Andrew Kyle Purtell created HBASE-26445:
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Summary: Procedure state pretty-printing should use toStringBinary
not base64 encoding
Key: HBASE-26445
URL: https://issues.apache.org/jira/browse/HBASE-26445
Project: HBase
Issue Type: Task
Affects Versions: 2.4.8
Reporter: Andrew Kyle Purtell
Fix For: 2.5.0, 3.0.0-alpha-2, 2.4.9
The shell 'list_procedures' command produces output like:
889 org.apache.hadoop.hbase.master.assignment.SplitTableRegionProcedure
SUCCESS 2021-11-10 22:20:34 UTC 2021-11-10 22:20:35 UTC [{"state"=>[1, 2, 3,
11, 4, 5, 6, 7, 8, 9, 10, 2147483648]}, {"regionId"=>"1636579678894",
"tableName"=>{"namespace"=>"ZGVmYXVsdA==",
"qualifier"=>"SW50ZWdyYXRpb25UZXN0TG9hZENvbW1vbkNyYXds"},
"startKey"=>"dWsuY28uZ3Jhbml0ZXRyYW5zZm9ybWF0aW9ucy53d3d8L2dhbGxlcnkvdA==",
"endKey"=>"dXMuYmFuZHwvYmFuZC81OA==", "offline"=>false, "split"=>false,
"replicaId"=>0}, {"userInfo"=>{"effectiveUser"=>"apurtell"},
"parentRegionInfo"=>{"regionId"=>"1636579678894",
"tableName"=>{"namespace"=>"ZGVmYXVsdA==",
"qualifier"=>"SW50ZWdyYXRpb25UZXN0TG9hZENvbW1vbkNyYXds"},
"startKey"=>"dWsuY28uZ3Jhbml0ZXRyYW5zZm9ybWF0aW9ucy53d3d8L2dhbGxlcnkvdA==",
"endKey"=>"dXMuYmFuZHwvYmFuZC81OA==", "offline"=>false, "split"=>false,
"replicaId"=>0}, "childRegionInfo"=>[{"regionId"=>"1636582834759",
"tableName"=>{"namespace"=>"ZGVmYXVsdA==",
"qualifier"=>"SW50ZWdyYXRpb25UZXN0TG9hZENvbW1vbkNyYXds"},
"startKey"=>"dWsuY28uZ3Jhbml0ZXRyYW5zZm9ybWF0aW9ucy53d3d8L2dhbGxlcnkvdA==",
"endKey"=>"dWsuY28uc2ltb25hbmRzY2h1c3Rlci53d3d8L2Jvb2tzL1RoZS1P",
"offline"=>false, "split"=>false, "replicaId"=>0},
{"regionId"=>"1636582834759", "tableName"=>{"namespace"=>"ZGVmYXVsdA==",
"qualifier"=>"SW50ZWdyYXRpb25UZXN0TG9hZENvbW1vbkNyYXds"},
"startKey"=>"dWsuY28uc2ltb25hbmRzY2h1c3Rlci53d3d8L2Jvb2tzL1RoZS1P",
"endKey"=>"dXMuYmFuZHwvYmFuZC81OA==", "offline"=>false, "split"=>false,
"replicaId"=>0}]}]
The base64 encoding of byte[] values produces poor usability. It would be
better to use Bytes.toStringBinary. Generally, table names etc are printable
characters encoded in byte[]. Base64 encoding them totally obfuscates
information that is important to see at a glance.
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