jerryshao commented on code in PR #2873:
URL: https://github.com/apache/gravitino/pull/2873#discussion_r1975050442
##########
core/src/main/java/org/apache/gravitino/authorization/PermissionManager.java:
##########
@@ -67,7 +69,10 @@ User grantRolesToUser(String metalake, List<String> roles,
String user) {
try {
List<RoleEntity> roleEntitiesToGrant = Lists.newArrayList();
for (String role : roles) {
- roleEntitiesToGrant.add(roleManager.getRole(metalake, role));
+ TreeLockUtils.doWithTreeLock(
+ AuthorizationUtils.ofRole(metalake, role),
+ LockType.READ,
+ () -> roleEntitiesToGrant.add(roleManager.getRole(metalake,
role)));
Review Comment:
I guess with the overhead of requesting multiple read lock, the performance
may not be as good as request one parent read lock. I would be inclined to use
the old way, what do you think?
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