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Tejas,
i have an issue with the way you access the teneted user.
when you create a rate limiter for a user:

bin/radosgw-admin ratelimit set --ratelimit-scope user --uid user1 --tenant ten1 --max-read-bytes 100000 --max-write-bytes 100000 --max-read-ops 5 --max-write-ops 5

bin/radosgw-admin ratelimit get --uid ten1/user1 --ratelimit-scope=user

bin/radosgw-admin ratelimit get --uid user1 --tenant ten1 --ratelimit-scope=user

hi Yuval,
Acknowledge that the syntax of the get command is wrong.
I tried the scenario again:

radosgw-admin ratelimit set --ratelimit-scope user --uid user1 --tenant ten1 --max-read-bytes 100 --max-write-bytes 100 --max-read-ops 2 --max-write-ops 2

]# venv/bin/s3cmd put io_info_test_bucket_stats.yaml s3://test1/f1
upload: 'io_info_test_bucket_stats.yaml' -> 's3://test1/f1' [1 of 1]
149 of 149 100% in 0s 5.73 KB/s done
[root@ceph-tj1-ujn2rl-node6 cephuser]# venv/bin/s3cmd put io_info_test_bucket_stats.yaml s3://test1/f12
upload: 'io_info_test_bucket_stats.yaml' -> 's3://test1/f12' [1 of 1]
149 of 149 100% in 0s 9.36 KB/s done
[root@ceph-tj1-ujn2rl-node6 cephuser]# venv/bin/s3cmd put io_info_test_bucket_stats.yaml s3://test1/f13
upload: 'io_info_test_bucket_stats.yaml' -> 's3://test1/f13' [1 of 1]
149 of 149 100% in 0s 7.09 KB/s done
[root@ceph-tj1-ujn2rl-node6 cephuser]# venv/bin/s3cmd put io_info_test_bucket_stats.yaml s3://test1/f14
upload: 'io_info_test_bucket_stats.yaml' -> 's3://test1/f14' [1 of 1]
149 of 149 100% in 0s 7.37 KB/s done
[root@ceph-tj1-ujn2rl-node6 cephuser]# venv/bin/s3cmd put io_info_test_bucket_stats.yaml s3://test1/f15
upload: 'io_info_test_bucket_stats.yaml' -> 's3://test1/f15' [1 of 1]
149 of 149 100% in 0s 7.45 KB/s done

The rate limit of 2 write ops is not getting enforced.

can you please show the output of the "get" command, to verify that the limiter is enabled?

]# radosgw-admin ratelimit get --uid user1 --tenant ten1 --ratelimit-scope user {
"user_ratelimit": {
"max_read_ops": 2,
"max_write_ops": 2,
"max_read_bytes": 100,
"max_write_bytes": 100,
"enabled": false
}
}

radosgw-admin ratelimit enable --uid user1 --tenant ten1 --ratelimit-scope user

]# radosgw-admin ratelimit get --uid user1 --tenant ten1 --ratelimit-scope user {
"user_ratelimit": {
"max_read_ops": 2,
"max_write_ops": 2,
"max_read_bytes": 100,
"max_write_bytes": 100,
"enabled": true
}
}

root@ceph-tj1-ujn2rl-node6 cephuser]# venv/bin/s3cmd put io_info_test_bucket_stats.yaml s3://test1/f15
upload: 'io_info_test_bucket_stats.yaml' -> 's3://test1/f15' [1 of 1]
149 of 149 100% in 0s 3.91 KB/s done
[root@ceph-tj1-ujn2rl-node6 cephuser]# venv/bin/s3cmd put io_info_test_bucket_stats.yaml s3://test1/f16
upload: 'io_info_test_bucket_stats.yaml' -> 's3://test1/f16' [1 of 1]
149 of 149 100% in 0s 23.14 KB/s done
WARNING: Upload failed: /f16 (503 (SlowDown))
WARNING: Retrying on lower speed (throttle=0.01)
WARNING: Waiting 3 sec...
^CSee ya!

It was not enabled , after enabling seems to be working .

this format of get command is not working now :
/]# radosgw-admin ratelimit get --ratelimit-scope user --uid ten1/user1 {
"user_ratelimit": {
"max_read_ops": 5,
"max_write_ops": 5,
"max_read_bytes": 102400,
"max_write_bytes": 10240,
"enabled": true
}
}

however from my automation script executed from a client , this format says the limits are enabled , but not enforced:

2023-03-20 07:40:17,430 INFO: executing cmd: radosgw-admin ratelimit set --ratelimit-scope=user --uid=tenant1$marjoriey.470 --max-read-ops=2 --max-read-bytes=4096 --max-write-bytes=4096 --max-write-ops=2
2023-03-20 07:40:17,672 INFO: cmd excuted
2023-03-20 07:40:17,672 INFO:
2023-03-20 07:40:17,672 INFO: Rate limits set on user tenant1$marjoriey.470
2023-03-20 07:40:17,672 INFO: executing cmd: radosgw-admin ratelimit enable --ratelimit-scope=user --uid=tenant1$marjoriey.470
2023-03-20 07:40:17,907 INFO: cmd excuted
2023-03-20 07:40:17,907 INFO:
2023-03-20 07:40:17,907 INFO: executing cmd: radosgw-admin ratelimit get --ratelimit-scope=user --uid=tenant1$marjoriey.470
2023-03-20 07:40:18,133 INFO: cmd excuted
2023-03-20 07:40:18,133 INFO: {
"user_ratelimit": {
"max_read_ops": 2,
"max_write_ops": 2,
"max_read_bytes": 4096,
"max_write_bytes": 4096,
"enabled": true
}
}

2023-03-20 07:40:18,134 INFO: Rate limits enabled on bucket : {
"user_ratelimit": {
"max_read_ops": 2,
"max_write_ops": 2,
"max_read_bytes": 4096,
"max_write_bytes": 4096,
"enabled": true
}
}

I think that the format is still wrong, if you don't want to use the --tenant parameter then you need to like this

radosgw-admin ratelimit set --ratelimit-scope=user --uid='tenant1$marjoriey.470' --max-read-ops=2 --max-read-bytes=4096 --max-write-bytes=4096 --max-write-ops=2

--uid='TENANT$USERID'