@jscraig2006 Thats strange. As you mentioned, rolling a bucket from hot to warm should not change field extraction. Can you keep your props simple, like removing PREAMBLE_REGEX. Below setting should be fine to start with Eg: [mysourcetype]
INDEXED_EXTRACTIONS = csv
HEADER_FIELD_LINE_NUMBER = 1
FIELD_NAMES = FileDate,Field_1,Field_2,Field_3
TIMESTAMP_FIELDS = FileDate
TIME_FORMAT = %Y-%m-%d %H:%M:%S
SHOULD_LINEMERGE = false And validate and confirm the active sourcetype settings. $SPLUNK_HOME/bin/splunk btool props list mysourcetype --debug Then test with sample csv and roll the bucket manually and confirm fields remain correct. Regards, Prewin 🌟If this answer helped you, please consider marking it as the solution or giving a Karma. Thanks!
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