Monday, May 12, 2014

SCRIPT FOR CHECKING ARCHIVE LOG GENERATION ON ORACLE DATABASE

/////////////////////////On daily basis:

set pagesize 100
ALTER SESSION SET nls_date_format = 'YYYY-MM-DD';
-- As Table
SELECT TRUNC(completion_time) AS time, ROUND(SUM(blocks * block_size)/1024/1024,2) AS size_mb, ROUND(SUM(blocks * block_size)/1024/1024/1024,2) AS size_gb
FROM v$archived_log GROUP BY TRUNC(completion_time) ORDER BY 1 DESC;
-- As csv-File
SELECT TRUNC(completion_time) || ';' || ROUND(SUM(blocks * block_size)/1024/1024,2) || ';' || ROUND(SUM(blocks * block_size)/1024/1024/1024,2)
FROM v$archived_log GROUP BY TRUNC(completion_time) ORDER BY 1 DESC;



//////////////////////////On hourly basis:



set pagesize 100
ALTER SESSION SET nls_date_format = 'YYYY-MM-DD HH24';
-- As Table
SELECT TRUNC(completion_time,'HH24') AS time, ROUND(SUM(blocks * block_size)/1024/1024,2) AS size_mb, ROUND(SUM(blocks * block_size)/1024/1024/1024,2) AS size_gb
FROM v$archived_log GROUP BY TRUNC(completion_time,'HH24') ORDER BY 1 DESC;
-- As csv-File
SELECT TRUNC(completion_time,'HH24') || ';' || ROUND(SUM(blocks * block_size)/1024/1024,2) || ';' || ROUND(SUM(blocks * block_size)/1024/1024/1024,2)
FROM v$archived_log GROUP BY TRUNC(completion_time,'HH24') ORDER BY 1 DESC;

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About the Author : Anurag Pandey | Database cloud Architect | Oracle | SQL Server | PostgreSQL | AI and Data Platform Enthusiast

Anurag Pandey is a Database Architect with expertise in Oracle, PostgreSQL, SQL Server, Linux, and enterprise database platforms and specializes in database architecture, performance tuning, high availability, disaster recovery, cloud modernization, and operational excellence. With extensive experience in enterprise-scale environments, Anurag is passionate about leveraging AI, automation, and modern data platforms to improve reliability, scalability, and business outcomes. He actively contributes to technical communities through knowledge sharing, architecture guidance, and thought leadership in database and data engineering domains.

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