Github user zentol commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5462#discussion_r167610029
  
    --- Diff: docs/ops/config.md ---
    @@ -502,27 +502,7 @@ Previously this key was named `recovery.mode` and the 
default value was `standal
     
     #### ZooKeeper-based HA Mode
     
    -- `high-availability.zookeeper.quorum`: Defines the ZooKeeper quorum URL 
which is used to connect to the ZooKeeper cluster when the 'zookeeper' HA mode 
is selected. Previously this key was named `recovery.zookeeper.quorum`.
    -
    -- `high-availability.zookeeper.path.root`: (Default `/flink`) Defines the 
root dir under which the ZooKeeper HA mode will create namespace directories. 
Previously this ket was named `recovery.zookeeper.path.root`.
    -
    -- `high-availability.zookeeper.path.latch`: (Default `/leaderlatch`) 
Defines the znode of the leader latch which is used to elect the leader. 
Previously this key was named `recovery.zookeeper.path.latch`.
    -
    -- `high-availability.zookeeper.path.leader`: (Default `/leader`) Defines 
the znode of the leader which contains the URL to the leader and the current 
leader session ID. Previously this key was named 
`recovery.zookeeper.path.leader`.
    -
    -- `high-availability.storageDir`: Defines the directory in the state 
backend where the JobManager metadata will be stored (ZooKeeper only keeps 
pointers to it). Required for HA. Previously this key was named 
`recovery.zookeeper.storageDir` and `high-availability.zookeeper.storageDir`.
    -
    -- `high-availability.zookeeper.client.session-timeout`: (Default `60000`) 
Defines the session timeout for the ZooKeeper session in ms. Previously this 
key was named `recovery.zookeeper.client.session-timeout`
    -
    -- `high-availability.zookeeper.client.connection-timeout`: (Default 
`15000`) Defines the connection timeout for ZooKeeper in ms. Previously this 
key was named `recovery.zookeeper.client.connection-timeout`.
    -
    -- `high-availability.zookeeper.client.retry-wait`: (Default `5000`) 
Defines the pause between consecutive retries in ms. Previously this key was 
named `recovery.zookeeper.client.retry-wait`.
    -
    -- `high-availability.zookeeper.client.max-retry-attempts`: (Default `3`) 
Defines the number of connection retries before the client gives up. Previously 
this key was named `recovery.zookeeper.client.max-retry-attempts`.
    -
    -- `high-availability.job.delay`: (Default `akka.ask.timeout`) Defines the 
delay before persisted jobs are recovered in case of a master recovery 
situation. Previously this key was named `recovery.job.delay`.
    --- End diff --
    
    ah, this is a general HA option and not specifically tied to ZK. It should 
be moved into the HA section instead of outright removing it.


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