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+---
+title: RocksDB 2.8 release
+layout: post
+author: icanadi
+category: blog
+redirect_from:
+  - /blog/371/rocksdb-2-8-release/
+---
+
+Check out the new RocksDB 2.8 release on [Github](https://github.com/facebook/rocksdb/releases/tag/2.8.fb).
+
+RocksDB 2.8. is mostly focused on improving performance for in-memory workloads. We are seeing read QPS as high as 5M (we will write a separate blog post on this).
+
+<!--truncate-->
+
+Here is the summary of new features:
+
+  * Added a new table format called PlainTable, which is optimized for RAM storage (ramfs or tmpfs). You can read more details about it on [our wiki](https://github.com/facebook/rocksdb/wiki/PlainTable-Format).
+
+
+  * New prefixed memtable format HashLinkedList, which is optimized for cases where there are only a few keys for each prefix.
+
+
+  * Merge operator supports a new function PartialMergeMulti() that allows users to do partial merges against multiple operands. This function enables big speedups for workloads that use merge operators.
+
+
+  * Added a V2 compaction filter interface. It buffers the kv-pairs sharing the same key prefix, process them in batches, and return the batched results back to DB.
+
+
+  * Geo-spatial support for locations and radial-search.
+
+
+  * Improved read performance using thread local cache for frequently accessed data.
+
+
+  * Stability improvements -- we're now ignoring partially written tailing record to MANIFEST or WAL files.
+
+
+
+We have also introduced small incompatible API changes (mostly for advanced users). You can see full release notes in our [HISTORY.my](https://github.com/facebook/rocksdb/blob/2.8.fb/HISTORY.md) file.