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Re: queries slow after migration

Posted By: ROGER VILCA
Date: Thursday, 26 May 2011, at 12:41 p.m.

In Response To: Re: queries slow after migration (John Miller iii)

Thanks. This is the explain with no ORDERED (+4 min) and with ORDERED (aprox. 2 sec.)

QUERY: (OPTIMIZATION TIMESTAMP: 05-26-2011 10:50:08)
------
select
e.ano,e.mes,
sum(nvl(m.debe_ingreso,0)),sum(nvl(m.haber_ingreso,0))
from proyectos_de_inver p,inver_de_capital i,
con_combin b, con_movcom m, con_enccom e
where p.empresa = '7'
and p.proyecto_inversion = '001884'
and i.empresa = p.empresa
and i.proyecto_inver = p.proyecto_inversion
and b.empresa = i.empresa
and i.inversion_capital is not null
and i.inversion_capital <> ''
and b.aux_valor6 = i.inversion_capital
and m.empresa = b.empresa
and m.combinatoria = b.combinatoria
and m.tipo_comprobante not in ('A3001','A3008')
and e.empresa = m.empresa
and e.fecha = m.fecha
and e.tipo_comprobante = m.tipo_comprobante
and e.correlativo = m.correlativo
and e.estado = 'A'
and e.ano = 2011
and e.mes <= 4
group by 1,2
order by 1,2

Estimated Cost: 3187
Estimated # of Rows Returned: 1
Temporary Files Required For: Order By

1) informix.e: INDEX PATH

Filters: (informix.e.estado = 'A' AND informix.e.tipo_comprobante NOT IN ('A3001' , 'A3008' ))

(1) Index Name: xsic.i3_con_enccom

Index Keys: mes ano empresa (Key-First) (Serial, fragments: ALL)

Upper Index Filter: informix.e.mes <= 4

Index Key Filters: (informix.e.ano = 2011 ) AND

(informix.e.empresa = '7' )

INDEX_NAME = i3_con_enccom

2) informix.m: INDEX PATH

(1) Index Name: xsic.i3_con_movcom

Index Keys: correlativo tipo_comprobante fecha ano cuenta origen combinatoria empresa (Key-First) (Serial, fragments: ALL)

Lower Index Filter: ((informix.e.correlativo = informix.m.correlativo AND informix.e.fecha = informix.m.fecha ) AND informix.e.tipo_comprobante = informix.m.tipo_comprobante )

Index Key Filters: (informix.m.empresa = '7' )

INDEX_NAME = i3_con_movcom
NESTED LOOP JOIN

3) informix.p: INDEX PATH

(1) Index Name: xsic.i_ep_proy_inver

Index Keys: proyecto_inversion empresa (Key-Only) (Serial, fragments: ALL)

Lower Index Filter: (informix.p.empresa = informix.m.empresa AND informix.p.proyecto_inversion = '001884' )

INDEX_NAME = i_ep_proy_inver
NESTED LOOP JOIN

4) informix.b: INDEX PATH

Filters: informix.b.aux_valor6 != ''

(1) Index Name: xsic.i100_con_combin

Index Keys: combinatoria empresa (Serial, fragments: ALL)

Lower Index Filter: (informix.m.combinatoria = informix.b.combinatoria AND informix.m.empresa = informix.b.empresa )

INDEX_NAME = i100_con_combin
NESTED LOOP JOIN

5) informix.i: INDEX PATH

Filters: (informix.b.aux_valor6 = informix.i.inversion_capital AND informix.i.inversion_capital != '' )

(1) Index Name: xsic.proyecto_inver

Index Keys: proyecto_inver empresa (Serial, fragments: ALL)

Lower Index Filter: (informix.i.proyecto_inver = informix.p.proyecto_inversion AND informix.i.empresa = informix.e.empresa )

INDEX_NAME = proyecto_inver
NESTED LOOP JOIN

DB_LOCALE = en_US.819
SESSION COLLATION = es_ES.819

Query statistics:
-----------------

Table map :
----------------------------
Internal name Table name
----------------------------
t1 e
t2 m
t3 p
t4 b
t5 i

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t1 2768 1020 58414 00:02.46 2253

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t2 256959 8077986 257749 02:28.46 1

type rows_prod est_rows time est_cost
-------------------------------------------------
nljoin 256959 7 02:31.28 2934

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t3 256959 1 256959 00:09.86 0

type rows_prod est_rows time est_cost
-------------------------------------------------
nljoin 256959 7 02:42.07 2950

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t4 20366 149874 256959 00:36.15 1

type rows_prod est_rows time est_cost
-------------------------------------------------
nljoin 20366 6 03:18.80 2957

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t5 1170 134 2830874 00:42.98 37

type rows_prod est_rows time est_cost
-------------------------------------------------
nljoin 1170 12 04:01.84 3187

type rows_prod est_rows rows_cons time est_cost
------------------------------------------------------------
group 4 1 1170 04:01.88 15

type rows_sort est_rows rows_cons time est_cost
------------------------------------------------------------
sort 4 1 4 04:01.88 0

QUERY: (OPTIMIZATION TIMESTAMP: 05-26-2011 11:37:11)
------
select {+ORDERED}
e.ano,e.mes,
sum(nvl(m.debe_ingreso,0)),sum(nvl(m.haber_ingreso,0))
from proyectos_de_inver p,inver_de_capital i,
con_combin b, con_movcom m, con_enccom e
where p.empresa = '7'
and p.proyecto_inversion = '001884'
and i.empresa = p.empresa
and i.proyecto_inver = p.proyecto_inversion
and b.empresa = i.empresa
and i.inversion_capital is not null
and i.inversion_capital <> ''
and b.aux_valor6 = i.inversion_capital
and m.empresa = b.empresa
and m.combinatoria = b.combinatoria
and m.tipo_comprobante not in ('A3001','A3008')
and e.empresa = m.empresa
and e.fecha = m.fecha
and e.tipo_comprobante = m.tipo_comprobante
and e.correlativo = m.correlativo
and e.estado = 'A'
and e.ano = 2011
and e.mes <= 4
group by 1,2
order by 1,2

DIRECTIVES FOLLOWED:
ORDERED
DIRECTIVES NOT FOLLOWED:

Estimated Cost: 21930910
Estimated # of Rows Returned: 1
Temporary Files Required For: Order By Group By

1) informix.p: INDEX PATH

(1) Index Name: xsic.i_ep_proy_inver

Index Keys: proyecto_inversion empresa (Key-Only) (Serial, fragments: ALL)

Lower Index Filter: (informix.p.proyecto_inversion = '001884' AND informix.p.empresa = '7' )

INDEX_NAME = i_ep_proy_inver

2) informix.i: INDEX PATH

Filters: informix.i.inversion_capital != ''

(1) Index Name: xsic.proyecto_inver

Index Keys: proyecto_inver empresa (Serial, fragments: ALL)

Lower Index Filter: (informix.i.proyecto_inver = informix.p.proyecto_inversion AND informix.i.empresa = informix.p.empresa )

INDEX_NAME = proyecto_inver
NESTED LOOP JOIN

3) informix.b: INDEX PATH

(1) Index Name: xsic.i6_con_combin

Index Keys: aux_valor6 empresa (Serial, fragments: ALL)

Lower Index Filter: (informix.b.aux_valor6 = informix.i.inversion_capital AND informix.p.empresa = informix.b.empresa )

INDEX_NAME = i6_con_combin
NESTED LOOP JOIN

4) informix.m: INDEX PATH

Filters: informix.m.tipo_comprobante NOT IN ('A3001' , 'A3008' )

(1) Index Name: xsic.i2_con_movcom

Index Keys: combinatoria empresa (Serial, fragments: ALL)

Lower Index Filter: (informix.m.combinatoria = informix.b.combinatoria AND informix.m.empresa = informix.b.empresa )

INDEX_NAME = i2_con_movcom
NESTED LOOP JOIN

5) informix.e: INDEX PATH

Filters: ((informix.e.ano = 2011 AND informix.e.mes <= 4 ) AND informix.e.estado = 'A' )

(1) Index Name: xsic.i5_con_enccom

Index Keys: fecha correlativo tipo_comprobante empresa (Serial, fragments: ALL)

Lower Index Filter: (((informix.e.correlativo = informix.m.correlativo AND informix.e.fecha = informix.m.fecha ) AND informix.e.tipo_comprobante = informix.m.tipo_comprobante ) AND informix.e.empresa = informix.m.empresa )

INDEX_NAME = i5_con_enccom
NESTED LOOP JOIN

DB_LOCALE = en_US.819
SESSION COLLATION = es_ES.819

Query statistics:
-----------------

Table map :
----------------------------
Internal name Table name
----------------------------
t1 p
t2 i
t3 b
t4 m
t5 e

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t1 1 1 1 00:00.00 1

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t2 136 134 139 00:00.00 37

type rows_prod est_rows time est_cost
-------------------------------------------------
nljoin 136 134 00:00.00 40

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t3 571 149874 571 00:00.10 1251

type rows_prod est_rows time est_cost
-------------------------------------------------
nljoin 571 299542 00:00.11 168289

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t4 1170 8077986 1310 00:03.29 43

type rows_prod est_rows time est_cost
-------------------------------------------------
nljoin 1170 14279158 00:03.41 13071795

type table rows_prod est_rows rows_scan time est_cost
-------------------------------------------------------------------
scan t5 1170 1020 1170 00:00.50 1

type rows_prod est_rows time est_cost
-------------------------------------------------
nljoin 1170 11 00:03.92 21930894

type rows_prod est_rows rows_cons time est_cost
------------------------------------------------------------
group 4 1 1170 00:03.95 15

type rows_sort est_rows rows_cons time est_cost
------------------------------------------------------------
sort 4 1 4 00:03.95 0

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