Doubts about Ali Yun oss's temporary Authorization of sts

I have generated temporary credentials according to sdk

stdClass Object
(
    [RequestId] => 
    [AssumedRoleUser] => stdClass Object
        (
            [AssumedRoleId] => 
            [Arn] => 
        )

    [Credentials] => stdClass Object
        (
            [AccessKeySecret] => 
            [AccessKeyId] => 
            [Expiration] => 2018-10-01T07:44:30Z
            [SecurityToken] => 
        )

)

do you want to upload the generated AccessKeyId and AccessKeySecret now?

What is the use of the other information returned by

?

Jul.28,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b2c32e-2bb00.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2c32e-2bb00.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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