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| author | Magnus Hagander <magnus@hagander.net> | 2016-08-17 10:39:22 +0200 |
|---|---|---|
| committer | Magnus Hagander <magnus@hagander.net> | 2016-08-17 10:43:55 +0200 |
| commit | 9b33c7e80d5ac9d85cbb9330f172a5e606876b1c (patch) | |
| tree | 07468beb202f26994f74782144bf7d8ee90f43ae | |
| parent | dd028e904c67dae5f5d51da73628a8bd3cb1f5f1 (diff) | |
| download | postgresql-9b33c7e80d5ac9d85cbb9330f172a5e606876b1c.tar.gz postgresql-9b33c7e80d5ac9d85cbb9330f172a5e606876b1c.zip | |
Disable update_process_title by default on Windows
The performance overhead of this can be significant on Windows, and most
people don't have the tools to view it anyway as Windows does not have
native support for process titles.
Discussion: <0A3221C70F24FB45833433255569204D1F5BE3E8@G01JPEXMBYT05>
Takayuki Tsunakawa
| -rw-r--r-- | doc/src/sgml/config.sgml | 2 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc.c | 4 | ||||
| -rw-r--r-- | src/bin/initdb/initdb.c | 6 |
3 files changed, 12 insertions, 0 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 27176aa07c4..0b14e60156e 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -5430,6 +5430,8 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv; is received by the server. The process title is typically viewed by the <command>ps</> command, or in Windows by using the <application>Process Explorer</>. + This value defaults to off on Windows platforms due to the + platform's significant overhead for updating the process title. Only superusers can change this setting. </para> </listitem> diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 0a58ba1faeb..31172ef3007 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -1210,7 +1210,11 @@ static struct config_bool ConfigureNamesBool[] = gettext_noop("Enables updating of the process title every time a new SQL command is received by the server.") }, &update_process_title, +#ifdef WIN32 + false, +#else true, +#endif NULL, NULL, NULL }, diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c index 73cb7ee683d..a978bbc328a 100644 --- a/src/bin/initdb/initdb.c +++ b/src/bin/initdb/initdb.c @@ -1292,6 +1292,12 @@ setup_config(void) "#effective_io_concurrency = 0"); #endif +#ifdef WIN32 + conflines = replace_token(conflines, + "#update_process_title = on", + "#update_process_title = off"); +#endif + snprintf(path, sizeof(path), "%s/postgresql.conf", pg_data); writefile(path, conflines); |