# Speedb Features

- [Memory Tracking](https://docs.speedb.io/speedb-features/memory-tracking.md)
- [Speedb Tuning Function](https://docs.speedb.io/speedb-features/speedb-tuning-function.md)
- [Table Pinning Policy](https://docs.speedb.io/speedb-features/table-pinning-policy.md)
- [Snapshot Optimization](https://docs.speedb.io/speedb-features/snapshot-optimization.md)
- [On Thread Start Callback](https://docs.speedb.io/speedb-features/on-thread-start-callback.md)
- [Write Flow](https://docs.speedb.io/speedb-features/write-flow.md): This feature is experimental in v2.4.0
- [Global Delayed write](https://docs.speedb.io/speedb-features/global-delayed-write.md): This feature improves write stabilization in multiple databases/CFs environment.
- [Live Configuration Changes](https://docs.speedb.io/speedb-features/live-configuration-changes.md): This document describes the Live Configuration Changes functionality in Speedb introduced in v2.3.0
- [Report Index Size per Column Family](https://docs.speedb.io/speedb-features/report-index-size-per-column-family.md): This document describes the new index size reporting per column family introduced in Speedb 2.3.0.
- [Proactive Flushing](https://docs.speedb.io/speedb-features/proactive-flushing.md): This document describes the proactive flushing mechanism introduced in Speedb v 2.2.0
- [Sorted Hash Memtable](https://docs.speedb.io/speedb-features/sorted-hash-memtable.md): A new memtable type that improves seek and read while writing performance.
- [Paired Bloom Filter](https://docs.speedb.io/speedb-features/paired-bloom-filter.md): This document described how Speedb improved memory consumption while keeping the same false positive rate.


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