{"id":250,"date":"2016-12-09T10:03:24","date_gmt":"2016-12-09T16:03:24","guid":{"rendered":"http:\/\/www.aamirharoon.com\/?p=250"},"modified":"2016-12-09T10:03:24","modified_gmt":"2016-12-09T16:03:24","slug":"awr-warehouse-repository-cleanup","status":"publish","type":"post","link":"https:\/\/aamirharoon.com\/?p=250","title":{"rendered":"AWR Warehouse Repository Cleanup"},"content":{"rendered":"

Recently I was testing AWR Warehouse functionality at work and had to re-configure the AWR Repository database due to a firewall issue which caused me to change the database port number. Anyways, when I re-configured the AWR Warehouse database, I didn’t cleanup or deleted the source databases.<\/p>\n

After configuring the AWR Warehouse database in OEM Cloud Control, I noticed that all my source databases were missing and space was not released. After doing some research and reading the DBSNMP.MGMT_CAW_LOAD package, I found that OEM Cloud Control assigned a new EM_ID when I re-configured the AWR Warehouse repository database. To find out your AWR Warehouse EM_ID run the following query in OEM Cloud Control repository database or OMR. Before I re-configured the output was “1.”<\/p>\n

\r\nSQL> SELECT EM_ID FROM sysman.DB_CAW_REPOS\r\n \r\n     EM_ID\r\n----------\r\n         2\r\n\r\n1 row selected.\r\n<\/pre>\n
On AWR Warehouse repository database, I queried some %CAW% tables in DBSNMP schema and found out that remnants of EM_ID 1 still exist.<\/p>\n
Following query showed two AWR repositories and their properties:<\/p>\n
 \r\nSQL> SELECT DISTINCT EM_ID\r\n  FROM DBSNMP.CAW_PROPERTIES\r\nWHERE EM_ID IS NOT NULL\r\n \r\n     EM_ID\r\n----------\r\n         1\r\n         2\r\n \r\n2 rows selected.\r\n<\/pre>\n
There were two source databases that belonged to EM_ID 1.<\/p>\n
\r\nSQL> SELECT COUNT(*)\r\nFROM DBSNMP.CAW_SRC_DBS\r\nWHERE EM_ID = 1\r\n \r\n  COUNT(*)\r\n----------\r\n         2\r\n\r\n1 row selected.\r\n<\/pre>\n
The data in CAW_SPACE_USAGE table is used to show how much space is being used by AWR Warehouse repository database in OEM Cloud Control dash board.  And since I just re-configured the AWR repository database with having zero source database, the 5GB of used space didn’t make any sense.<\/p>\n
\r\nSQL> SELECT TOTAL_SIZE_MB\r\nFROM DBSNMP.CAW_SPACE_USAGE\r\nWHERE UPDATE_DATE > SYSDATE - 2\r\n \r\nTOTAL_SIZE_MB\r\n-------------\r\n         5143\r\n\r\n1 row selected.\r\n<\/pre>\n
The DELETED Column in CAW_SRC_DBS tables get updated whenever you delete a source database.  And since EM_ID = 1 is the old AWR Repository, I needed to have following two databases marked deleted.<\/p>\n
\r\nSQL> COL TARGET_TYPE FORMAT A15\r\nSQL> SELECT CAW_SRC_ID, TARGET_TYPE, DELETED\r\nFROM DBSNMP.CAW_SRC_DBS\r\nWHERE EM_ID = 1\r\n \r\nCAW_SRC_ID TARGET_TYPE     DELETED\r\n---------- --------------- -------\r\n         4 oracle_database N     \r\n         5 oracle_database N     \r\n \r\n2 rows selected.\r\n<\/pre>\n
I didn’t want to manually update all these tables and break something.  And I couldn’t find any clear answer on the web, so I start reading DBSNMP.MGMT_CAW_LOAD package and found a procedure called “CELANUP.”  This procedure truncates the CAW_SPACE_USAGE table, updates CAW_SRC_DBS and deletes rows from CAW_PROPERTIES table.  Exactly what I was looking for \ud83d\ude42<\/p>\n
 \r\nSQL> EXEC DBSNMP.MGMT_CAW_LOAD.CLEANUP(EM_ID => 1)\r\n\r\nPL\/SQL procedure successfully completed.\r\n\r\nElapsed: 00:00:00.16\r\n\r\nSQL> COMMIT\r\n\r\nCommit complete.\r\n\r\nElapsed: 00:00:00.11\r\n<\/pre>\n
Now there are properties for only one AWR Warehouse:<\/p>\n
 \r\nSQL> SELECT DISTINCT EM_ID\r\n  FROM DBSNMP.CAW_PROPERTIES\r\nWHERE EM_ID IS NOT NULL\r\n \r\n     EM_ID\r\n----------\r\n         2\r\n\r\n1 row selected.\r\n<\/pre>\n
CAW_SPACE_USAGE table was truncated.  But don’t worry, it gets populated within 5mins by a scheduled job.  Only one row gets inserted in 24 hours and UPDATE_DATE column gets sysdate-1 value.  I am not sure why, but don’t be surprised if it gets updated with yesterday date.<\/p>\n
\r\nSQL> SELECT TOTAL_SIZE_MB\r\nFROM DBSNMP.CAW_SPACE_USAGE;\r\n\r\nno rows selected.\r\n<\/pre>\n
\"AWR<\/p>\n
Now the two tables have been updated with DELETED = Y:<\/p>\n
\r\nSQL> COL TARGET_TYPE FORMAT A15\r\nSQL> SELECT CAW_SRC_ID, TARGET_TYPE, DELETED\r\nFROM DBSNMP.CAW_SRC_DBS\r\nWHERE EM_ID = 1\r\n \r\nCAW_SRC_ID TARGET_TYPE     DELETED\r\n---------- --------------- -------\r\n         4 oracle_database Y     \r\n         5 oracle_database Y     \r\n \r\n2 rows selected.\r\n<\/pre>\n
To find out current space allocated by source databases in AWR Repository, run the following query.  This will give space usage in MB. <\/p>\n
 \r\nSELECT ROUND (SPACE_USAGE_KBYTES \/ 1024, 2)\r\n  FROM V$SYSAUX_OCCUPANTS\r\nWHERE OCCUPANT_NAME = 'SM\/AWR';\r\n<\/pre>\n
If you ever need to re-configure AWR Repository database, make sure to delete all source databases and run the CLEANUP procedure after removing it from OEM Cloud Control.<\/p>\n","protected":false},"excerpt":{"rendered":"
Recently I was testing AWR Warehouse functionality at work and had to re-configure the AWR Repository database due to a firewall issue which caused me to change the database port number. Anyways, when I re-configured the AWR Warehouse database, I didn’t cleanup or deleted the source databases. After configuring the AWR Warehouse database in OEM […]<\/p>\n","protected":false},"author":1,"featured_media":262,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oem-cc-12c"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"yoast_head":"\nAWR Warehouse Repository Cleanup - The Database Handyman<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aamirharoon.com\/?p=250\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AWR Warehouse Repository Cleanup - The Database Handyman\" \/>\n<meta property=\"og:description\" content=\"Recently I was testing AWR Warehouse functionality at work and had to re-configure the AWR Repository database due to a firewall issue which caused me to change the database port number. Anyways, when I re-configured the AWR Warehouse database, I didn’t cleanup or deleted the source databases. 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