Did not realize this has been sitting in draft mode for ages ... hope it is not a duplicate (but I did not receive a response)
Hi folks, I have a general question on these settings. I have seen many default settings, even for HBase, that we change during install, or should change during install, or at least recommend customers to change. I have always wondered what the negative implications of changing those defaults is? Are we harming ourselves or other workloads running on the system in the process in some way for certain workloads? Like this one. Why would 0 not be a default if there was no negative implication of it -- seems like it would be the best option to cover all cases if it did not have a negative impact. I had a similar question around timeouts, both HBase and related Zookeeper timeouts that were being discussed recently. Maybe some of these settings are just to prevent from an application going nuts and creating a lot of processes or running for a long long time unabated. But that is a legitimate concern and wouldn't the defaults be different if that weren't a concern? So are we compromising that and should customers be made aware of those negative implications at least? Or do we assume that they know the defaults we are changing during install, or are recommending, and what their negative implications are. Rohit -----Original Message----- From: Amanda Moran (JIRA) [mailto:[email protected]] Sent: Thursday, August 13, 2015 2:40 PM To: [email protected] Subject: [jira] [Resolved] (TRAFODION-1211) LP Bug: 1449702 - maxClientCnxns in HDP [ https://issues.apache.org/jira/browse/TRAFODION-1211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Amanda Moran resolved TRAFODION-1211. ------------------------------------- Resolution: Fixed Committed months ago. > LP Bug: 1449702 - maxClientCnxns in HDP > --------------------------------------- > > Key: TRAFODION-1211 > URL: https://issues.apache.org/jira/browse/TRAFODION-1211 > Project: Apache Trafodion > Issue Type: Bug > Components: installer > Reporter: Amanda Moran > Assignee: Amanda Moran > Priority: Minor > Fix For: 2.0-incubating > > > Because we may have lots of processes that communicate with zookeeper, the > default value for maxClientCnxns, 60 may not be enough. > The installer should change this zookeeper value to 0 to disable max > number of client connections. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
