@Override
    public int compareTo(WalWriteRequest o) {
        return record.compareTo(o.record);
    }
Whether the record has been put to the {@link LogCache}
When a continuous series of records have been persisted to the WAL and uploaded to S3, they can be trimmed.

@see S3Storage.WALConfirmOffsetCalculator
s3stream/src/main/java/com/automq/stream/s3/WalWriteRequest.java