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From "Jiangge Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-1922) Negative min latency value
Date Wed, 04 Jan 2017 11:58:58 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15798051#comment-15798051
] 

Jiangge Zhang commented on ZOOKEEPER-1922:
------------------------------------------

reproduced too

{noformat}
$ echo mntr | nc localhost 2181
zk_version      3.4.9-1757313, built on 08/23/2016 06:50 GMT
zk_avg_latency  5
zk_max_latency  30713
zk_min_latency  -991
zk_packets_received     3707345352
zk_packets_sent 3205871135
zk_num_alive_connections        11770
zk_outstanding_requests 0
zk_server_state follower
zk_znode_count  150242
zk_watch_count  3791016
zk_ephemerals_count     115
zk_approximate_data_size        16618989
zk_open_file_descriptor_count   11836
zk_max_file_descriptor_count    655360
{noformat}

> Negative min latency value
> --------------------------
>
>                 Key: ZOOKEEPER-1922
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1922
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.4.6
>            Reporter: J Potter
>            Priority: Minor
>
> We're seeing the output of stat on one node return a negative value for min latency time:
> stat 
> Zookeeper version: 3.4.6-1569965, built on 02/20/2014 09:09 GMT
> Clients:
> ...
> Latency min/avg/max: -477/149/261002
> (The max value seems suspicious, too.)
> Figured I'd report this, as I don't see any mention of it online or in other bug reports.
Maybe negative values shouldn't be recorded?



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