error while calling proc with table type from Application,
aditya desai
- Order of execution,
luis . roberto
- Does btrfs on Linux have a negative performance impact for PostgreSQL 13?,
Simon Connah
- hint in determining effective_io_concurrency,
Luca Ferrari
- Re: OLEDB for PostgreSQL,
aditya desai
- Most proper partitioning form on an integer column,
Il Mimo di Creta
- Is there a way to change current time?,
Warstone@list.ru
- Strange behavior once statistics are there,
Daniel Westermann (DWE)
- Why is there a tenfold difference between Postgres's alleged query execution time and packet transmission time?,
Rollo Konig-Brock
- LWLocks by LockManager slowing large DB,
Paul Friedman
- INSERTS waiting with wait_event is "transactionid",
Nagaraj Raj
- str_aggr function not wokring,
aditya desai
procedure using CURSOR to insert is extremely slow,
Szalontai Zoltán
select count(*) is slow,
aditya desai
Substitute for synonym in Oracle after migration to postgres,
aditya desai
PosgtgreSQL hot standby reading WAL from muli-attached volume?,
Gunther Schadow
SHARED LOCKS , EXCLUSIVE LOCKS, ACCESS EXCLUSIVE LOCKS,
aditya desai
SELECT Query taking 200 ms on PostgreSQL compared to 4 ms on Oracle after migration.,
aditya desai
Re: SELECT Query taking 200 ms on PostgreSQL compared to 4 ms on Oracle after migration.,
Michael Lewis
High-volume writes - what is the max throughput possible,
Geervan Hayatnagarkar
Odd (slow) plan choice with min/max,
Paul McGarry
SQL performance issue (postgresql chooses a bad plan when a better one is available),
Chris Stephens
Extremely inefficient merge-join,
Marcin Gozdalik
wide table, many many partitions, poor query performance,
S Bob
Users grants with setting options,
Nagaraj Raj
Fwd: different execution time for the same query (and same DB status),
Francesco De Angelis
Slow query performance inside a transaction on a clean database,
val.janeiko
tables meta data collection,
Nagaraj Raj
High availability management tool.,
Rodriguez Pablo A
Performance issues related to left join and order by,
Liu, Xinyu
Potential performance issues related to group by and covering index,
Liu, Xinyu
Potential performance issues,
Jung, Jinho
Disabling options lowers the estimated cost of a query,
Arne Roland
Postgres performance comparing GCP and AWS,
Maurici Meneghetti
FreeBSD UFS & fsync,
Luca Ferrari
Slow query and wrong row estimates for CTE,
Dane Foster
Understanding logical replication lag,
Patrick Molgaard
RE: Need information on how MM frees up disk space (vaccum) after scheduled DB cleanup by BGwCronScript/BGwLogCleaner,
M Tarkeshwar Rao
How to deal with analyze gathering irrelevant stats,
Rémi Chatenay
High COMMIT times,
Don Seiler
Slow recursive CTE query questions, with row estimate and n_distinct issues,
Christopher Baines
Conundrum with scaling out of bottleneck with hot standby, PgPool-II, etc.,
Gunther Schadow
Reversing NULLS in ORDER causes index not to be used?,
Ken Tanzer
Oracle to postgresql,
bangalore umesh
RE: Autovacuum not functioning for large tables but it is working for few other small tables.,
M Tarkeshwar Rao
Performance issues with composite types (partitioned table),
Sebastijan Wieser
"Required checkpoints occurs too frequently",
Atul Kumar
PostgeSQL JSONB Column with various type of data,
Riswana Rahman
Index for range queries on JSON (user defined fields),
Marco Colli
Temporarily disable not null constraints,
Nagaraj Raj
time taking deletion on large tables,
Atul Kumar
Pg_locks and pg_stat_activity,
aditya desai
Simple update query is slow,
Nandakumar M
Install clustered postgres,
Nunzia Vairo
Postgres using nested loops despite setting enable_nestloop to false,
Frits Jalvingh
How to prioritise walsender reading from pg_wal over WAL writes?,
Alexey Bashtanov
Low cost query - running longer,
Koteswara Rao Daliparthi
Adding nextval() to a select caused hang/very slow execution,
Eric Raskin
Partition pruning with joins,
Ehrenreich, Sigrid
query plan using partial index expects a much larger number of rows than is possible,
Olivier Poquet
Postgres Optimizer ignores information about foreign key relationship, severly misestimating number of returned rows in join,
Ehrenreich, Sigrid
Understanding bad estimate (related to FKs?),
Philip Semanchuk
Profiling tool for postgresql queries,
Debajyoti Datta
Query Performance / Planner estimate off,
Mats Julian Olsen
Re: Query Performance / Planner estimate off,
Mats Olsen
Re: Query Performance / Planner estimate off,
Sebastian Dressler
CPU Consuming query. Sequential scan despite indexing.,
aditya desai
Re: CPU Consuming query. Sequential scan despite indexing.,
Laurenz Albe
Poor Performance running Django unit tests after upgrading from 10.6,
Roger Hunwicks
Indexing an XMLTABLE query?,
Kanninen Anssi EXT
Too many waits on extension of relation,
avinash varma
SSL connection getting rejected on AWS RDS,
aditya desai
Is it possible to specify minimum number of rows planner should consider?,
Timothy Garnett
How to encrypt database password in pgpass or unix file to run batch jobs through shell script,
aditya desai
Performance issue when we use policies for Row Level Security along with functions,
Gopisetty, Ramesh
Single column vs composite partial index,
Nagaraj Raj
autoanalyze creates bad plan, manual analyze fixes it?,
Robert Treat
Performance Issue (Not using Index when joining two tables).,
Gopisetty, Ramesh
AWS RDS PostgreSQL CPU Spiking to 100%,
aditya desai
Query Performance in bundled requests,
Dirk Krautschick
sizing / capacity planning tipps related to expected request or transactions per second,
Dirk Krautschick
CPU hogged by concurrent SELECT..FOR UPDATE SKIP LOCKED,
Jim Jarvie
Replication lag due to lagging restart_lsn,
Satyam Shekhar
Query takes way longer with LIMIT, and EXPLAIN takes way longer than actual query,
Ken Tanzer
Hstore index for full text search,
Burhan Akbulut
Problems with Multixacts LWLocks,
Czarek
Too few rows expected by Planner on partitioned tables,
Julian Wolf
Same query taking less time in low configuration machine,
Vishwa Kalyankar
Sudden insert performance degradation,
Henrique Montenegro
Is there a known bug with SKIP LOCKED and "tuple to be locked was already moved to another partition due to concurrent update"?,
Gunther Schadow
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