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Prometheus v2.39.0 Release Notes

Release Date: 2022-10-05 // over 1 year ago
    • [FEATURE] experimental TSDB: Add support for ingesting out-of-order samples. This is configured via out_of_order_time_window field in the config file; check config file docs for more info. #11075
    • 👍 [ENHANCEMENT] API: /-/healthy and /-/ready API calls now also respond to a HEAD request on top of existing GET support. #11160
    • [ENHANCEMENT] PuppetDB SD: Add __meta_puppetdb_query label. #11238
    • [ENHANCEMENT] AWS EC2 SD: Add __meta_ec2_region label. #11326
    • [ENHANCEMENT] AWS Lightsail SD: Add __meta_lightsail_region label. #11326
    • [ENHANCEMENT] Scrape: Optimise relabeling by re-using memory. #11147
    • [ENHANCEMENT] TSDB: Improve WAL replay timings. #10973 #11307 #11319
    • [ENHANCEMENT] TSDB: Optimise memory by not storing unnecessary data in the memory. #11280 #11288 #11296
    • 0️⃣ [ENHANCEMENT] TSDB: Allow overlapping blocks by default. --storage.tsdb.allow-overlapping-blocks now has no effect. #11331
    • 💻 [ENHANCEMENT] UI: Click to copy label-value pair from query result to clipboard. #11229
    • 🛠 [BUGFIX] TSDB: Turn off isolation for Head compaction to fix a memory leak. #11317
    • 🛠 [BUGFIX] TSDB: Fix 'invalid magic number 0' error on Prometheus startup. #11338
    • 🛠 [BUGFIX] PromQL: Properly close file descriptor when logging unfinished queries. #11148
    • 🛠 [BUGFIX] Agent: Fix validation of flag options and prevent WAL from growing more than desired. #9876