2.39.0 / 2022-10-05

[codesome]

• [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. Add out-of-order sample support to the TSDB #11075
• [ENHANCEMENT] API: /-/healthy and /-/ready API calls now also respond to a HEAD request on top of existing GET support. /-/{healthy,ready}/ respond to HEAD #11160
• [ENHANCEMENT] PuppetDB SD: Add __meta_puppetdb_query label. PuppetDB SD: Add __meta_puppetdb_query label #11238
• [ENHANCEMENT] AWS EC2 SD: Add __meta_ec2_region label. Add __meta_ec2_region and __meta_lightsail_region SD meta labels #11326
• [ENHANCEMENT] AWS Lightsail SD: Add __meta_lightsail_region label. Add __meta_ec2_region and __meta_lightsail_region SD meta labels #11326
• [ENHANCEMENT] Scrape: Optimise relabeling by re-using memory. Optimise relabeling by re-using memory #11147
• [ENHANCEMENT] TSDB: Improve WAL replay timings. Replay WAL concurrently without blocking #10973 WAL loading: check sample time is valid earlier #11307 WAL loading: don't send empty buffers over chan #11319
• [ENHANCEMENT] TSDB: Optimise memory by not storing unnecessary data in the memory. tsdb: remove chunk pool from memSeries #11280 tsdb: remove chunkRange and oooCapMax from memSeries #11288 tsdb: stop saving a copy of last 4 samples in memSeries #11296
• [ENHANCEMENT] TSDB: Allow overlapping blocks by default. --storage.tsdb.allow-overlapping-blocks now has no effect. Allow overlapping blocks by default #11331
• [ENHANCEMENT] UI: Click to copy label-value pair from query result to clipboard. Allow copying label-value pair to buffer on click #11229
• [BUGFIX] TSDB: Turn off isolation for Head compaction to fix a memory leak. tsdb: turn off transaction isolation for head compaction #11317
• [BUGFIX] TSDB: Fix 'invalid magic number 0' error on Prometheus startup. Fix 'invalid magic number 0' bug #11338
• [BUGFIX] PromQL: Properly close file descriptor when logging unfinished queries. add file descriptor close safely #11148
• [BUGFIX] Agent: Fix validation of flag options and prevent WAL from growing more than desired. tsdb/agent: fix validation of default options #9876

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This discussion was created from the release 2.39.0 / 2022-10-05.