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The latest blog posts to take off on Hacker News. 2,560 posts.

Systems & Performance
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1833

Ubuntu 17.04 Released

Ubuntu 17.04 released today, supporting Kubernetes, Docker, LXD and Snaps. This is the 26th release of Ubuntu, the world’s most widely deployed Linux OS and the leading platform for cloud and IoT operations. “The breadth and pace of open source innovation has made it the center of gravity in technology today, and the…

1843

On mutex performance and WTF::Lock

One of the things I’ve been doing this quarter is removing Gecko’s dependence on NSPR locks . Gecko’s (non-recursive) mutexes and condition variables now use platform-specific constructs, rather than indirecting through NSPR. This change makes things smaller, especially on POSIX platforms, and uses no dynamic memory…

1845

Jepsen: CockroachDB beta-20160829

CockroachDB is a distributed SQL database, loosely patterned after Google Spanner and designed for semi-synchronous networks. It speaks the PostgreSQL wire protocol , supports a reasonable dialect of SQL , and combines replication for durability with transparent scale-out sharding for large tables. Its most…