Thomas Tauber-Marshall created IMPALA-8584:
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Summary: Avoid hitting LDAP on every http request
Key: IMPALA-8584
URL: https://issues.apache.org/jira/browse/IMPALA-8584
Project: IMPALA
Issue Type: Improvement
Components: Backend
Affects Versions: Impala 3.3.0
Reporter: Thomas Tauber-Marshall
When IMPALA-8538 goes in, we'll have support for LDAP authentication over http.
The initial design will pass the credentials to LDAP for authentication on
every rpc. This has the potential to create a significant load on the LDAP
server.
There are a few ways we could improve this:
- Add an Impala ttl cache for ldap credentials
- Add support for authentication cookies
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