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vacuumdb: Add option --analyze-in-stages

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Add vacuumdb option --analyze-in-stages which runs ANALYZE three times
with different configuration settings, adopting the logic from the
analyze_new_cluster.sh script that pg_upgrade generates.  That way,
users of pg_dump/pg_restore can also use that functionality.

Change pg_upgrade to create the script so that it calls vacuumdb instead
of implementing the logic itself.
This commit is contained in:
Peter Eisentraut
2014-04-14 23:15:05 -04:00
parent 0d3b2b80aa
commit c92c3d50d7
4 changed files with 94 additions and 70 deletions
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58
contrib/pg_upgrade/check.c
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@ -565,62 +565,12 @@ create_script_for_cluster_analyze(char **analyze_script_file_name)
"--analyze-only" : "--analyze", ECHO_QUOTE);
fprintf(script, "echo%s\n\n", ECHO_BLANK);
#ifndef WIN32
fprintf(script, "sleep 2\n");
fprintf(script, "PGOPTIONS='-c default_statistics_target=1 -c vacuum_cost_delay=0'\n");
/* only need to export once */
fprintf(script, "export PGOPTIONS\n");
#else
fprintf(script, "REM simulate sleep 2\n");
fprintf(script, "PING 1.1.1.1 -n 1 -w 2000 > nul\n");
fprintf(script, "SET PGOPTIONS=-c default_statistics_target=1 -c vacuum_cost_delay=0\n");
#endif
fprintf(script, "echo %sGenerating minimal optimizer statistics (1 target)%s\n",
ECHO_QUOTE, ECHO_QUOTE);
fprintf(script, "echo %s--------------------------------------------------%s\n",
ECHO_QUOTE, ECHO_QUOTE);
fprintf(script, "\"%s/vacuumdb\" %s--all --analyze-only\n",
fprintf(script, "\"%s/vacuumdb\" %s--all --analyze-in-stages\n",
new_cluster.bindir, user_specification);
fprintf(script, "echo%s\n", ECHO_BLANK);
fprintf(script, "echo %sThe server is now available with minimal optimizer statistics.%s\n",
ECHO_QUOTE, ECHO_QUOTE);
fprintf(script, "echo %sQuery performance will be optimal once this script completes.%s\n",
ECHO_QUOTE, ECHO_QUOTE);
fprintf(script, "echo%s\n\n", ECHO_BLANK);
#ifndef WIN32
fprintf(script, "sleep 2\n");
fprintf(script, "PGOPTIONS='-c default_statistics_target=10'\n");
#else
fprintf(script, "REM simulate sleep\n");
fprintf(script, "PING 1.1.1.1 -n 1 -w 2000 > nul\n");
fprintf(script, "SET PGOPTIONS=-c default_statistics_target=10\n");
#endif
fprintf(script, "echo %sGenerating medium optimizer statistics (10 targets)%s\n",
ECHO_QUOTE, ECHO_QUOTE);
fprintf(script, "echo %s---------------------------------------------------%s\n",
ECHO_QUOTE, ECHO_QUOTE);
fprintf(script, "\"%s/vacuumdb\" %s--all --analyze-only\n",
new_cluster.bindir, user_specification);
fprintf(script, "echo%s\n\n", ECHO_BLANK);
#ifndef WIN32
fprintf(script, "unset PGOPTIONS\n");
#else
fprintf(script, "SET PGOPTIONS\n");
#endif
fprintf(script, "echo %sGenerating default (full) optimizer statistics (100 targets?)%s\n",
ECHO_QUOTE, ECHO_QUOTE);
fprintf(script, "echo %s-------------------------------------------------------------%s\n",
ECHO_QUOTE, ECHO_QUOTE);
fprintf(script, "\"%s/vacuumdb\" %s--all %s\n", new_cluster.bindir,
user_specification,
/* Did we copy the free space files? */
(GET_MAJOR_VERSION(old_cluster.major_version) >= 804) ?
"--analyze-only" : "--analyze");
if (GET_MAJOR_VERSION(old_cluster.major_version) < 804)
fprintf(script, "\"%s/vacuumdb\" %s--all\n", new_cluster.bindir,
user_specification);
fprintf(script, "echo%s\n\n", ECHO_BLANK);
fprintf(script, "echo %sDone%s\n",