mysql servant
mysql backend skeleton
rename to be more neat
sessions state
standard err log format
still err log
kvdb skeleton
rename config param
limit max outstanding sessions

can't overflood by too many client sessions
a simple leveldb server with sharding capability
forgot to open servlet
never panic
unit/bench test
hidde servlet, only Server exported
err report
sharding strategy
public api
specify shard base
locking for the same servlet
kvdb config