This script will get read/write times and file directories from your Oracle database. It proved useful to my developers...
By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time. Contact TechTarget at 275 Grove Street, Newton, MA.
to determine long-running query problems. Developers could now see if the DB was a major factor in query performance and also see the sqltext being run from a function call. It has been tested on Oracle 18.104.22.168, 22.214.171.124.1 and 126.96.36.199.0.
SELECT d.name file_name, d.blocks, f.phywrts, f.phyrds, f.readtim, f.writetim, t.name tablespace_name, f.phywrts/d.blocks wrts_per_block, f.phyrds/d.blocks rds_per_block FROM v$filestat f, v$datafile d, sys.ts$ t WHERE f.file#=d.file# AND d.blocks >0 AND t.ts#=d.ts# UNION ALL SELECT d.name file_name, d.blocks, f.phywrts, f.phyrds, f.readtim, f.writetim, t.name tablespace_name, f.phywrts/d.blocks wrts_per_block, f.phyrds/d.blocks rds_per_block FROM v$tempstat f, v$tempfile d, sys.ts$ t WHERE f.file#=d.file# AND d.blocks >0 AND t.ts#=d.ts# CREATE OR REPLACE FUNCTION getusername(sidval number) return varchar2 is username varchar2(256); begin select username into username from v$session where sid = sidval; return username; end; / SELECT DISTINCT /*+ORDERED*/ sql.sql_text, sql.address, sql.hash_value, 0 piece, sid, serial#, getusername(sid)username FROM v$session s, v$sql sql WHERE sql.address=s.sql_address AND sql.hash_value=s.sql_hash_value
For More Information
- Feedback: E-mail the editor with your thoughts about this tip.
- More tips: Hundreds of free Oracle tips and scripts.
- Tip contest: Have an Oracle tip to offer your fellow DBAs and developers? The best tips submitted will receive a cool prize -- submit your tip today!
- Ask the Experts: Our applications, SQL, database administration, and data warehousing gurus are waiting to answer your toughest questions.
- Forums: Ask your technical Oracle questions--or help out your peers by answering them--in our active forums.
- Best Web Links: Oracle tips, tutorials, and scripts from around the Web.