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Compare Maildir and sdbox storage formats in Dovecot to solve inode exhaustion and performance degradation in high-volume mailboxes.
Reduce HDFS storage costs by applying Reed-Solomon erasure coding to cold archival directories while keeping hot workloads on three-way replication.
Compare Snappy, Zstd, and Gzip for Parquet files in Detaspace. Learn constraints, trade-offs, and a validation workflow for selecting the right compression algorithm.
Cut HDFS storage costs with erasure coding: apply a 4+2 policy to a directory, write a 500 MB file, verify 1.5× overhead, and understand trade‑offs like recovery latency and write‑once restrictions.
Partial indexes let you index only the rows you query most, cutting disk usage and speeding up reads. Learn when and how to create them, verify planner usage, and watch for maintenance pitfalls.
Reduce HDFS storage overhead from 3x to 1.5x using Erasure Coding in Hadoop 3.x. Learn how to configure policies and verify EC block types for cold data workloads.
Learn how to implement and manage InfluxDB Retention Policies to automate data expiration, control disk usage, and balance historical data needs against storage costs.
HDFS Erasure Coding cuts storage overhead from 3× to ~1.5× for cold data. Learn how Reed-Solomon policies work, how to enable them per directory, and where EC hurts.
Learn how to diagnose and fix stalled topic compaction in Apache Pulsar, including identifying I/O bottlenecks, misaligned retention policies, and ledger storage issues.
dovecot
hadoop
detaspace