bk-mz commented on PR #12856:
URL: https://github.com/apache/iceberg/pull/12856#issuecomment-2818352166
These changes logs examples from planFiles:
```txt
2025-04-21 12:43:04.411 INFO [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Initializing SparkMicroBatchStream
with params: branch=null, caseSensitive=false, splitSize=134217728,
splitLookback=10, splitOpenFileCost=4194304, fromTimestamp=1745239382655,
maxFilesPerMicroBatch=2147483647, maxRecordsPerMicroBatch=50000000
2025-04-21 12:43:04.412 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - InitialOffsetStore created with
location
s3://com.twilio.mdp.iceberg.tables.mdr.finalized.testcell/checkpoints7/sources/0/offsets/0
2025-04-21 12:43:04.428 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Found existing offset file at
s3://com.twilio.mdp.iceberg.tables.mdr.finalized.testcell/checkpoints7/sources/0/offsets/0,
reading
2025-04-21 12:43:04.444 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Read offset Streaming Offset[-1:
position (-1) scan_all_files (false)] from
s3://com.twilio.mdp.iceberg.tables.mdr.finalized.testcell/checkpoints7/sources/0/offsets/0
2025-04-21 12:43:04.444 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Initial offset set to Streaming
Offset[-1: position (-1) scan_all_files (false)]
2025-04-21 12:43:04.444 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Skip delete snapshots=true, skip
overwrite snapshots=true
2025-04-21 12:43:04.806 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Deserialized offset from JSON
{"version":1,"snapshot_id":1823134505898519413,"position":8,"scan_all_files":false}:
Streaming Offset[1823134505898519413: position (8) scan_all_files (false)]
2025-04-21 12:43:04.806 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Deserialized offset from JSON
{"version":1,"snapshot_id":3821473473156059401,"position":24,"scan_all_files":false}:
Streaming Offset[3821473473156059401: position (24) scan_all_files (false)]
2025-04-21 12:43:04.867 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.aws.glue.GlueCatalog [stream execution thread for [id =
d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Using optimistic locking for Glue Data
Catalog tables.
2025-04-21 12:43:05.152 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Processing snapshot
[id=1823134505898519413, dateTime=2025-04-19T20:53:29.457Z, ageHours=39,
startFileIndex=8, endFileIndex=8] generated 0 file scan tasks
2025-04-21 12:43:05.265 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Processing snapshot
[id=267320482196197876, dateTime=2025-04-19T20:54:28.367Z, ageHours=39,
startFileIndex=0, endFileIndex=8] generated 8 file scan tasks
2025-04-21 12:43:05.266 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Skipping processing for snapshot
id=7905888728843236371 operation=replace
2025-04-21 12:43:05.352 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Processing snapshot
[id=7421363600347898867, dateTime=2025-04-19T20:55:33.095Z, ageHours=39,
startFileIndex=0, endFileIndex=8] generated 8 file scan tasks
2025-04-21 12:43:05.471 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Processing snapshot
[id=1672029328327466770, dateTime=2025-04-19T20:56:31.462Z, ageHours=39,
startFileIndex=0, endFileIndex=9] generated 9 file scan tasks
2025-04-21 12:43:05.561 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Processing snapshot
[id=7190315158754434941, dateTime=2025-04-19T20:57:26.865Z, ageHours=39,
startFileIndex=0, endFileIndex=8] generated 8 file scan tasks
...
2025-04-21 12:43:11.720 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Processing snapshot
[id=3821473473156059401, dateTime=2025-04-19T22:01:46.828Z, ageHours=38,
startFileIndex=0, endFileIndex=24] generated 24 file scan tasks
2025-04-21 12:43:11.721 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - planFiles returned 764 file scan
tasks. total_files=764, total_size_in_bytes=178383916431. Time taken to eval
stats 0 ms
2025-04-21 12:43:11.734 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Split into 1484 combined scan tasks
2025-04-21 12:43:11.736 DEBUG [ip-0-0-0-0.ec2.internal] -
org.apache.iceberg.spark.source.SparkMicroBatchStream [stream execution thread
for [id = d053491a-73d0-4d8b-b364-ecef987788b9, runId =
1a1a6d0c-045b-443e-94e3-7c39977f067b]] - Created 1484 SparkInputPartitions
```
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