macduan

We may not need to support secured hdfs in Uniffle, the DFSClient would create ugi and spawn a renew thread automatically when the shuffler server gets a FileSystem. Normally you...

Access to secured clusters and isolation of user shuffle data are orthogonal, you can still do the isolation in a non-securere cluster (using the proxy user way in your pr)....

>It could use the proxy user to make the data written to unsecured dfs cluster, to make data isolation? Please let me know whether i am right. Yes, you're right,...

Hi @mbasmanova I'm claiming any_match (lambda function). I am working on all_match (lambda function) https://github.com/facebookincubator/velox/pull/3356, and will continue to work on any_match #4327 once #3356 is merged.

@xiaoxmeng Hi Xuan, I've made a small refactor based on your newly simplified `RowNumber` spill implementation. Could you please help to take another look? Thanks.

@bikramSingh91 Hi Bikram, any further comments? Thanks.

@mbasmanova Hi Masha, all the prerequisite PRs have been merged, could you please help take another look? Thanks.

@pedroerp I used to add a dictionary-encoded vector with a greater size than its base vector in [ArrayContainsTest.dictionaryEncodingElements](https://github.com/facebookincubator/velox/blob/880dfb07c103712c06ceb85aff419f19c2c9b2bc/velox/functions/prestosql/tests/ArrayContainsTest.cpp#L313C34-L313C34). This requirement should be similar to it by applying the following change....