Re: speeding up a join query that utilizes a view - Mailing list pgsql-general
| From | Kirk Wythers |
|---|---|
| Subject | Re: speeding up a join query that utilizes a view |
| Date | |
| Msg-id | 0D311638-6546-4CB7-A540-78AC38F4C68D@umn.edu Whole thread Raw |
| In response to | Re: speeding up a join query that utilizes a view (Igor Neyman <ineyman@perceptron.com>) |
| Responses |
Re: speeding up a join query that utilizes a view
|
| List | pgsql-general |
On Jan 17, 2013, at 3:51 PM, Igor Neyman <ineyman@perceptron.com> wrote: > What about index definition, Postgres version, config parameters? > Hardware configuration would be helpful too. > Sorry pg 9.1 OS X 10.8 server. 32 G ram 8 cores I thought what you meant by index definition is at the bottom of the \d table-name. For example: >> Indexes: >> "data_key_pkey" PRIMARY KEY, btree (variable_id) >> "data_key_lower_idx" btree (lower(block_name::text)) >> "data_key_lower_idx1" btree (lower(variable_channel::text)) on data_key. I'm not sure what you mean by config parameters? Output from pg_config? ~$ pg_config BINDIR = /usr/bin DOCDIR = /usr/share/doc/postgresql HTMLDIR = /usr/share/postgresql INCLUDEDIR = /usr/include PKGINCLUDEDIR = /usr/include/postgresql INCLUDEDIR-SERVER = /usr/include/postgresql/server LIBDIR = /usr/lib PKGLIBDIR = /usr/lib/postgresql LOCALEDIR = /usr/share/locale MANDIR = /usr/share/man SHAREDIR = /usr/share/postgresql SYSCONFDIR = /private/etc/postgresql PGXS = /usr/lib/postgresql/pgxs/src/makefiles/pgxs.mk CONFIGURE = '--infodir=/usr/share/info' '--disable-dependency-tracking' '--prefix=/usr' '--sbindir=/usr/libexec' '--sysconfdir=/private/etc''--mandir=/usr/share/man' '--localstatedir=/private/var/pgsql' '--htmldir=/usr/share/postgresql''--enable-thread-safety' '--enable-dtrace' '--with-tcl' '--with-perl' '--with-python' '--with-gssapi''--with-krb5' '--with-pam' '--with-ldap' '--with-bonjour' '--with-openssl' '--with-libxml' '--with-libxslt''--with-system-tzdata=/usr/share/zoneinfo' 'CC=/Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.8.xctoolchain/usr/bin/cc''CFLAGS=-arch x86_64 -pipe -Os -g-Wall -Wno-deprecated-declarations' 'LDFLAGS=-arch x86_64 -pipe -Os -g -Wall -Wno-deprecated-declarations' 'LDFLAGS_EX=-mdynamic-no-pic' CC = /Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.8.xctoolchain/usr/bin/cc CPPFLAGS = -I/usr/include/libxml2 CFLAGS = -arch x86_64 -pipe -Os -g -Wall -Wno-deprecated-declarations -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement-Wendif-labels -Wformat-security -fno-strict-aliasing -fwrapv CFLAGS_SL = LDFLAGS = -arch x86_64 -pipe -Os -g -Wall -Wno-deprecated-declarations -Wl,-dead_strip_dylibs LDFLAGS_EX = -mdynamic-no-pic LDFLAGS_SL = LIBS = -lpgport -lxslt -lxml2 -lpam -lssl -lcrypto -lgssapi_krb5 -lz -lreadline -lm VERSION = PostgreSQL 9.1.4 Does that help? > >> -----Original Message----- >> From: Kirk Wythers [mailto:kwythers@umn.edu] >> Sent: Thursday, January 17, 2013 3:59 PM >> To: Igor Neyman >> Cc: Kirk Wythers; pgsql-general@postgresql.org >> Subject: Re: [GENERAL] speeding up a join query that utilizes a view >> >>> >>> Not enough information: >>> >>> Postgres version? >>> OS? >>> Some Postgres configuration parameters, specifically related to >> "RESOURCE USAGE" and " QUERY TUNING"? >>> Table structures (including indexes) for: >> fifteen_min_stacked_propper, fifteen_min, and data_key? >>> View definition for fifteen_min_stacked_view? >>> >> >> >> Here is some additional information: >> >> b4warmed3=# \d data_key >> Table "public.data_key" >> Column | Type | >> Modifiers >> ----------------------+-----------------------+------------------------ >> - >> ----------------------+-----------------------+----------------- >> site | character varying(6) | >> canopy | character varying(24) | >> block | character(2) | >> plot | character(2) | >> measurement_interval | interval | >> warming_treatment | character varying(24) | >> treatment_code | character varying(24) | >> treatment_abbr | character varying(24) | >> water_treatment | character varying(24) | >> block_name | character varying(24) | >> variable_name | character varying(24) | >> variable_channel | character varying(24) | >> variable_id | character varying(24) | not null default >> NULL::character varying >> Indexes: >> "data_key_pkey" PRIMARY KEY, btree (variable_id) >> "data_key_lower_idx" btree (lower(block_name::text)) >> "data_key_lower_idx1" btree (lower(variable_channel::text)) >> >> b4warmed3=# SELECT COUNT(*) FROM data_key; count >> ------- >> 4728 >> (1 row) >> >> b4warmed3=# \d fifteen_min >> Table "public.fifteen_min" >> Column | Type | Modifiers >> ---------------------+-----------------------------+----------- >> rowid | character varying(48) | not null >> time2 | timestamp without time zone | >> timestamp | timestamp without time zone | >> block_name | character varying(8) | >> stat_name | character varying(8) | >> table_name | character varying(10) | >> program | character varying(48) | >> a_dc_avg1 | real | >> a_dc_avg2 | real | >> a_dc_avg3 | real | >> a_dc_avg4 | real | >> a_dif_avg1 | real | >> a_dif_avg2 | real | >> a_dif_avg3 | real | >> a_dif_avg4 | real | >> a_targettemp_avg1 | real | >> a_targettemp_avg2 | real | >> a_targettemp_avg3 | real | >> a_targettemp_avg4 | real | >> a_targettemp_avg5 | real | >> a_targettemp_avg6 | real | >> a_targettemp_avg7 | real | >> a_targettemp_avg8 | real | >> a_tc_avg1 | real | >> a_tc_avg10 | real | >> a_tc_avg11 | real | >> a_tc_avg12 | real | >> a_tc_avg2 | real | >> a_tc_avg3 | real | >> a_tc_avg4 | real | >> a_tc_avg5 | real | >> a_tc_avg6 | real | >> a_tc_avg7 | real | >> a_tc_avg8 | real | >> a_tc_avg9 | real | >> a_tc_std1 | real | >> a_tc_std10 | real | >> a_tc_std11 | real | >> a_tc_std12 | real | >> a_tc_std2 | real | >> a_tc_std3 | real | >> a_tc_std4 | real | >> a_tc_std5 | real | >> a_tc_std6 | real | >> a_tc_std7 | real | >> a_tc_std8 | real | >> a_tc_std9 | real | >> airtc_avg | real | >> airtemp_avg | real | >> airtemp_max | real | >> airtemp_min | real | >> all_avgt | real | >> am25tref1 | real | >> amb_a_avg | real | >> amb_avg1 | real | >> amb_avg2 | real | >> amb_closed_avg | real | >> b_dc_avg1 | real | >> b_dc_avg2 | real | >> b_dc_avg3 | real | >> b_dc_avg4 | real | >> batt_volt | real | >> etcref_avg | real | >> flag1 | integer | >> flag10 | integer | >> flag11 | integer | >> flag12 | integer | >> flag2 | integer | >> flag3 | integer | >> flag4 | integer | >> flag5 | integer | >> flag6 | integer | >> flag7 | integer | >> flag8 | integer | >> flag9 | integer | >> heat_a_avg1 | real | >> heat_a_avg2 | real | >> heat_a_avg3 | real | >> heat_a_avg4 | real | >> pid_lmt_avg1 | real | >> pid_lmt_avg2 | real | >> pid_lmt_avg3 | real | >> pid_lmt_avg4 | real | >> pid_out_avg1 | real | >> pid_out_avg2 | real | >> pid_out_avg3 | real | >> pid_out_avg4 | real | >> ptemp_avg | real | >> rh | real | >> runavga1 | real | >> runavga2 | real | >> runavga21 | real | >> runavga22 | real | >> runavga23 | real | >> runavga24 | real | >> runavga25 | real | >> runavga26 | real | >> runavga27 | real | >> runavga28 | real | >> runavga3 | real | >> runavga4 | real | >> runavga5 | real | >> runavga6 | real | >> runavga7 | real | >> runavga8 | real | >> runavgs_avg1 | real | >> runavgs_avg10 | real | >> runavgs_avg11 | real | >> runavgs_avg12 | real | >> runavgs_avg13 | real | >> runavgs_avg14 | real | >> runavgs_avg15 | real | >> runavgs_avg16 | real | >> runavgs_avg2 | real | >> runavgs_avg3 | real | >> runavgs_avg4 | real | >> runavgs_avg5 | real | >> runavgs_avg6 | real | >> runavgs_avg7 | real | >> runavgs_avg8 | real | >> runavgs_avg9 | real | >> s_all_avgt_avg | real | >> s_dif1 | real | >> s_dif2 | real | >> s_dif3 | real | >> s_dif4 | real | >> s_pid_lmt_avg1 | real | >> s_pid_lmt_avg2 | real | >> s_pid_lmt_avg3 | real | >> s_pid_lmt_avg4 | real | >> s_pid_out_avg1 | real | >> s_pid_out_avg2 | real | >> s_pid_out_avg3 | real | >> s_pid_out_avg4 | real | >> s_scldout_avg1 | real | >> s_scldout_avg2 | real | >> s_scldout_avg3 | real | >> s_scldout_avg4 | real | >> s_sdm_out_avg1 | real | >> s_sdm_out_avg2 | real | >> s_sdm_out_avg3 | real | >> s_sdm_out_avg4 | real | >> s_tc_avg1 | real | >> s_tc_avg10 | real | >> s_tc_avg11 | real | >> s_tc_avg12 | real | >> s_tc_avg2 | real | >> s_tc_avg3 | real | >> s_tc_avg4 | real | >> s_tc_avg5 | real | >> s_tc_avg6 | real | >> s_tc_avg7 | real | >> s_tc_avg8 | real | >> s_tc_avg9 | real | >> s_tc_std1 | real | >> s_tc_std10 | real | >> s_tc_std11 | real | >> s_tc_std12 | real | >> s_tc_std2 | real | >> s_tc_std3 | real | >> s_tc_std4 | real | >> s_tc_std5 | real | >> s_tc_std6 | real | >> s_tc_std7 | real | >> s_tc_std8 | real | >> s_tc_std9 | real | >> sbtemp_avg1 | real | >> sbtemp_avg2 | real | >> sbtemp_avg3 | real | >> sbtemp_avg4 | real | >> sbtemp_avg5 | real | >> sbtemp_avg6 | real | >> sbtemp_avg7 | real | >> sbtemp_avg8 | real | >> scldout_avg1 | real | >> scldout_avg2 | real | >> scldout_avg3 | real | >> scldout_avg4 | real | >> sctemp_avg1 | real | >> sctemp_avg10 | real | >> sctemp_avg11 | real | >> sctemp_avg12 | real | >> sctemp_avg13 | real | >> sctemp_avg14 | real | >> sctemp_avg15 | real | >> sctemp_avg16 | real | >> sctemp_avg17 | real | >> sctemp_avg18 | real | >> sctemp_avg19 | real | >> sctemp_avg2 | real | >> sctemp_avg20 | real | >> sctemp_avg21 | real | >> sctemp_avg22 | real | >> sctemp_avg23 | real | >> sctemp_avg24 | real | >> sctemp_avg3 | real | >> sctemp_avg4 | real | >> sctemp_avg5 | real | >> sctemp_avg6 | real | >> sctemp_avg7 | real | >> sctemp_avg8 | real | >> sctemp_avg9 | real | >> sdm_out_avg1 | real | >> sdm_out_avg2 | real | >> sdm_out_avg3 | real | >> sdm_out_avg4 | real | >> stemp_avg1 | real | >> stemp_avg10 | real | >> stemp_avg11 | real | >> stemp_avg12 | real | >> stemp_avg13 | real | >> stemp_avg14 | real | >> stemp_avg15 | real | >> stemp_avg16 | real | >> stemp_avg2 | real | >> stemp_avg3 | real | >> stemp_avg4 | real | >> stemp_avg5 | real | >> stemp_avg6 | real | >> stemp_avg7 | real | >> stemp_avg8 | real | >> stemp_avg9 | real | >> tabove_avg1 | real | >> tabove_avg2 | real | >> tabove_avg3 | real | >> tabove_avg4 | real | >> tabove_avg5 | real | >> tabove_avg6 | real | >> tabove_avg7 | real | >> tabove_avg8 | real | >> targettemp_adj_avg1 | real | >> targettemp_adj_avg2 | real | >> targettemp_adj_avg3 | real | >> targettemp_adj_avg4 | real | >> targettemp_avg1 | real | >> targettemp_avg2 | real | >> targettemp_avg3 | real | >> targettemp_avg4 | real | >> targettemp_avg5 | real | >> targettemp_avg6 | real | >> targettemp_avg7 | real | >> targettemp_avg8 | real | >> tmv_avg1 | real | >> tmv_avg2 | real | >> tmv_avg3 | real | >> tmv_avg4 | real | >> tmv_avg5 | real | >> tmv_avg6 | real | >> tmv_avg7 | real | >> tmv_avg8 | real | >> tsoil_avg1 | real | >> tsoil_avg2 | real | >> tsoil_avg3 | real | >> tsoil_avg4 | real | >> tsoil_avg5 | real | >> tsoil_avg6 | real | >> tsoil_avg7 | real | >> tsoil_avg8 | real | >> tsoilr1 | real | >> tsoilr2 | real | >> tsoilr3 | real | >> tsoilr4 | real | >> tsoilr5 | real | >> tsoilr6 | real | >> tsoilr7 | real | >> tsoilr8 | real | >> vp_avg | real | >> winddir_d1_wvt | real | >> ws_ms_avg | real | >> wtcref_avg | real | >> Indexes: >> "fifteen_min_pkey" PRIMARY KEY, btree (rowid) >> "fifteen_min_lower_idx" btree (lower(block_name::text)) >> >> b4warmed3=# SELECT COUNT(*) FROM fifteen_min; >> count >> --------- >> 1798711 >> (1 row) >> >> >> b4warmed3=# \d fifteen_min_stacked_propper >> View "public.fifteen_min_stacked_propper" >> Column | Type | Modifiers >> ----------------+-----------------------------+----------- >> rowid | character varying(48) | >> time2 | timestamp without time zone | >> block_name | character varying(8) | >> table_name | character varying(10) | >> batt_volt | real | >> flag1 | integer | >> flag2 | integer | >> flag3 | integer | >> airtc_avg | real | >> airtemp_avg | real | >> airtemp_max | real | >> airtemp_min | real | >> all_avgt | real | >> am25tref1 | real | >> ptemp_avg | real | >> rh | real | >> s_all_avgt_avg | real | >> vp_avg | real | >> winddir_d1_wvt | real | >> ws_ms_avg | real | >> variable | text | >> value | real | >> >> b4warmed3=# SELECT COUNT(*) FROM fifteen_min_stacked_propper; >> count >> ----------- >> 428093218 >> (1 row)
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