From: [EMAIL PROTECTED] (Bogdan)
Newsgroups: comp.databases.postgresql.questions
Subject: help with I/O statistics in 7.3.1
NNTP-Posting-Host: 12.98.224.90
Message-ID: [EMAIL PROTECTED]
I can't make configuration to get filesystem blocks in/out
to show valid data.
Im only getting 0/0 all the time.
Is that functionality available in postgres 7.3.1 ???
Regards, Bogdan
test4=# explain analyze select * from patients;
LOG: query: explain analyze select * from patients;
LOG: duration: 0.603887 sec
LOG: QUERY STATISTICS
! system usage stats:
! 0.624269 elapsed 0.458985 user 0.123047 system sec
! [0.468750 user 0.125000 sys total]
! 0/0 [0/0] filesystem blocks in/out
! 7/4 [310/158] page faults/reclaims, 0 [0] swaps
! 0 [0] signals rcvd, 0/0 [0/0] messages rcvd/sent
! 0/0 [0/0] voluntary/involuntary context switches
! buffer usage stats:
! Shared blocks: 2742 read, 0 written, buffer hit
rate = 3.59%
! Local blocks: 0 read, 0 written, buffer hit
rate = 0.00%
! Direct blocks: 0 read, 0 written
QUERY PLAN
-
Seq Scan on patients (cost=0.00..4048.60 rows=131960 width=172)
(actual time=0.04..562.97 rows=133886 loops=1)
Total runtime: 602.42 msec
(2 rows)
test4=#
test4=# show all;
australian_timezones | off
authentication_timeout | 60
autocommit | on
checkpoint_segments| 3
checkpoint_timeout | 300
client_encoding| SQL_ASCII
client_min_messages| notice
commit_delay | 0
commit_siblings| 5
cpu_index_tuple_cost | 0.001
cpu_operator_cost | 0.0025
cpu_tuple_cost | 0.01
DateStyle | ISO with US (NonEuropean)
conventions
db_user_namespace | off
deadlock_timeout | 1000
debug_assertions | on
debug_pretty_print | on
debug_print_parse | off
debug_print_plan | off
debug_print_rewritten | off
default_statistics_target | 10
default_transaction_isolation | read committed
dynamic_library_path | $libdir
effective_cache_size | 1000
enable_hashjoin| on
enable_indexscan | on
enable_mergejoin | on
enable_nestloop| on
enable_seqscan | on
enable_sort| on
enable_tidscan | on
explain_pretty_print | on
fixbtree | on
fsync | off
geqo | on
geqo_effort| 1
geqo_generations | 0
geqo_pool_size | 0
geqo_random_seed | -1
geqo_selection_bias| 2
geqo_threshold | 11
hostname_lookup| off
krb_server_keyfile | unset
lc_messages| C
lc_monetary| C
lc_numeric | C
lc_time| C
log_connections| off
log_duration | on
log_min_error_statement| panic
log_pid| off
log_statement | on
log_timestamp | off
max_connections| 32
max_expr_depth | 1
max_files_per_process | 1000
max_fsm_pages | 1
max_fsm_relations | 100
max_locks_per_transaction | 64
password_encryption| on
port | 5432
pre_auth_delay | 0
random_page_cost | 4
search_path| $user,public
server_encoding| SQL_ASCII
server_min_messages| notice
shared_buffers | 64
show_executor_stats| off
show_parser_stats | off
show_planner_stats | off
show_source_port | off
show_statement_stats | on
silent_mode| off
sort_mem | 1024
sql_inheritance| on
ssl| off
statement_timeout | 0
stats_block_level | off
stats_command_string | off
stats_reset_on_server_start| on
stats_row_level| off
stats_start_collector | on
superuser_reserved_connections | 2
syslog | 0
syslog_facility| LOCAL0
syslog_ident | postgres
tcpip_socket | on
TimeZone | unknown
trace_notify | off
TRANSACTION ISOLATION LEVEL| READ COMMITTED
transform_null_equals | off
unix_socket_directory |
