Package acl contains functions to enforce access control lists.

Package bufio2 implements buffered I/O.

Package cache implements a LRU cache.

Package db defines an alternate (and simplified) db api compared to go's database/sql.

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) that executes deferred functions before exiting.

Package fileutil contains utility functions related to files and paths.

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

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

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

Package jscfg implements a simple API for reading and writing JSON files.

Package memcache is a client for memcached.

Package netutil contains network-related utility functions.

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

Package stats is a wrapper for expvar.

Package streamlog provides a non-blocking message broadcaster.

Package testfiles locates test files within the Vitess directory tree.

Package timer provides timer functionality that can be controlled by the user.