Re: speeding up a join query that utilizes a view

What about index definition, Postgres version, config parameters?
Hardware configuration would be helpful too.

> -----Original Message-----
> From: Kirk Wythers [mailto:kwythers(at)umn(dot)edu]
> Sent: Thursday, January 17, 2013 3:59 PM
> To: Igor Neyman
> Cc: Kirk Wythers; pgsql-general(at)postgresql(dot)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)