How Can The Checkpoints In The Extract Checkpoint File Be Changed? (文档 ID 964684.1)
1. Recovery Checkpoint: determines where the Extract is will read if it is bounced
2. Current Checkpoint: shows where the Extract is currently reading or was reading before it was stopped or abended
3. Output Checkpoint: shows where the Extract current writing position is in its trail file
本文介绍了Extract检查点文件中的三个关键概念:RecoveryCheckpoint、CurrentCheckpoint和OutputCheckpoint。RecoveryCheckpoint确定了Extract在重启时的读取位置;CurrentCheckpoint显示了Extract停止或中止前的读取位置;OutputCheckpoint则指示了Extract在其跟踪文件中的当前写入位置。
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