{"id":7,"date":"2026-08-12T08:34:42","date_gmt":"2026-08-12T08:34:42","guid":{"rendered":"http:\/\/corpolearn.wp\/software\/\/postgresql-performance-tuning-indexing-query-optimization\/"},"modified":"2026-08-12T08:34:42","modified_gmt":"2026-08-12T08:34:42","slug":"postgresql-performance-tuning-indexing-query-optimization","status":"publish","type":"post","link":"https:\/\/corpolearn.com\/software\/postgresql-performance-tuning-indexing-query-optimization\/","title":{"rendered":"PostgreSQL Performance Tuning: Indexing, Query Optimization &#038; Partitioning"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Database query bottlenecks are the primary cause of high API latency. Fine-tuning PostgreSQL indexes and execution plans yields order-of-magnitude speedups.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Table Partitioning by Range<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>-- Create Partitioned Table for Large Log Data\nCREATE TABLE telemetry_logs (\n    log_id BIGSERIAL,\n    created_at TIMESTAMPTZ NOT NULL,\n    service_name VARCHAR(64),\n    payload JSONB\n) PARTITION BY RANGE (created_at);\n\n-- Create Monthly Partition\nCREATE TABLE telemetry_logs_y2026m08 PARTITION OF telemetry_logs\n    FOR VALUES FROM ('2026-08-01') TO ('2026-09-01');\n\n-- Create Composite Index\nCREATE INDEX idx_telemetry_created_service \nON telemetry_logs_y2026m08 (created_at DESC, service_name);<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Master B-tree, BRIN, GIN indexes, EXPLAIN ANALYZE execution plans, connection pooling with PgBouncer, and table partitioning.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_cl_workflow_state":"","_cl_content_brief":"","_cl_target_topic":"","footnotes":""},"categories":[13],"tags":[],"class_list":["post-7","post","type-post","status-publish","format-standard","hentry","category-database-engineering"],"_links":{"self":[{"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/posts\/7","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/comments?post=7"}],"version-history":[{"count":0,"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/posts\/7\/revisions"}],"wp:attachment":[{"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/media?parent=7"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/categories?post=7"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/corpolearn.com\/software\/wp-json\/wp\/v2\/tags?post=7"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}