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b6c586a3
编写于
4月 15, 2010
作者:
P
Peter Eisentraut
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doc/src/sgml/monitoring.sgml
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<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.7
8 2010/04/15 20:48:22
petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.7
9 2010/04/15 20:56:13
petere Exp $ -->
<chapter id="monitoring">
<title>Monitoring Database Activity</title>
...
...
@@ -487,7 +487,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_db_xact_commit</function>(<type>oid</type>)</literal></entry>
<entry><type>bigint</type></entry>
<entry>
T
ransactions committed in database
Number of t
ransactions committed in database
</entry>
</row>
...
...
@@ -495,7 +495,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_db_xact_rollback</function>(<type>oid</type>)</literal></entry>
<entry><type>bigint</type></entry>
<entry>
T
ransactions rolled back in database
Number of t
ransactions rolled back in database
</entry>
</row>
...
...
@@ -696,7 +696,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
Returns a record of information about the backend with the specified pid, or
one record for each active backend in the system if <symbol>NULL</symbol> is
specified. The fields returned are the same as in the
<structname>pg_stat_activity</structname> view
<structname>pg_stat_activity</structname> view
.
</entry>
</row>
...
...
@@ -704,7 +704,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_function_calls</function>(<type>oid</type>)</literal></entry>
<entry><type>bigint</type></entry>
<entry>
Number of times the function has been called
.
Number of times the function has been called
</entry>
</row>
...
...
@@ -731,7 +731,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><type>setof integer</type></entry>
<entry>
Set of currently active server process numbers (from 1 to the
number of active server processes). See usage example in the text
number of active server processes). See usage example in the text
.
</entry>
</row>
...
...
@@ -820,8 +820,8 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><type>inet</type></entry>
<entry>
The IP address of the client connected to the given
server process
. N
ull if the connection is over a Unix domain
socket
. A
lso null if the current user is not a superuser nor
server process
; n
ull if the connection is over a Unix domain
socket
, a
lso null if the current user is not a superuser nor
the same user as that of the session being queried
</entry>
</row>
...
...
@@ -831,8 +831,8 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><type>integer</type></entry>
<entry>
The TCP port number of the client connected to the given
server process
.
-1 if the connection is over a Unix domain
socket
. N
ull if the current user is not a superuser nor the
server process
;
-1 if the connection is over a Unix domain
socket
, n
ull if the current user is not a superuser nor the
same user as that of the session being queried
</entry>
</row>
...
...
@@ -841,7 +841,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_bgwriter_timed_checkpoints</function>()</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The n
umber of times the background writer has started timed checkpoints
N
umber of times the background writer has started timed checkpoints
(because the <varname>checkpoint_timeout</varname> time has expired)
</entry>
</row>
...
...
@@ -850,7 +850,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_bgwriter_requested_checkpoints</function>()</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The n
umber of times the background writer has started checkpoints based
N
umber of times the background writer has started checkpoints based
on requests from backends because the <varname>checkpoint_segments</varname>
has been exceeded or because the <command>CHECKPOINT</command>
command has been issued
...
...
@@ -861,7 +861,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_bgwriter_buf_written_checkpoints</function>()</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The n
umber of buffers written by the background writer during checkpoints
N
umber of buffers written by the background writer during checkpoints
</entry>
</row>
...
...
@@ -869,7 +869,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_bgwriter_buf_written_clean</function>()</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The n
umber of buffers written by the background writer for routine cleaning of
N
umber of buffers written by the background writer for routine cleaning of
dirty pages
</entry>
</row>
...
...
@@ -878,7 +878,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_bgwriter_maxwritten_clean</function>()</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The n
umber of times the background writer has stopped its cleaning scan because
N
umber of times the background writer has stopped its cleaning scan because
it has written more buffers than specified in the
<varname>bgwriter_lru_maxpages</varname> parameter
</entry>
...
...
@@ -888,7 +888,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_buf_written_backend</function>()</literal></entry>
<entry><type>bigint</type></entry>
<entry>
The n
umber of buffers written by backends because they needed
N
umber of buffers written by backends because they needed
to allocate a new buffer
</entry>
</row>
...
...
@@ -897,7 +897,7 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
<entry><literal><function>pg_stat_get_buf_alloc</function>()</literal></entry>
<entry><type>bigint</type></entry>
<entry>
T
he t
otal number of buffer allocations
Total number of buffer allocations
</entry>
</row>
...
...
@@ -1101,19 +1101,19 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS procpid,
<entry>transaction-start</entry>
<entry>(LocalTransactionId)</entry>
<entry>Probe that fires at the start of a new transaction.
arg0 is the transaction
id
.</entry>
arg0 is the transaction
ID
.</entry>
</row>
<row>
<entry>transaction-commit</entry>
<entry>(LocalTransactionId)</entry>
<entry>Probe that fires when a transaction completes successfully.
arg0 is the transaction
id
.</entry>
arg0 is the transaction
ID
.</entry>
</row>
<row>
<entry>transaction-abort</entry>
<entry>(LocalTransactionId)</entry>
<entry>Probe that fires when a transaction completes unsuccessfully.
arg0 is the transaction
id
.</entry>
arg0 is the transaction
ID
.</entry>
</row>
<row>
<entry>query-start</entry>
...
...
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