33 lines
843 B
Go
33 lines
843 B
Go
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package storage
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const (
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//PageNoSize = 4
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// data page
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DataPageSize = 8192
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DataPageFooterSize int = 12
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DataPagePayloadSize int = DataPageSize - DataPageFooterSize
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dataCRC32Idx = DataPageSize - 4
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timestampsSizeIdx = DataPageSize - 6
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valuesSizeIdx = DataPageSize - 8
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prevPageIdx = DataPageSize - 12
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// index page
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IndexPageSize = 1024
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IndexPageFooterSize = 7
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indexRecordSize = 8
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maxRecordsOnIndexPage = (IndexPageSize - IndexPageFooterSize) / indexRecordSize
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//indexPageIncSize = IndexPageIncSize
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indexCRC32Idx = IndexPageSize - 4
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indexRecordsCountIdx = IndexPageSize - 6
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isZeroLevelIdx = IndexPageSize - 7
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// timestampSize = 4
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// pairSize = timestampSize + PageNoSize
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// indexFooterIdx = indexRecordsQtyIdx
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// dataFooterIdx = timestampsSizeIdx
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)
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