lock when create new parser

map is not goroutine safe in golang
enable journal
refactor
log content more clear
export all parsers
USR2 signal report all workers and parsers
fix printf fmt err
how parsers work
parser can handle alarm by itself
add dbName attribute for db parser
discard getCheckpoint param

because we already know table name beforehead
discard delRecordsBefore param
refactor interfaces
rename func