When network links were slow, cloud and distributed database systems could rely on generic kernel abstractions and treat network communication as a black box. With today's fast cloud networks, this approach breaks down: database performance becomes limited by the CPU overhead of the kernel TCP stack. Replacing TCP with user-space UDP can reduce this overhead, but it requires reimplementing essential guarantees, such as reliability and ordering. ... Read more ›
Linus has . "So it's only Sunday morning back home, but it's Sunday afternoon where I am right now, so I'm doing the 7.1 release at the regular time - just not in the regular timezone." Significant changes in 7.1 include the removal of support for some old 486-based architectures, some clone() flags making process management easier, for io_uring, zero-copy-I/O support for the in sched_ext, more , a , and much more. See the LWN merge-window summaries (<a href=" <a href=" for details. Read more ›
Security updates have been issued by AlmaLinux (.NET 9.0), Debian (apache2, chromium, jpeg-xl, librabbitmq, and openssl), Fedora (apptainer, bind9-next, chezmoi, chromium, collectd, composer, dnsdist, gh, python-django5, python-python-multipart, varnish, varnish-modules, vmod-querystring, vmod-uuid, weasyprint, and xorg-x11-server-Xwayland), Mageia (cups, expat, libpng, libssh, memcached, nghttp2, openimageio, packages, proftpd, and radare2), Oracle (.NET 10.0, .NET 8.0, .NET 9.0, and firefox... Read more ›