commit log file:
v1
{"nextBatchWatermarkMs":0}

{
    "batchWatermarkMs": 0,
    "batchTimestampMs": 1542634173589,
    "conf": {
        "spark.sql.shuffle.partitions": "200",
        "spark.sql.streaming.stateStore.providerClass": "org.apache.spark.sql.execution.streaming.state.HDFSBackedStateStoreProvider",
        "spark.sql.streaming.multipleWatermarkPolicy": "min",
        "spark.sql.streaming.flatMapGroupsWithState.stateFormatVersion": "2"
    }
}
{
    "poc-test01": {
        "1": 3666,
        "0": 3664
    }
}

{
    "path": "dbfs:/test02/part-00000-98c5def2-bdf3-4e56-af9f-ff0796344b01-c000.snappy.parquet",
    "size": 59180,
    "isDir": false,
    "modificationTime": 1542214122000,
    "blockReplication": 1,
    "blockSize": 536870912,
    "action": "add"
}
{
    "path": "dbfs:/test02/part-00001-a38dbf8b-240a-48d0-8438-f81f0506a79c-c000.snappy.parquet",
    "size": 59462,
    "isDir": false,
    "modificationTime": 1542214122000,
    "blockReplication": 1,
    "blockSize": 536870912,
    "action": "add"
}