Add support for inserting entries with TTL in write bench tool (#1425)
Add support for inserting entries with TTL in write bench tool (#1425)

This PR adds an option --entry-ttl to set the TTL duration for the entries. This options takes an uint32 as ttlDuration in seconds. If this value is 0, then entries are added without TTL.
dgraph-io/badger,dgraph-io/badger