Package acl contains functions to enforce access control lists.

Package cache implements a LRU cache.

Package cgzip wraps the C library for gzip.

Package event provides a reflect-based framework for low-frequency global dispatching of events, which are values of any arbitrary type, to a set of listener functions, which are usually registered by plugin packages during init().

Package exit provides an alternative to os.Exit(int).

Package fileutil contains utility functions related to files and paths.

Package flagutil contains flags that parse string lists and string maps.

Package hack gives you some efficient functionality at the cost of breaking some Go rules.

Package history implements a circular buffer with adjacent-item deduplication.

Package ioutil2 provides extra functionality along similar lines to io/ioutil.

Package json2 provides some improvements over the original json.

Package jsonutil contains json-related utility functions.

Package memcache is a client for memcached.

Package mysql is a library to support MySQL binary protocol, both client and server sides.

Package netutil contains network-related utility functions.

Package pools provides functionality to manage and reuse resources like connections.

Package proc allows you to configure servers to be restarted with negligible downtime.

Package ratelimiter implements rate limiting functionality.

Package sqltypes implements interfaces and types that represent SQL values.

Package stats is a wrapper for expvar.

Package streamlog provides a non-blocking message broadcaster.

Package sync2 provides extra functionality along the same lines as sync.

Package tb exposes some handy traceback functionality buried in the runtime.

Package testfiles locates test files within the Vitess directory tree.

Package timer provides various enhanced timer functions.

Package trace contains a helper interface that allows various tracing tools to be plugged in to components using this interface.