<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" > <channel> <title>scripts – 但行好事 莫问前程</title> <atom:link href="http://www.jydba.net/index.php/archives/category/scripts/feed" rel="self" type="application/rss+xml" /> <link>http://www.jydba.net</link> <description></description> <lastBuildDate>Thu, 24 Apr 2025 01:57:11 +0000</lastBuildDate> <language>zh-CN</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>https://wordpress.org/?v=4.9.10</generator> <item> <title>Using SQL Script Get Information about ASM</title> <link>http://www.jydba.net/index.php/archives/2031</link> <comments>http://www.jydba.net/index.php/archives/2031#respond</comments> <pubDate>Thu, 12 Jan 2017 02:28:11 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=2031</guid> <description><![CDATA[当诊断ASM问题时，如果知道ASM磁盘组名，磁盘组类型，磁盘状态，ASM实例初始 […... ]]></description> <content:encoded><![CDATA[<p>当诊断ASM问题时，如果知道ASM磁盘组名，磁盘组类型，磁盘状态，ASM实例初始化参数，与是否有rebalance操作在执行，对于诊断都是有帮助的。在这些情况下，通常会生成一个html格式的报告，通过在ASM实例中运行SQL脚本来生成。该脚本如下:</p> <pre>[grid@jyrac1 ~]$ cat asm_report.sql spool /home/grid/ASM_report.html set markup html on set echo off set feedback off set pages 10000 break on INST_ID on GROUP_NUMBER prompt ASM report select to_char(SYSDATE, 'DD-Mon-YYYY HH24:MI:SS') "Time" from dual; prompt Version select * from V$VERSION where BANNER like '%Database%' order by 1; prompt Cluster wide operations select * from GV$ASM_OPERATION order by 1; prompt prompt Disk groups, including the dismounted disk groups select * from V$ASM_DISKGROUP order by 1, 2, 3; prompt All disks, including the candidate disks select GROUP_NUMBER, DISK_NUMBER, FAILGROUP, NAME, LABEL, PATH, MOUNT_STATUS, HEADER_STATUS, STATE, OS_MB, TOTAL_MB, FREE_MB, CREATE_DATE, MOUNT_DATE, SECTOR_SIZE, VOTING_FILE, FAILGROUP_TYPE from V$ASM_DISK where MODE_STATUS='ONLINE' order by 1, 2; prompt Offline disks select GROUP_NUMBER, DISK_NUMBER, FAILGROUP, NAME, MOUNT_STATUS, HEADER_STATUS, STATE, REPAIR_TIMER from V$ASM_DISK where MODE_STATUS='OFFLINE' order by 1, 2; prompt Disk group attributes select GROUP_NUMBER, NAME, VALUE from V$ASM_ATTRIBUTE where NAME not like 'template%' order by 1; prompt Connected clients select * from V$ASM_CLIENT order by 1, 2; prompt Non-default ASM specific initialisation parameters, including the hidden ones select KSPPINM "Parameter", KSPFTCTXVL "Value" from X$KSPPI a, X$KSPPCV2 b where a.INDX + 1 = KSPFTCTXPN and (KSPPINM like '%asm%' or KSPPINM like '%balance%' or KSPPINM like '%auto_manage%') and kspftctxdf = 'FALSE' order by 1 desc; prompt Memory, cluster and instance specific initialisation parameters select NAME "Parameter", VALUE "Value", ISDEFAULT "Default" from V$PARAMETER where NAME like '%target%' or NAME like '%pool%' or NAME like 'cluster%' or NAME like 'instance%' order by 1; prompt Disk group imbalance select g.NAME "Diskgroup", 100*(max((d.TOTAL_MB-d.FREE_MB + (128*g.ALLOCATION_UNIT_SIZE/1048576))/(d.TOTAL_MB + (128*g.ALLOCATION_UNIT_SIZE/1048576)))-min((d.TOTAL_MB-d.FREE_MB + (128*g.ALLOCATION_UNIT_SIZE/1048576))/(d.TOTAL_MB + (128*g.ALLOCATION_UNIT_SIZE/1048576))))/max((d.TOTAL_MB-d.FREE_MB + (128*g.ALLOCATION_UNIT_SIZE/1048576))/(d.TOTAL_MB + (128*g.ALLOCATION_UNIT_SIZE/1048576))) "Imbalance", count(*) "Disk count", g.TYPE "Type" from V$ASM_DISK_STAT d , V$ASM_DISKGROUP_STAT g where d.GROUP_NUMBER = g.GROUP_NUMBER and d.STATE = 'NORMAL' and d.MOUNT_STATUS = 'CACHED' group by g.NAME, g.TYPE; prompt End of ASM report set markup html off set echo on set feedback on exit </pre> <p>为了生成报告并保存为/home/grid/ASM_report.html，以Grid Infrastructure用户(通常为grid或oracle)来执行</p> <pre>[grid@jyrac1 ~]$ sqlplus / as sysasm @asm_report.sql SQL*Plus: Release 11.2.0.4.0 Production on Thu Jan 12 09:44:24 2017 Copyright (c) 1982, 2013, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Real Application Clusters and Automatic Storage Management options ASM report </pre> <p> </p> <p> </p> <table border="1" summary="Script output" width="90%" align="center"> <tbody> <tr> <th scope="col">Time</th> </tr> <tr> <td>12-Jan-2017 09:44:24</td> </tr> </tbody> </table> <p> </p> <p>Version</p> <p> </p> <p> </p> <table border="1" summary="Script output" width="90%" align="center"> <tbody> <tr> <th scope="col">BANNER</th> </tr> <tr> <td>Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 – 64bit Production</td> </tr> </tbody> </table> <p>…..</p> <pre>NORMAL </pre> <p> </p> <p>End of ASM report<br /> SQL> set feedback on SQL> exit Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 – 64bit Production With the Real Application Clusters and Automatic Storage Management options</p> <p>报告内容<br /> 报告首先显示了报告生成的时间与ASM的版本。<br /> <a href="http://www.jydba.net/wp-content/uploads/1-4.jpg"><img class="alignnone size-medium wp-image-2032" src="http://www.jydba.net/wp-content/uploads/1-4-580x96.jpg" alt="" width="580" height="96" srcset="http://www.jydba.net/wp-content/uploads/1-4-580x96.jpg 580w, http://www.jydba.net/wp-content/uploads/1-4-768x128.jpg 768w, http://www.jydba.net/wp-content/uploads/1-4-940x156.jpg 940w, http://www.jydba.net/wp-content/uploads/1-4.jpg 1251w" sizes="(max-width: 580px) 100vw, 580px" /></a><br /> 如果存在执行的任何ASM操作将会显示，我这里没有正在执行的ASM操作。所以Cluster wide operations下面没有内容。</p> <p>接下来可以看到所有磁盘组，包含dismounted磁盘组。<br /> <a href="http://www.jydba.net/wp-content/uploads/2-4.jpg"><img class="alignnone size-medium wp-image-2033" src="http://www.jydba.net/wp-content/uploads/2-4-580x88.jpg" alt="" width="580" height="88" srcset="http://www.jydba.net/wp-content/uploads/2-4-580x88.jpg 580w, http://www.jydba.net/wp-content/uploads/2-4-768x116.jpg 768w, http://www.jydba.net/wp-content/uploads/2-4-940x143.jpg 940w, http://www.jydba.net/wp-content/uploads/2-4.jpg 1121w" sizes="(max-width: 580px) 100vw, 580px" /></a><br /> 接下来可以看到磁盘，也会包含那些状态为candidate的磁盘<br /> <a href="http://www.jydba.net/wp-content/uploads/3-3.jpg"><img class="alignnone size-medium wp-image-2034" src="http://www.jydba.net/wp-content/uploads/3-3-580x161.jpg" alt="" width="580" height="161" srcset="http://www.jydba.net/wp-content/uploads/3-3-580x161.jpg 580w, http://www.jydba.net/wp-content/uploads/3-3-768x213.jpg 768w, http://www.jydba.net/wp-content/uploads/3-3-940x261.jpg 940w, http://www.jydba.net/wp-content/uploads/3-3.jpg 1241w" sizes="(max-width: 580px) 100vw, 580px" /></a><br /> 接下来是关于脱机磁盘的信息，因为我这里没有脱机磁盘，所以该部分内容为空</p> <p>再接下来就是磁盘组属性<br /> <a href="http://www.jydba.net/wp-content/uploads/4-4.jpg"><img class="alignnone size-medium wp-image-2035" src="http://www.jydba.net/wp-content/uploads/4-4-580x252.jpg" alt="" width="580" height="252" srcset="http://www.jydba.net/wp-content/uploads/4-4-580x252.jpg 580w, http://www.jydba.net/wp-content/uploads/4-4-768x334.jpg 768w, http://www.jydba.net/wp-content/uploads/4-4-940x409.jpg 940w, http://www.jydba.net/wp-content/uploads/4-4.jpg 1235w" sizes="(max-width: 580px) 100vw, 580px" /></a><br /> 接下来是连接到ASM的客户端<br /> <a href="http://www.jydba.net/wp-content/uploads/5-3.jpg"><img class="alignnone size-medium wp-image-2036" src="http://www.jydba.net/wp-content/uploads/5-3-580x81.jpg" alt="" width="580" height="81" srcset="http://www.jydba.net/wp-content/uploads/5-3-580x81.jpg 580w, http://www.jydba.net/wp-content/uploads/5-3-768x107.jpg 768w, http://www.jydba.net/wp-content/uploads/5-3-940x131.jpg 940w, http://www.jydba.net/wp-content/uploads/5-3.jpg 1245w" sizes="(max-width: 580px) 100vw, 580px" /></a><br /> ASM初始化参数包含隐含参数与一些Exadata特定参数(_auto_manage)<br /> <a href="http://www.jydba.net/wp-content/uploads/6-3.jpg"><img class="alignnone size-medium wp-image-2037" src="http://www.jydba.net/wp-content/uploads/6-3-580x80.jpg" alt="" width="580" height="80" srcset="http://www.jydba.net/wp-content/uploads/6-3-580x80.jpg 580w, http://www.jydba.net/wp-content/uploads/6-3-768x106.jpg 768w, http://www.jydba.net/wp-content/uploads/6-3-940x130.jpg 940w, http://www.jydba.net/wp-content/uploads/6-3.jpg 1238w" sizes="(max-width: 580px) 100vw, 580px" /></a><br /> 内存，集群与实例特定参数<br /> <a href="http://www.jydba.net/wp-content/uploads/7-3.jpg"><img class="alignnone size-medium wp-image-2038" src="http://www.jydba.net/wp-content/uploads/7-3-580x152.jpg" alt="" width="580" height="152" srcset="http://www.jydba.net/wp-content/uploads/7-3-580x152.jpg 580w, http://www.jydba.net/wp-content/uploads/7-3-768x202.jpg 768w, http://www.jydba.net/wp-content/uploads/7-3-940x247.jpg 940w, http://www.jydba.net/wp-content/uploads/7-3.jpg 1244w" sizes="(max-width: 580px) 100vw, 580px" /></a><br /> 最后是磁盘组不平衡信息<br /> <a href="http://www.jydba.net/wp-content/uploads/8-4.jpg"><img class="alignnone size-medium wp-image-2039" src="http://www.jydba.net/wp-content/uploads/8-4-580x79.jpg" alt="" width="580" height="79" srcset="http://www.jydba.net/wp-content/uploads/8-4-580x79.jpg 580w, http://www.jydba.net/wp-content/uploads/8-4-768x105.jpg 768w, http://www.jydba.net/wp-content/uploads/8-4-940x129.jpg 940w, http://www.jydba.net/wp-content/uploads/8-4.jpg 1248w" sizes="(max-width: 580px) 100vw, 580px" /></a></p> <p>小结:<br /> 使用这个报告可以快速查看ASM相关信息，它也可以作为ASM设置的一种备份。</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/2031/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>查询缓冲区缓存忙等待</title> <link>http://www.jydba.net/index.php/archives/1734</link> <comments>http://www.jydba.net/index.php/archives/1734#respond</comments> <pubDate>Thu, 22 Jan 2015 05:14:55 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1734</guid> <description><![CDATA[set pages 9999; column buffer_busy_wait […... ]]></description> <content:encoded><![CDATA[<p>set pages 9999;<br /> column buffer_busy_wait format 999,999,999;<br /> column mydate heading ‘yr. mo dy Hr.’</p> <p>select<br /> to_char(snap_time,’yyyy-mm-dd HH24′) mydate,<br /> new.name,<br /> new.buffer_busy_wait-old.buffer_busy_wait buffer_busy_wait<br /> from<br /> perfstat.stats$buffer_pool_statistics old,<br /> perfstat.stats$buffer_pool_statistics new,<br /> perfstat.stats$snapshot sn<br /> where<br /> new.name=old.name<br /> and new.snap_id=sn.snap_id<br /> and old.snap_id=sn.snap_id-1<br /> and new.buffer_busy_wait-old.buffer_busy_wait>1<br /> group by to_char(snap_time,’yyyy-mm-dd HH24′),<br /> new.name,<br /> new.buffer_busy_wait-old.buffer_busy_wait;</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1734/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>通过脚本来查看alert.log</title> <link>http://www.jydba.net/index.php/archives/1713</link> <comments>http://www.jydba.net/index.php/archives/1713#respond</comments> <pubDate>Mon, 12 Jan 2015 04:49:03 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1713</guid> <description><![CDATA[create or replace directory data_dir as […... ]]></description> <content:encoded><![CDATA[<p>create or replace directory data_dir as ‘/oracle/diag/rdbms/develop/develop/trace’;</p> <p>CREATE TABLE alert_log<br /> (<br /> text_line varchar2(2000)<br /> )<br /> ORGANIZATION EXTERNAL<br /> (<br /> TYPE ORACLE_LOADER<br /> DEFAULT DIRECTORY data_dir<br /> ACCESS PARAMETERS<br /> (<br /> records delimited by newline<br /> fields<br /> REJECT ROWS WITH ALL NULL FIELDS<br /> )<br /> LOCATION<br /> (<br /> ‘alert_develop.log’<br /> )<br /> )<br /> REJECT LIMIT unlimited;</p> <p>select to_char(last_time,’dd-mon-yyyy hh24:mi’) shutdown,<br /> to_char(start_time,’dd-mon-yyyy hh24:mi’) startup,<br /> round((start_time-last_time)*24*60,2) mins_down,<br /> round((last_time-lag(start_time) over (order by r)),2) days_up,<br /> case when (lead(r) over (order by r) is null )<br /> then round((sysdate-start_time),2)<br /> end days_still_up<br /> from (<br /> select r,<br /> to_date(last_time, ‘Dy Mon DD HH24:MI:SS YYYY’) last_time,<br /> to_date(start_time,’Dy Mon DD HH24:MI:SS YYYY’) start_time<br /> from (<br /> select r,<br /> text_line,<br /> lag(text_line,1) over (order by r) start_time,<br /> lag(text_line,2) over (order by r) last_time<br /> from (<br /> select rownum r, text_line<br /> from alert_log<br /> where text_line like ‘___ ___ __ __:__:__ 20__’<br /> or text_line like ‘Starting ORACLE instance %’<br /> )<br /> )<br /> where text_line like ‘Starting ORACLE instance %’<br /> and start_time not like ‘Starting ORACLE instance %’ and last_time not like ‘Starting ORACLE instance %’</p> <p>)</p> <p>select to_char(‘Fri Mar 09 11:20:21 2012′,’dd-mon-yyyy hh24:mi’) from dual</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1713/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>获取latch信息</title> <link>http://www.jydba.net/index.php/archives/1732</link> <comments>http://www.jydba.net/index.php/archives/1732#respond</comments> <pubDate>Thu, 12 Jun 2014 05:12:50 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1732</guid> <description><![CDATA[DEF _lhp_what=”&1″ DEF _ […... ]]></description> <content:encoded><![CDATA[<p>DEF _lhp_what=”&1″<br /> DEF _lhp_sid=”&2″<br /> DEF _lhp_name=”&3″<br /> DEF _lhp_samples=”&4″</p> <p>COL name FOR A35 TRUNCATE<br /> COL latchprof_total_ms HEAD “Held ms” FOR 999999.999<br /> COL latchprof_pct_total_samples head “Held %” format 999.99<br /> COL latchprof_avg_ms HEAD “Avg hold ms” FOR 999.999<br /> COL dist_samples HEAD Gets<br /> COL total_samples HEAD Held</p> <p>BREAK ON lhp_name SKIP 1</p> <p>DEF _IF_ORA_10_OR_HIGHER=”–”</p> <p>PROMPT<br /> PROMPT — LatchProf 2.00 by Tanel Poder ( http://www.tanelpoder.com )</p> <p>COL latchprof_oraversion NOPRINT NEW_VALUE _IF_ORA_10_OR_HIGHER</p> <p>SET TERMOUT OFF<br /> SELECT DECODE(SUBSTR(BANNER, INSTR(BANNER, ‘Release ‘)+8,1), 1, ”, ‘–‘) latchprof_oraversion<br /> FROM v$version WHERE ROWNUM=1;<br /> SET TERMOUT ON</p> <p>WITH<br /> t1 AS (SELECT hsecs FROM v$timer),<br /> samples AS (<br /> SELECT /*+ ORDERED USE_NL(l) USE_NL(s) USE_NL(l.gv$latchholder.x$ksuprlat) NO_TRANSFORM_DISTINCT_AGG */<br /> &_lhp_what<br /> &_IF_ORA_10_OR_HIGHER , COUNT(DISTINCT gets) dist_samples<br /> , COUNT(*) total_samples<br /> , COUNT(*) / &_lhp_samples total_samples_pct<br /> FROM<br /> (SELECT /*+ NO_MERGE */ 1 FROM DUAL CONNECT BY LEVEL <= &_lhp_samples) s,<br /> v$latchholder l,<br /> (SELECT<br /> sid indx<br /> , sql_hash_value sqlhash<br /> , sql_address sqladdr<br /> &_IF_ORA_10_OR_HIGHER , sql_child_number sqlchild<br /> &_IF_ORA_10_OR_HIGHER , sql_id sqlid<br /> FROM v$session) s<br /> WHERE<br /> l.sid LIKE ‘&_lhp_sid’<br /> AND (LOWER(l.name) LIKE LOWER(‘%&_lhp_name%’) OR LOWER(RAWTOHEX(l.laddr)) LIKE LOWER(‘%&_lhp_name%’))<br /> AND l.sid = s.indx<br /> GROUP BY<br /> &_lhp_what<br /> ORDER BY<br /> total_samples DESC<br /> ),<br /> t2 AS (SELECT hsecs FROM v$timer)<br /> SELECT /*+ ORDERED */<br /> &_lhp_what<br /> , s.total_samples<br /> &_IF_ORA_10_OR_HIGHER , s.dist_samples<br /> — , s.total_samples_pct<br /> , s.total_samples / &_lhp_samples * 100 latchprof_pct_total_samples<br /> , (t2.hsecs – t1.hsecs) * 10 * s.total_samples / &_lhp_samples latchprof_total_ms<br /> — s.dist_events,<br /> &_IF_ORA_10_OR_HIGHER , (t2.hsecs – t1.hsecs) * 10 * s.total_samples / dist_samples / &_lhp_samples latchprof_avg_ms<br /> FROM<br /> t1,<br /> samples s,<br /> t2<br /> WHERE ROWNUM <= 30<br /> /</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1732/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>获取当前所有会话等待事件信息</title> <link>http://www.jydba.net/index.php/archives/1730</link> <comments>http://www.jydba.net/index.php/archives/1730#respond</comments> <pubDate>Wed, 15 Jan 2014 05:11:24 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1730</guid> <description><![CDATA[select s.sid,s.username,s.event,s.wait_t […... ]]></description> <content:encoded><![CDATA[<p>select s.sid,s.username,s.event,s.wait_time,s.state,s.seconds_in_wait,p.PROGRAM,s.MACHINE,<br /> (select c.SQL_FULLTEXT from v$sqlarea c where c.SQL_ID=s.SQL_ID) sql_fulltext,<br /> (select c.BIND_DATA from v$sqlarea c where c.SQL_ID=s.SQL_ID) BIND_DATA,s.SQL_ID,<br /> s.P1TEXT,s.p1,s.p1raw,s.P2TEXT,s.p2,s.P2RAW,s.P3TEXT,s.P3,s.P3RAW<br /> from v$session s,v$process p<br /> where s.username is not null and s.PADDR=p.ADDR<br /> and s.event not like’%SQL*Net%’<br /> order by s.wait_time desc</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1730/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>获取数据库每天的排序统计数据脚本</title> <link>http://www.jydba.net/index.php/archives/1716</link> <comments>http://www.jydba.net/index.php/archives/1716#respond</comments> <pubDate>Sun, 12 Jan 2014 04:52:46 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1716</guid> <description><![CDATA[set pages 9999; column sorts_memory form […... ]]></description> <content:encoded><![CDATA[<p>set pages 9999;<br /> column sorts_memory format 999,999,999<br /> column sorts_disk format 999,999,999<br /> column ratio format .9999</p> <p>select<br /> to_char(sn.snap_time,’day’) DAY,<br /> avg(newmem.value-oldmem.value) sorts_memory,<br /> avg(newdsk.value-olddsk.value) sorts_dsk<br /> from<br /> stats$sysstat oldmem,<br /> stats$sysstat newmem,<br /> stats$sysstat newdsk,<br /> stats$sysstat olddsk,<br /> stats$snapshot sn<br /> where<br /> newdsk.snap_id=sn.snap_id<br /> and olddsk.snap_id=sn.snap_id-1<br /> and newmem.snap_id=sn.snap_id<br /> and oldmem.snap_id=sn.snap_id-1<br /> and oldmem.name=’sorts (memory)’<br /> and newmem.name=’sorts (memory)’<br /> and olddsk.name=’sorts (disk)’<br /> and newdsk.name=’sorts (disk)’<br /> and newmem.value-oldmem.value>0<br /> and newdsk.value-olddsk.value>0<br /> group by to_char(sn.snap_time,’day’);</p> <p>select<br /> to_char(sn.begin_interval_time,’day’) DAY,<br /> avg(newmem.value-oldmem.value) sorts_memory,<br /> avg(newdsk.value-olddsk.value) sorts_dsk<br /> from<br /> dba_hist_sysstat oldmem,<br /> dba_hist_sysstat newmem,<br /> dba_hist_sysstat newdsk,<br /> dba_hist_sysstat olddsk,<br /> dba_hist_snapshot sn<br /> where<br /> newdsk.snap_id=sn.snap_id<br /> and olddsk.snap_id=sn.snap_id-1<br /> and newmem.snap_id=sn.snap_id<br /> and oldmem.snap_id=sn.snap_id-1<br /> and oldmem.stat_name=’sorts (memory)’<br /> and newmem.stat_name=’sorts (memory)’<br /> and olddsk.stat_name=’sorts (disk)’<br /> and newdsk.stat_name=’sorts (disk)’<br /> and newmem.value-oldmem.value>0<br /> and newdsk.value-olddsk.value>0<br /> group by to_char(sn.begin_interval_time,’day’);</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1716/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>获取会话所使用的undo block统计数据</title> <link>http://www.jydba.net/index.php/archives/1726</link> <comments>http://www.jydba.net/index.php/archives/1726#respond</comments> <pubDate>Wed, 13 Nov 2013 05:07:22 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1726</guid> <description><![CDATA[select used_ublk from v$transaction wher […... ]]></description> <content:encoded><![CDATA[<p>select used_ublk<br /> from v$transaction<br /> where addr = (select taddr<br /> from v$session<br /> where sid = (select sid<br /> from v$mystat<br /> where rownum = 1<br /> )<br /> )</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1726/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>获取数据库缓冲区缓存丢失统计数据</title> <link>http://www.jydba.net/index.php/archives/1722</link> <comments>http://www.jydba.net/index.php/archives/1722#respond</comments> <pubDate>Tue, 12 Nov 2013 05:02:45 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1722</guid> <description><![CDATA[set lines 80; set pages 999; column myda […... ]]></description> <content:encoded><![CDATA[<p>set lines 80;<br /> set pages 999;<br /> column mydate heading ‘Yr. Mo Dy Hr.’ format a16<br /> column c1 heading “execs” format 9,999,999<br /> column c2 heading “Cache Misses|While Executing” format 9,999,999<br /> column c3 heading “Library Cache|Miss Ratio” format 999,99999</p> <p>break on mydate skip 2;<br /> select<br /> to_char(sn.snap_time,’yyyy-mm-dd HH24′) mydate,<br /> sum(new.pins-old.pins) c1,<br /> sum(new.reloads-old.reloads) c2,<br /> sum(new.reloads-old.reloads)/<br /> sum(new.pins-old.pins) c3<br /> from<br /> stats$librarycache old,<br /> stats$librarycache new,<br /> stats$snapshot sn<br /> where new.snap_id=sn.snap_id<br /> and old.snap_id=new.snap_id-1<br /> and old.namespace=new.namespace<br /> group by to_char(sn.snap_time,’yyyy-mm-dd HH24′);</p> <p>select<br /> to_char(sn.begin_interval_time,’yyyy-mm-dd HH24′) mydate,<br /> sum(new.pins-old.pins) c1,<br /> sum(new.reloads-old.reloads) c2,<br /> sum(new.reloads-old.reloads)/<br /> sum(new.pins-old.pins) c3<br /> from<br /> dba_hist_librarycache old,<br /> dba_hist_librarycache new,<br /> dba_hist_snapshot sn<br /> where new.snap_id=sn.snap_id<br /> and old.snap_id=new.snap_id-1<br /> and old.namespace=new.namespace<br /> group by to_char(sn.begin_interval_time,’yyyy-mm-dd HH24′);</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1722/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>查询内存与磁盘排序统计数据</title> <link>http://www.jydba.net/index.php/archives/1724</link> <comments>http://www.jydba.net/index.php/archives/1724#respond</comments> <pubDate>Wed, 23 Oct 2013 05:04:32 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1724</guid> <description><![CDATA[set pages 9999; column mydate heading &# […... ]]></description> <content:encoded><![CDATA[<p>set pages 9999;<br /> column mydate heading ‘Yr. Mo Dy Hr.’ format a16<br /> column sorts_memory format 999,999,999<br /> column sorts_disk format 999,999,999<br /> column ratio format .99999</p> <p>select<br /> to_char(sn.snap_time,’yyyy-mm-dd HH24′) mydate,<br /> newmem.value-oldmem.value sorts_memory,<br /> newdsk.value-olddsk.value sorts_disk,<br /> ((newdsk.value-olddsk.value)/(newmem.value-oldmem.value)) ratio<br /> from<br /> stats$sysstat oldmem,<br /> stats$sysstat newmem,<br /> stats$sysstat olddsk,<br /> stats$sysstat newdsk,<br /> stats$snapshot sn<br /> where<br /> newdsk.snap_id=sn.snap_id<br /> and olddsk.snap_id=sn.snap_id-1<br /> and newmem.snap_id=sn.snap_id<br /> and oldmem.snap_id=sn.snap_id-1<br /> and oldmem.name=’sorts (memory)’<br /> and newmem.name=’sorts (memory)’<br /> and olddsk.name=’sorts (disk)’<br /> and newdsk.name=’sorts (disk)’<br /> and newmem.value-oldmem.value>0<br /> and newdsk.value-olddsk.value>0;</p> <p>select<br /> to_char(sn.begin_interval_time,’yyyy-mm-dd HH24′) mydate,<br /> newmem.value-oldmem.value sorts_memory,<br /> newdsk.value-olddsk.value sorts_disk,<br /> ((newdsk.value-olddsk.value)/(newmem.value-oldmem.value)) ratio<br /> from<br /> dba_hist_sysstat oldmem,<br /> dba_hist_sysstat newmem,<br /> dba_hist_sysstat olddsk,<br /> dba_hist_sysstat newdsk,<br /> dba_hist_snapshot sn<br /> where<br /> newdsk.snap_id=sn.snap_id<br /> and olddsk.snap_id=sn.snap_id-1<br /> and newmem.snap_id=sn.snap_id<br /> and oldmem.snap_id=sn.snap_id-1<br /> and oldmem.stat_name=’sorts (memory)’<br /> and newmem.stat_name=’sorts (memory)’<br /> and olddsk.stat_name=’sorts (disk)’<br /> and newdsk.stat_name=’sorts (disk)’<br /> and newmem.value-oldmem.value>0<br /> and newdsk.value-olddsk.value>0;</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1724/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>获取热点对象</title> <link>http://www.jydba.net/index.php/archives/1728</link> <comments>http://www.jydba.net/index.php/archives/1728#respond</comments> <pubDate>Mon, 14 Oct 2013 05:08:30 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1728</guid> <description><![CDATA[select tch, file#, dbablk, case when obj […... ]]></description> <content:encoded><![CDATA[<p>select tch,<br /> file#,<br /> dbablk,<br /> case<br /> when obj = 4294967295 then<br /> ‘rbs/compat segment’<br /> else<br /> (select max(‘(‘ || object_type || ‘) ‘ || owner || ‘.’ ||<br /> object_name) || decode(count(*), 1, ”, ‘ maybe!’)<br /> from dba_objects<br /> where data_object_id = X.OBJ)<br /> end what<br /> from (select tch, file#, dbablk, obj<br /> from x$bh<br /> where state <> 0<br /> order by tch desc) x<br /> where rownum < = 5;</p> <p>select * from dba_extents z,<br /> (select tch, file#, dbablk, obj<br /> from x$bh<br /> where state <> 0<br /> and rownum < = 5<br /> order by tch desc) y<br /> where z.file_id=y.file# and z.block_id<=y.dbablk and z.block_id+z.blocks-1>=y.dbablk;</p> <p>select * from dba_extents where file_id = FILE# and block_id < = DBABLK and block_id+blocks-1 >= DBABLK。</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1728/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>获取隐藏参数</title> <link>http://www.jydba.net/index.php/archives/1720</link> <comments>http://www.jydba.net/index.php/archives/1720#respond</comments> <pubDate>Sat, 12 Oct 2013 04:59:03 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1720</guid> <description><![CDATA[select x.ksppinm NAME,y.ksppstvl value,x […... ]]></description> <content:encoded><![CDATA[<p>select x.ksppinm NAME,y.ksppstvl value,x.ksppdesc describ<br /> from x$ksppi x, x$ksppcv y<br /> where x.inst_id=USERENV(‘Instance’)<br /> and y.inst_id=USERENV(‘Instance’)<br /> and x.indx=y.indx<br /> and x.ksppinm like ‘%&par%’;</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1720/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item> <title>获取数据库每小时的排序统计数据</title> <link>http://www.jydba.net/index.php/archives/1718</link> <comments>http://www.jydba.net/index.php/archives/1718#respond</comments> <pubDate>Thu, 12 Sep 2013 04:57:56 +0000</pubDate> <dc:creator><![CDATA[YongJing(敬勇)]]></dc:creator> <category><![CDATA[scripts]]></category> <guid isPermaLink="false">http://www.jydba.net/?p=1718</guid> <description><![CDATA[set pages 9999; column sorts_memory form […... ]]></description> <content:encoded><![CDATA[<p>set pages 9999;<br /> column sorts_memory format 999,999,999<br /> column sorts_disk format 999,999,999<br /> column ratio format .99999</p> <p>select<br /> to_char(sn.snap_time,’HH24′),<br /> avg(newmem.value-oldmem.value) sorts_memory,<br /> avg(newdsk.value-olddsk.value) sorts_disk<br /> from<br /> stats$sysstat oldmem,<br /> stats$sysstat newmem,<br /> stats$sysstat olddsk,<br /> stats$sysstat newdsk,<br /> stats$snapshot sn<br /> where<br /> newdsk.snap_id=sn.snap_id<br /> and olddsk.snap_id=sn.snap_id-1<br /> and newmem.snap_id=sn.snap_id<br /> and oldmem.snap_id=sn.snap_id-1<br /> and oldmem.name=’sorts (memory)’<br /> and newmem.name=’sorts (memory)’<br /> and olddsk.name=’sorts (disk)’<br /> and newdsk.name=’sorts (disk)’<br /> and newmem.value-oldmem.value>0<br /> and newdsk.value-olddsk.value>0<br /> group by to_char(sn.snap_time,’HH24′);</p> <p>select<br /> to_char(sn.begin_interval_time,’HH24′),<br /> avg(newmem.value-oldmem.value) sorts_memory,<br /> avg(newdsk.value-olddsk.value) sorts_disk<br /> from<br /> dba_hist_sysstat oldmem,<br /> dba_hist_sysstat newmem,<br /> dba_hist_sysstat olddsk,<br /> dba_hist_sysstat newdsk,<br /> dba_hist_snapshot sn<br /> where<br /> newdsk.snap_id=sn.snap_id<br /> and olddsk.snap_id=sn.snap_id-1<br /> and newmem.snap_id=sn.snap_id<br /> and oldmem.snap_id=sn.snap_id-1<br /> and oldmem.stat_name=’sorts (memory)’<br /> and newmem.stat_name=’sorts (memory)’<br /> and olddsk.stat_name=’sorts (disk)’<br /> and newdsk.stat_name=’sorts (disk)’<br /> and newmem.value-oldmem.value>0<br /> and newdsk.value-olddsk.value>0<br /> group by to_char(sn.begin_interval_time,’HH24′);</p> ]]></content:encoded> <wfw:commentRss>http://www.jydba.net/index.php/archives/1718/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>