以下脚本可以用于列出数据库内的排序活跃性能信息:
REM SORT ACTIVITY
set linesize 150 pagesize 1400;
SELECT *
FROM (SELECT matching_criteria,
TO_CHAR(force_matching_signature) force_matching_signature,
sql_id,
child_number,
sql_text,
executions,
elapsed_time / 1000,
operation_type,
policy,
estimated_optimal_size,
last_memory_used,
last_execution,
active_time / 1000,
num_sort_operations,
tot_active_time / 1000,
tot_optimal_executions,
tot_onepass_executions,
tot_multipasses_executions,
all_tot_active_time / 1000,
max_tempseg_size,
parsing_schema_name
FROM (SELECT force_matching_signature,
sql_id,
child_number,
sql_text,
matching_criteria,
SUM(executions) OVER(PARTITION BY matching_criteria) executions,
SUM(elapsed_time) OVER(PARTITION BY matching_criteria) elapsed_time,
operation_type,
policy,
estimated_optimal_size,
last_memory_used,
last_execution,
active_time,
num_sort_operations,
SUM(tot_active_time) OVER(PARTITION BY matching_criteria) tot_active_time,
SUM(tot_optimal_executions) OVER(PARTITION BY matching_criteria) tot_optimal_executions,
SUM(tot_onepass_executions) OVER(PARTITION BY matching_criteria) tot_onepass_executions,
SUM(tot_multipasses_executions) OVER(PARTITION BY matching_criteria) tot_multipasses_executions,
MAX(max_tempseg_size) OVER(PARTITION BY matching_criteria) max_tempseg_size,
SUM(tot_active_time) OVER() all_tot_active_time,
ROW_NUMBER() OVER(PARTITION BY matching_criteria ORDER BY tot_multipasses_executions DESC, tot_onepass_executions DESC, last_memory_used DESC) rnum,
parsing_schema_name
FROM (SELECT s.sql_id,
s.child_number,
s.sql_text,
s.executions,
s.elapsed_time,
s.force_matching_signature,
CASE
WHEN s.force_matching_signature > 0 THEN
TO_CHAR(s.force_matching_signature)
ELSE
s.sql_id
END matching_criteria,
ROW_NUMBER() OVER(PARTITION BY s.sql_id, s.child_number ORDER BY sw.multipasses_executions DESC, sw.onepass_executions DESC, sw.last_memory_used DESC) rnum,
sw.operation_type,
sw.policy,
sw.estimated_optimal_size,
sw.last_memory_used,
sw.last_execution,
MAX(sw.max_tempseg_size) OVER(PARTITION BY s.sql_id, s.child_number) max_tempseg_size,
sw.active_time * sw.total_executions active_time,
SUM(sw.active_time * sw.total_executions) OVER(PARTITION BY s.sql_id, s.child_number) tot_active_time,
COUNT(*) OVER(PARTITION BY s.sql_id, s.child_number) num_sort_operations,
SUM(sw.optimal_executions) OVER(PARTITION BY s.sql_id, s.child_number) tot_optimal_executions,
SUM(sw.onepass_executions) OVER(PARTITION BY s.sql_id, s.child_number) tot_onepass_executions,
SUM(sw.multipasses_executions) OVER(PARTITION BY s.sql_id, s.child_number) tot_multipasses_executions,
NVL(u.username, s.parsing_schema_name) parsing_schema_name
FROM v$sql s, v$sql_workarea sw, all_users u
WHERE sw.sql_id = s.sql_id
AND sw.child_number = s.child_number
AND u.user_id(+) = s.parsing_user_id)
WHERE rnum = 1)
WHERE rnum = 1
ORDER BY tot_multipasses_executions DESC,
tot_onepass_executions DESC,
last_memory_used DESC)
WHERE ROWNUM <= 200
/
SELECT *
FROM (SELECT s.sid,
s.machine,
s.program,
s.module,
s.osuser,
NVL(DECODE(TYPE,
'BACKGROUND',
'SYS (' || b.ksbdpnam || ')',
s.username),
SUBSTR(p.program, INSTR(p.program, '('))) username,
NVL(SUM(CASE
WHEN sn.name = 'sorts (memory)' THEN
ss.VALUE
ELSE
0
END),
0) sorts_memory,
NVL(SUM(CASE
WHEN sn.name = 'sorts (disk)' THEN
ss.VALUE
ELSE
0
END),
0) sorts_disk,
NVL(SUM(CASE
WHEN sn.name = 'sorts (rows)' THEN
ss.VALUE
ELSE
0
END),
0) sorts_rows,
NVL(SUM(CASE
WHEN sn.name = 'physical reads direct temporary tablespace' THEN
ss.VALUE
ELSE
0
END),
0) reads_direct_temp,
NVL(SUM(CASE
WHEN sn.name = 'physical writes direct temporary tablespace' THEN
ss.VALUE
ELSE
0
END),
0) writes_direct_temp,
NVL(SUM(CASE
WHEN sn.name = 'workarea executions - optimal' THEN
ss.VALUE
ELSE
0
END),
0) workarea_exec_optimal,
NVL(SUM(CASE
WHEN sn.name = 'workarea executions - onepass' THEN
ss.VALUE
ELSE
0
END),
0) workarea_exec_onepass,
NVL(SUM(CASE
WHEN sn.name = 'workarea executions - multipass' THEN
ss.VALUE
ELSE
0
END),
0) workarea_exec_multipass
FROM v$session s,
v$sesstat ss,
v$statname sn,
v$process p,
x$ksbdp b
WHERE s.paddr = p.addr
AND b.inst_id(+) = USERENV('INSTANCE')
AND p.addr = b.ksbdppro(+)
AND s.TYPE = 'USER'
AND s.sid = ss.sid
AND ss.statistic# = sn.statistic#
AND sn.name IN ('sorts (memory)',
'sorts (disk)',
'sorts (rows)',
'physical reads direct temporary tablespace',
'physical writes direct temporary tablespace',
'workarea executions - optimal',
'workarea executions - onepass',
'workarea executions - multipass')
GROUP BY s.sid,
s.machine,
s.program,
s.module,
s.osuser,
NVL(DECODE(TYPE,
'BACKGROUND',
'SYS (' || b.ksbdpnam || ')',
s.username),
SUBSTR(p.program, INSTR(p.program, '(')))
ORDER BY workarea_exec_multipass DESC,
workarea_exec_onepass DESC,
reads_direct_temp + writes_direct_temp DESC,
sorts_rows DESC)
WHERE ROWNUM <= 200
/
SELECT rawtohex(workarea_address) workarea_address,
sql_id,
sql_text,
operation_type,
policy,
sid,
active_time,
work_area_size,
expected_size,
actual_mem_used,
max_mem_used,
number_passes,
tempseg_size,
tablespace,
complete_ratio,
elapsed,
time_remaining,
opname,
machine,
program,
module,
osuser,
username
FROM (SELECT swa.workarea_address,
swa.sql_id,
sa.sql_text,
swa.operation_type,
swa.policy,
swa.sid,
swa.active_time / 1000 active_time,
swa.work_area_size,
swa.expected_size,
swa.actual_mem_used,
swa.max_mem_used,
swa.number_passes,
swa.tempseg_size,
swa.tablespace,
(CASE
WHEN sl.totalwork <> 0 THEN
sl.sofar / sl.totalwork
ELSE
NULL
END) complete_ratio,
sl.elapsed_seconds * 1000 elapsed,
sl.time_remaining * 1000 time_remaining,
sl.opname,
s.machine,
s.program,
s.module,
s.osuser,
NVL(DECODE(TYPE,
'BACKGROUND',
'SYS (' || b.ksbdpnam || ')',
s.username),
SUBSTR(p.program, INSTR(p.program, '('))) username,
ROW_NUMBER() OVER(PARTITION BY swa.sql_id ORDER BY sl.last_update_time DESC) rnum
FROM v$sql_workarea_active swa,
v$sqlarea sa,
(SELECT * FROM v$session_longops WHERE sofar <> totalwork) sl,
v$session s,
v$process p,
x$ksbdp b
WHERE sl.sid(+) = swa.sid
AND sl.sql_id(+) = swa.sql_id
AND swa.sid <> USERENV('sid')
AND sa.sql_id = swa.sql_id
AND s.sid = swa.sid
AND s.paddr = p.addr
AND b.inst_id(+) = USERENV('INSTANCE')
AND p.addr = b.ksbdppro(+)
ORDER BY swa.number_passes DESC, swa.work_area_size DESC)
WHERE rnum = 1
/
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