The following bug has been logged online:
Bug reference: 5855
Logged by: Ondrej Pachner
Email address: ondrej.pach...@4internet.cz
PostgreSQL version: 9.0.1
Operating system: Debian GNU Linux - stable
Description:pgstat wait timeout
Details:
all counters on zero and warning about wait timeout..
postgres=> SELECT * FROM pg_stat_database;
WARNING: pgstat wait timeout
datid | datname | numbackends | xact_commit | xact_rollback |
blks_read | blks_hit | tup_returned | tup_fetched | tup_inserted |
tup_updated | tup_deleted
---+---+-+-+---+
---+--+--+-+--+-
+-
11866 | template0 | 0 | 0 | 0 |
0 |0 |0 | 0 |0 |
0 | 0
11874 | postgres | 1 | 0 | 0 |
0 |0 |0 | 0 |0 |
0 | 0
214340298 | eims_ejb_total_50 | 3 | 0 | 0 |
0 |0 |0 | 0 |0 |
0 | 0
1 | template1 | 0 | 0 | 0 |
0 |0 |0 | 0 |0 |
0 | 0
(4 rows)
---
configuration:
listen_addresses = '*'
port = 5432
max_connections = 100
shared_buffers = 512MB
work_mem = 128MB
maintenance_work_mem = 256MB
effective_cache_size = 12288MB
default_statistics_target = 1
log_destination = 'stderr'
logging_collector = on
log_directory = 'pg_log'
log_truncate_on_rotation = on
log_rotation_age = 1d
log_rotation_size = 0
log_min_messages = warning
log_min_duration_statement = 300
log_connections = off
log_disconnections = off
log_duration = off
log_line_prefix = '%t [%p]: [%l-1] '
log_lock_waits = on
track_counts = on
log_planner_stats = on
autovacuum = on
log_autovacuum_min_duration = 300
autovacuum_max_workers = 3
autovacuum_naptime = 1min
autovacuum_vacuum_threshold = 50
autovacuum_analyze_threshold = 50
autovacuum_vacuum_scale_factor = 0.2
autovacuum_analyze_scale_factor = 0.1
autovacuum_freeze_max_age = 2
autovacuum_vacuum_cost_delay = 20ms
autovacuum_vacuum_cost_limit = -1
datestyle = 'iso, dmy'
lc_messages = 'cs_CZ.utf8'
lc_monetary = 'cs_CZ.utf8'
lc_numeric = 'cs_CZ.utf8'
lc_time = 'cs_CZ.utf8'
default_text_search_config = 'pg_catalog.simple'
custom_variable_classes = 'pljava'
dynamic_library_path ='$libdir:/usr/local/postgresql-9.0.1/lib/postgresql'
pljava.classpath='/usr/local/postgresql-9.0.1/lib/postgresql/pljava.jar:/usr
/local/postgresql-9.0.1/lib/postgresql/jbossall-client.jar'
-
8CPUs, 16G of RAM, uname -a gives:
Linux tbdb-901 2.6.26-2-xen-amd64 #1 SMP Thu Sep 16 16:32:15 UTC 2010 x86_64
GNU/Linux
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