https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Sat, 16 May 2026 00:00:00 GMT https://www.youngju.dev/blog/culture/2026-05-16-time-series-databases-2026-influxdb-3-timescaledb-questdb-clickhouse-prometheus-victoriametrics-grafana-mimir-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-time-series-databases-2026-influxdb-3-timescaledb-questdb-clickhouse-prometheus-victoriametrics-grafana-mimir-deep-dive.en A full-stack 2026 dissection of time-series databases. InfluxDB 3.0 Rust + Apache Arrow + DataFusion + Parquet rewrite, TimescaleDB 2.18 hypertables, QuestDB 8.x SIMD ingest, ClickHouse 25.x MergeTree, Prometheus 3.0 and VictoriaMetrics 1.110+ MetricsQL, Grafana Mimir · Cortex · Thanos multi-cluster patterns, TDengine · GreptimeDB · CrateDB, Druid · Pinot · StarRocks OLAP adjacencies, OpenTelemetry metrics, Gorilla XOR · delta-of-delta · ZSTD compression, the cardinality explosion problem, NHN · Kakao · Coupang · NTT · Rakuten · Mercari Korea/Japan case studies. Decision matrix included. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) time-series-databaseinfluxdbtimescaledbquestdbclickhouseprometheusvictoriametricsgrafana-mimirmetricsobservabilityenglish https://www.youngju.dev/blog/culture/2026-05-16-time-series-databases-2026-influxdb-3-timescaledb-questdb-clickhouse-prometheus-victoriametrics-grafana-mimir-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-time-series-databases-2026-influxdb-3-timescaledb-questdb-clickhouse-prometheus-victoriametrics-grafana-mimir-deep-dive.ja 2026年の時系列データベース (TSDB) フルスタックを解剖。InfluxDB 3.0 の Rust + Apache Arrow + DataFusion + Parquet リライト、TimescaleDB 2.18 ハイパーテーブル、QuestDB 8.x SIMD インジェスト、ClickHouse 25.x MergeTree、Prometheus 3.0 と VictoriaMetrics 1.110+ MetricsQL、Grafana Mimir · Cortex · Thanos マルチクラスタ、TDengine · GreptimeDB · CrateDB、Druid · Pinot · StarRocks OLAP 隣接、OpenTelemetry メトリクス、Gorilla XOR · delta-of-delta · ZSTD 圧縮、カーディナリティ爆発問題、NHN · Kakao · Coupang · NTT · 楽天 · CyberAgent · メルカリ 韓日事例まで。意思決定マトリクス込み。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) time-series-databaseinfluxdbtimescaledbquestdbclickhouseprometheusvictoriametricsgrafana-mimirmetricsobservability日本語 https://www.youngju.dev/blog/culture/2026-05-16-time-series-databases-2026-influxdb-3-timescaledb-questdb-clickhouse-prometheus-victoriametrics-grafana-mimir-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-time-series-databases-2026-influxdb-3-timescaledb-questdb-clickhouse-prometheus-victoriametrics-grafana-mimir-deep-dive 2026년 시계열 데이터베이스(TSDB) 풀스택 해부. InfluxDB 3.0의 Rust + Apache Arrow + DataFusion + Parquet 리라이트, TimescaleDB 2.18 hypertables, QuestDB 8.x SIMD 인제스트, ClickHouse 25.x MergeTree, Prometheus 3.0과 VictoriaMetrics 1.110+ MetricsQL, Grafana Mimir·Cortex·Thanos 다중 클러스터 패턴, TDengine·GreptimeDB·CrateDB, Druid·Pinot·StarRocks OLAP 인접, OpenTelemetry 메트릭, Gorilla XOR · delta-of-delta · ZSTD 압축, cardinality 폭발 문제, NHN·Kakao·Coupang·NTT·Rakuten·Mercari 한일 사례까지. 의사결정 매트릭스 포함. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) time-series-databaseinfluxdbtimescaledbquestdbclickhouseprometheusvictoriametricsgrafana-mimirmetricsobservability