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https://issues.apache.org/jira/browse/BOOKKEEPER-629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688847#comment-13688847
]
Rakesh R commented on BOOKKEEPER-629:
-------------------------------------
Hi [~hustlmsp] [[email protected]], will introduce the following config
item. Since Bookie#getBookieAddress() is using reverseDNS on the ip, I think
just changing the StringUtils#addrToString will work. Whats your opinion?
{code}
# Whether the bookie should use its hostname to register with the
# co-ordination service(eg: zookeeper service).
# When false, bookie will use its ipaddress for the registration.
# Default value is false.
#useHostName=false
{code}
AbstractConfiguration.java
{code}
/**
* Get whether bookie is using hostname for registration. The default is
* false.
*
* @return true, if bookie is registering with its hostname. Otherwise
* bookie is using its ipaddress
*/
public boolean getUseHostName() {
return getBoolean(USE_HOST_NAME, false);
}
/**
* Configure the bookie to use its hostname to register with the
* co-ordination service(eg: zookeeper)
*
* @see #getUseHostName
* @param useHostName
* whether to use hostname for registration
*/
public void setUseHostName(boolean useHostName) {
setProperty(USE_HOST_NAME, useHostName);
}
{code}
StringUtils.java
{code}
public static String addrToString(InetSocketAddress addr,
AbstractConfiguration conf) {
if (conf.getUseHostName()) {
return addr.getAddress().getCanonicalHostName() + ":"
+ addr.getPort();
} else {
return addr.getAddress().getHostAddress() + ":" + addr.getPort();
}
}
{code}
> Support hostname based ledger metadata to help users to change IP with
> exitsting installation
> ---------------------------------------------------------------------------------------------
>
> Key: BOOKKEEPER-629
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-629
> Project: Bookkeeper
> Issue Type: Improvement
> Components: bookkeeper-client, bookkeeper-server
> Affects Versions: 4.2.1, 4.3.0
> Reporter: Vinay
>
> Register the bookie with *hostname:port* and also store the bookie addresses
> as *hostname:port* in ledger metadata files instead of *ip:port*
> This will help users to change the machine IP if they want without loosing
> their data.
> Supporting hostname based installation/functionality is one of the important
> requirement of users.
> Any thoughts?
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