[jira] [Created] (ZOOKEEPER-3232) make the log of notification about LE more readable

["maoling (JIRA)" <ji...@apache.org>]

maoling created ZOOKEEPER-3232:
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             Summary: make the log of notification about LE more readable
                 Key: ZOOKEEPER-3232
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3232
             Project: ZooKeeper
          Issue Type: Improvement
          Components: leaderElection
            Reporter: maoling
            Assignee: maoling


the log of notification about LE is very important to help us to see the process of LE:e.g.
{code:java}
2019-01-01 16:29:27,494 [myid:2] - INFO [WorkerReceiver[myid=2]:FastLeaderElection@595] - Notification: 1 (message format version), 3 (n.leader), 0x60b3dc215 (n.zxid), 0x3 (n.round), FOLLOWING (n.state), 1 (n.sid), 0x7 (n.peerEpoch) LOOKING (my state){code}
the current log have some problems:
1:don't use the placeholder(other:+),don't in the style of k:v（antiman）
2.the properties in the logs are very messed(no group by,no order), not easy to read.
3.the value about version is HEX which don't have the 0x prefix.



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