Memcached 1.6.18 is now released, this versionMainly fixes and improvements to proxy mode. And the Meta protocol has some tweaks: extra spaces are returned in rare cases.

The specific updates include:

Fixes

• core: do not stop threads on SIGINT/SIGTERM
• core: remove printf from signal handler
• proxy: now relative to the log time of the resp lifetime
• proxy: fix AWIT crash during SIGHUP reload
• proxy: fix lifecycle of backend connections
• proxy: IO thread performance improvements
• proxy: addmcp.AWAIT_BACKGROUND
• proxy: fix lua registry corruption on block errors
• proxy: addproxy_await_activestat
• proxy: fix partial response read handling
• proxy: add more backend failure messages
• proxy: fixmcp.log_reqCrash on nil res
• core: fix tagged listeners with len < 8
• proxy: add debug symbols to lua build
• Remove libevent license from usage
• Fixed issues building with clang-15
• meta: deletemeta_response_oldboot options
• meta: allow mg without flags + reflect O/k on EN
• meta: extra spaces for meta arithmetic commands
• meta: Remove redundant spaces from meta responses
• proxy: fix backend connection initialization error
• Fix log timestamps after 2038
• Fix clang wrong function prototype
• proxy: add mcp.await FASTGOOD flag

New Features

related proxy For API updates, see Proxy wiki page.

More details can be found at:https://github.com/memcached/memcached/wiki/ReleaseNotes1618