xzj7019 commented on code in PR #42921:
URL: https://github.com/apache/doris/pull/42921#discussion_r1823696129
##########
fe/fe-core/src/main/java/org/apache/doris/datasource/hive/HMSExternalTable.java:
##########
@@ -863,14 +865,20 @@ private long getRowCountFromFileList() {
estimatedRowSize += column.getDataType().getSlotSize();
}
if (estimatedRowSize == 0) {
+ LOG.warn("Table {} estimated size is 0, return 0.", name);
return 0;
}
int totalPartitionSize = partitionValues == null ? 1 :
partitionValues.getIdToPartitionItem().size();
if (samplePartitionSize != 0 && samplePartitionSize <
totalPartitionSize) {
+ LOG.info("Table {} sampled {} of {} partitions, sampled size is
{}",
+ name, samplePartitionSize, totalPartitionSize, totalSize);
totalSize = totalSize * totalPartitionSize / samplePartitionSize;
}
- return totalSize / estimatedRowSize;
+ long rows = totalSize / estimatedRowSize;
+ LOG.info("Table {} rows {}, total size is {}, estimatedRowSize is {}",
Review Comment:
better only to print the info under unhealthy cases, such as "size==0"
cases, and avoid printing all.
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