{"id":3742,"date":"2025-05-29T17:55:03","date_gmt":"2025-05-29T17:55:03","guid":{"rendered":"https:\/\/w3buddy.com\/?post_type=cposts&#038;p=3742"},"modified":"2025-05-29T17:55:04","modified_gmt":"2025-05-29T17:55:04","slug":"recovery-writer-process-rvwr","status":"publish","type":"cposts","link":"https:\/\/w3buddy.com\/blog\/notes\/getting-started-with-oracle-dba\/recovery-writer-process-rvwr\/","title":{"rendered":"Recovery Writer Process (RVWR)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Flashback Helper \u2014 Rewinding Database Time \u23ea<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd04 What is RVWR?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>recovery writer process (RVWR)<\/strong> works with the <strong>Flashback Database<\/strong> feature. It reads <strong>flashback data<\/strong> from the flashback buffer in the <strong>system global area (SGA)<\/strong> and writes it to <strong>flashback logs<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udee0\ufe0f What Does RVWR Do?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RVWR <strong>undoes transactions<\/strong> by moving the database state backward in time.<\/li>\n\n\n\n<li>It helps the database <strong>return to a previous point<\/strong>, using stored flashback logs.<\/li>\n\n\n\n<li>This makes it possible to <strong>recover from errors or unwanted changes<\/strong> without restoring backups.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2699\ufe0f Key Details<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RVWR can run as a <strong>thread<\/strong> or as an <strong>operating system process<\/strong>.<\/li>\n\n\n\n<li>It operates only if Flashback Database is configured and enabled.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udca1 Why RVWR Matters<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enables <strong>fast recovery<\/strong> to an earlier state without full database restore.<\/li>\n\n\n\n<li>Minimizes downtime by avoiding complex recovery operations.<\/li>\n\n\n\n<li>Works silently in the background, continuously maintaining flashback logs.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Flashback Helper \u2014 Rewinding Database Time \u23ea \ud83d\udd04 What is RVWR? The recovery writer process (RVWR) works with the Flashback Database feature. It reads flashback data from the flashback buffer in the system global area (SGA) and writes it to flashback logs. \ud83d\udee0\ufe0f What Does RVWR Do? \u2699\ufe0f Key Details \ud83d\udca1 Why RVWR Matters<\/p>\n","protected":false},"template":"","meta":{"googlesitekit_rrm_CAowu461DA:productID":""},"categories":[960,952],"class_list":["post-3742","cposts","type-cposts","status-publish","hentry","category-getting-started-with-oracle-dba","category-notes"],"_links":{"self":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/cposts\/3742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/cposts"}],"about":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/types\/cposts"}],"wp:attachment":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/media?parent=3742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/categories?post=3742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}