{"id":3734,"date":"2025-05-29T17:48:13","date_gmt":"2025-05-29T17:48:13","guid":{"rendered":"https:\/\/w3buddy.com\/?post_type=cposts&#038;p=3734"},"modified":"2026-09-26T13:12:53","modified_gmt":"2026-09-26T07:42:53","slug":"recover-process-reco","status":"publish","type":"post","link":"https:\/\/w3buddy.com\/blog\/recover-process-reco\/","title":{"rendered":"Recover Process (RECO)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Healing Distributed Transactions \ud83d\udd04<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd01 What Is RECO?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Recoverer Process (RECO)<\/strong> is a background process responsible for <strong>automatically resolving in-doubt transactions<\/strong> in a <strong>distributed database system<\/strong>\u2014a group of databases that collaborate and appear as a single system to applications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2699\ufe0f What Does RECO Do?<\/h3>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table><thead><tr><th>\ud83d\udcbc <strong>Task<\/strong><\/th><th>\ud83d\udd0d <strong>Details<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\ud83d\udd04 <strong>Auto-Resolution<\/strong><\/td><td>RECO resolves <strong>in-doubt distributed transactions<\/strong> caused by network or system failures.<\/td><\/tr><tr><td>\ud83d\udd17 <strong>Reconnects<\/strong><\/td><td>Once the connection between databases is restored, RECO <strong>automatically reconnects<\/strong> and <strong>resolves pending transactions<\/strong>.<\/td><\/tr><tr><td>\ud83d\uddc3\ufe0f <strong>Cleanup<\/strong><\/td><td>After resolution, RECO <strong>removes entries<\/strong> from the <strong>pending transaction table<\/strong> in each involved database.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udf10 Where It Operates<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Works in <strong>distributed database systems<\/strong> (multiple Oracle databases communicating).<\/li>\n\n\n\n<li>Runs as a <strong>thread or OS process<\/strong>, depending on the platform.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\udde9 Why It\u2019s Important<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prevents <strong>transaction inconsistencies<\/strong> across databases.<\/li>\n\n\n\n<li>Automates cleanup\u2014<strong>no manual intervention<\/strong> needed for most distributed transaction failures.<\/li>\n\n\n\n<li>Supports <strong>data integrity<\/strong> across networked systems.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcd8 <em>Tip of the Day:<\/em><br>If you regularly use distributed transactions, monitor the <strong>pending transaction table<\/strong> (<code>DBA_2PC_PENDING<\/code>) to review any unresolved cases that RECO might still be working on.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Healing Distributed Transactions \ud83d\udd04 \ud83d\udd01 What Is RECO? The Recoverer Process (RECO) is a background process responsible for automatically resolving in-doubt transactions in a distributed database system\u2014a group of databases that collaborate and appear as a single system to applications. \u2699\ufe0f What Does RECO Do? \ud83d\udcbc Task \ud83d\udd0d Details \ud83d\udd04 Auto-Resolution RECO resolves in-doubt distributed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowu461DA:productID":"","footnotes":""},"categories":[1225,960],"tags":[],"class_list":["post-3734","post","type-post","status-publish","format-standard","hentry","category-database","category-getting-started-with-oracle-dba"],"_links":{"self":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/posts\/3734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/comments?post=3734"}],"version-history":[{"count":1,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/posts\/3734\/revisions"}],"predecessor-version":[{"id":3735,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/posts\/3734\/revisions\/3735"}],"wp:attachment":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/media?parent=3734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/categories?post=3734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/tags?post=3734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}