Muito obrigado pela ajuda Chiappa.
Só para complementar, essa query foi retirada do blog do Tanel Poder. Todos os
scripts que ele disponibiliza foi ele mesmo quem criou. Em relação a UNDO e
TEMP, tinha adicionado a consulta para excluir as duas tablespaces da query:
AND t.tablespace_name not in (select tablespace_name from dba_tablespaces where
contents in ('TEMPORARY','UNDO'))
Já possuo as queries que fazem o monitoramento do UNDO e da TEMPObrigado. Em
quarta-feira, 4 de julho de 2018 13:55:57 BRT, jlchia...@yahoo.com.br
[oracle_br] <oracle_br@yahoogrupos.com.br> escreveu:
Blz ? Então, antes de tar a sua resposta, uma Obs : tenha ** certeza ** que a
lógica implementada nesse tal script aí está correta principalmente no tocante
à tablespace de UNDO e tablespace TEMP - como Acredito que vc deve saber, o
espaço usado REAL na tablespace de UNDO vc deve consultar na V$TRANSACTION e o
espaço REAL em uso na temp tablespace vc consulta na
V$SORT_USAGE/V$SORT_SEGMENT.... Outra coisa é CUIDADO ao calcular %used e %free
em datafiles auto-extensíveis : como vc sabe, o valor máximo de extensão é um
limite FUTURO, a ser imposto AO SISTEMA OPERACIONAL não agora mas apenas QUANDO
a tablespace crescer.. Assim, então em tese vc deveria SOMAR os autoextensíveis
todos, verificar quanto vc tem livre em disco no sistema operacional e o espaço
livre ** REAL ** seria a diferença desses dois...
Muito bem, aviso dado vamos à resposta : primeiro vamos executar a tua query
sem alterações :
SYSTEM:@O11GR2SE:SQL>get t.sql
1 SELECT t.tablespace_name, t.mb "TotalMB"
2 , t.mb - nvl(f.mb,0) "UsedMB"
3 , nvl(f.mb,0) "FreeMB"
4 ,lpad(ceil((1-nvl(f.mb,0)/decode(t.mb,0,1,t.mb))*100)||'%', 6) "% Used"
5 , t.ext "Ext"
6 ,
'|'||rpad(lpad('#',ceil((1-nvl(f.mb,0)/decode(t.mb,0,1,t.mb))*20),'#'),20,'
')||'|' "Used"
7 FROM
8 (
9 select tablespace_name, trunc(sum(bytes)/1048576) MB
10 from dba_free_space
11 group by tablespace_name
12 union all
13 select tablespace_name, trunc(sum(bytes_free)/1048576) MB
14 from v$temp_space_header
15 group by tablespace_name
16 ) f,
17 (select tablespace_name, trunc(sum(bytes)/1048576) MB,
max(autoextensible) ext
18 from dba_data_files
19 group by tablespace_name
20 union all
21 select tablespace_name, trunc(sum(bytes)/1048576) MB,
max(autoextensible) ext
22 from dba_temp_files
23 group by tablespace_name
24 ) t
25 WHERE t.tablespace_name = f.tablespace_name (+)
26 AND t.tablespace_name not in (select tablespace_name from dba_tablespaces
where contents in ('TEMPORARY','UNDO'))
27 ORDER BY t.tablespace_name;
SYSTEM:@O11GR2SE:SQL>@t
TABLESPACE_NAME TotalMB UsedMB FreeMB % Used Ext Used
------------------------------ ---------- ---------- ---------- ------ ---
----------------------
EXAMPLE 313 39 274 13% YES |###
|
STATSPACK 372 355 17 96% YES
|####################|
SYSAUX 580 537 43 93% YES
|################### |
SYSTEM 1760 1721 39 98% YES
|####################|
TS_TESTE 363 346 17 96% YES
|####################|
USERS 1297 1235 62 96% YES
|####################|
6 linhas selecionadas.
==> Okdoc... Bem, pelo que entendi a tua dúvida decorre primeiro do fato de a
coluna "% Used" ser o resultado de uma expressão, o que o Oracle não deixa usar
em GROUP BY, em WHERE.... A solução para isso é simplesmente ter um query
EXTERNA, que use na cláusula de FROM a query original, assim 'materializando'
as expressões.... O segundo ponto que imagino te pegou foi o FATO de que essa
coluna é uma CONTA/expressão numérica CONCATENADA com um caracter '%' :
necessariamente se vc concatena uma string com uma conta o resultado é string,
pra vc poder restringir com >= vc TEM que converter de volta pra número, assim :
SYSTEM:@O11GR2SE:SQL>get t.sql
1 select *
2 from
3 (
4 SELECT t.tablespace_name, t.mb "TotalMB"
5 , t.mb - nvl(f.mb,0) "UsedMB"
6 , nvl(f..mb,0) "FreeMB"
7 ,lpad(ceil((1-nvl(f.mb,0)/decode(t.mb,0,1,t.mb))*100)||'%', 6) "%
Used"
8 , t.ext "Ext"
9 ,
'|'||rpad(lpad('#',ceil((1-nvl(f.mb,0)/decode(t.mb,0,1,t.mb))*20),'#'),20,'
')||'|' "Used"
10 FROM
11 (
12 select tablespace_name, trunc(sum(bytes)/1048576) MB
13 from dba_free_space
14 group by tablespace_name
15 union all
16 select tablespace_name, trunc(sum(bytes_free)/1048576) MB
17 from v$temp_space_header
18 group by tablespace_name
19 ) f,
20 (select tablespace_name, trunc(sum(bytes)/1048576) MB,
max(autoextensible) ext
21 from dba_data_files
22 group by tablespace_name
23 union all
24 select tablespace_name, trunc(sum(bytes)/1048576) MB,
max(autoextensible) ext
25 from dba_temp_files
26 group by tablespace_name
27 ) t
28 WHERE t.tablespace_name = f.tablespace_name (+)
29 AND t.tablespace_name not in (select tablespace_name from
dba_tablespaces where contents in ('TEMPORARY','UNDO'))
30 ORDER BY t.tablespace_name
31 )
32* where TO_NUMBER(ltrim(rtrim(replace("% Used", '%')))) >= 90; -- <<== veja
como ficou o filtro, que está na query EXTERNA !!
SYSTEM:@O11GR2SE:SQL>@t
TABLESPACE_NAME TotalMB UsedMB FreeMB % Used Ext Used
------------------------------ ---------- ---------- ---------- ------ ---
----------------------
STATSPACK 372 355 17 96% YES
|####################|
SYSAUX 580 537 43 93% YES
|################### |
SYSTEM 1760 1721 39 98% YES
|####################|
TS_TESTE 363 346 17 96% YES
|####################|
USERS 1297 1235 62 96% YES
|####################|
SYSTEM:@O11GR2SE:SQL>
[]s
Chiappa
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