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Storage\n(inspired by\nPrometheus TSDB)","originalText":"Block-Based Storage\n(inspired by\nPrometheus 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2026-04-03\n10:00-12:00\nchunks/ ← compressed\ntime-series data\n000001 ← chunk file\n(multiple series)\n000002\nindex ← series_id →\nchunk offset\nmeta.json ← block\nmetadata (time\nrange, stats)\nblock_2026040312/\n← 2026-04-03\n12:00-14:00\nchunks/\nindex\nmeta.json\nwal/ ← write-ahead\nlog (in-memory block)\n00000001\n00000002","originalText":"/data/\nblock_2026040310/\n← 2026-04-03\n10:00-12:00\nchunks/ ← compressed\ntime-series data\n000001 ← chunk file\n(multiple series)\n000002\nindex ← series_id →\nchunk offset\nmeta.json ← block\nmetadata (time\nrange, stats)\nblock_2026040312/\n← 2026-04-03\n12:00-14:00\nchunks/\nindex\nmeta.json\nwal/ ← write-ahead\nlog (in-memory 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