Package aememcache handles Put, Get etc to Datastore and provides caching by AppEngine's Memcache.

Package chaosrpc generates chaos very efficiently! This package will randomly error all RPCs with a probability of 20%.

Package dslog catches the data flowing in the RPC and outputs it to the log.

Package fishbone automatically rewrites the behavior based on KeysOnly + Get by Key when Run or GetAll Query, contributing to reducing the amount of charge.

Package localcache handles Put, Get etc to Datastore and provides caching by machine local memory.

Package noop does "no-operation".

Package rediscache handles Put, Get etc to Datastore and provides caching by Redis.

Package rpcretry automatically retries when some RPCs end in error.

Package storagecache provides a mechanism for using various storage as datastore's cache.