FrankChen021 commented on a change in pull request #11333:
URL: https://github.com/apache/druid/pull/11333#discussion_r646245057
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File path: docs/development/extensions-core/druid-kerberos.md
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@@ -72,7 +72,7 @@ If required, multiple rules can be be joined by newline
character and specified
### Increasing HTTP Header size for large SPNEGO negotiate header
In Active Directory environment, SPNEGO token in the Authorization header
includes PAC (Privilege Access Certificate) information,
which includes all security groups for the user. In some cases when the user
belongs to many security groups the header to grow beyond what druid can handle
by default.
-In such cases, max request header size that druid can handle can be increased
by setting `druid.server.http.maxRequestHeaderSize` (default 8Kb) and
`druid.router.http.maxRequestBufferSize` (default 8Kb).
Review comment:
According to the code, its default value is `8KiB`
https://github.com/apache/druid/blob/0c5d1c9725303111df69198a232166ddf00672d2/server/src/main/java/org/apache/druid/server/initialization/ServerConfig.java#L122
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