[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-09-11 (世界標準時間)。"],[],[],null,["# Transcoding spillover dataset\n\n| **Preview**\n|\n|\n| This product or feature is subject to the \"Pre-GA Offerings Terms\" in the General Service Terms section\n| of the [Service Specific Terms](/terms/service-terms#1).\n|\n| Pre-GA products and features are available \"as is\" and might have limited support.\n|\n| For more information, see the\n| [launch stage descriptions](/products#product-launch-stages).\n\nStarting with the 5.16.0 release, Mainframe Connector creates a table\nthat logs all the errors that it encountered during the transcoding process\nusing the [`qsam decode`](/mainframe-connector/docs/api-reference#qsam-decode)\nand [`qsam encode`](/mainframe-connector/docs/api-reference#qsam-encode)\ncommands. This table is called the spillover dataset. The spillover dataset\noutput format can be any of the following:\n\n- Optimized Row Columnar (ORC) file\n- Queued Sequential Access Method (QSAM) file\n\nYou can use this information to audit or debug your transcoding process.\n\nSpillover dataset created by `qsam decode`\n------------------------------------------\n\nAs part of the decoding process the `qsam decode` command creates\na spillover dataset with the following schema.\n\nSpillover dataset created by `qsam encode`\n------------------------------------------\n\nAs part of the encoding process the `qsam encode` command creates\na spillover dataset with the following schema. For QSAM files, we recommend\nthat you use a file with variable record length of at least 1024."]]