Hajime Osako created RANGER-2088:
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Summary: If not deltasync (Incremental Sync) enabled, getUsers is
called too many times
Key: RANGER-2088
URL: https://issues.apache.org/jira/browse/RANGER-2088
Project: Ranger
Issue Type: Bug
Components: usersync
Affects Versions: 0.7.0
Reporter: Hajime Osako
*SYMPTOM*
With LDAP server which has hundreds of users and groups, Ranger Usersync never
finishes the initial sync or takes extremely long time, when Group Search First
& Enable User Search both are set to true.
The usersync.log shows similar to below repeatedly.
{noformat}
19 Apr 2018 17:15:19 INFO LdapUserGroupBuilder [UnixUserSyncThread] - Updating
username for cn=xxxxx...
{noformat}
*WORKAROUND:*
If deltasync (Incremental Sync) is enabled, do not see this symptom, because
LdapUserGroupBuilder calls getUsers() in the for loop, but
LdapDeltaUserGroupBuilder doesn't in updateSink().
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