[jira] [Created] (HBASE-22250) The same constants used in many places should be placed in constant classes

[lixiaobao (JIRA)]

lixiaobao created HBASE-22250:
---------------------------------

             Summary: The same constants used in many places should be placed 
in constant classes
                 Key: HBASE-22250
                 URL: https://issues.apache.org/jira/browse/HBASE-22250
             Project: HBase
          Issue Type: Improvement
          Components: Client, conf, regionserver
    Affects Versions: 2.1.4, 2.1.1, 2.0.0, 1.2.0
            Reporter: lixiaobao
            Assignee: lixiaobao
             Fix For: 3.0.0


I think we should put these configurations in the HConstants class to avoid the 
trouble of modifying a lot of places when we modify them later.
{code:java}
public static final String MASTER_KRB_PRINCIPAL = 
"hbase.master.kerberos.principal";
public static final String MASTER_KRB_KEYTAB_FILE = "hbase.master.keytab.file";
public static final String REGIONSERVER_KRB_PRINCIPAL = 
"hbase.regionserver.kerberos.principal";
public static final String REGIONSERVER_KRB_KEYTAB_FILE = 
"hbase.regionserver.keytab.file";{code}



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