yui2010 commented on a change in pull request #2427:
URL: https://github.com/apache/hudi/pull/2427#discussion_r555027450
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File path:
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/io/storage/HoodieHFileWriter.java
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@@ -121,17 +121,10 @@ public void writeAvro(String recordKey, IndexedRecord
object) throws IOException
if (hfileConfig.useBloomFilter()) {
hfileConfig.getBloomFilter().add(recordKey);
- if (minRecordKey != null) {
- minRecordKey = minRecordKey.compareTo(recordKey) <= 0 ? minRecordKey :
recordKey;
- } else {
+ if (minRecordKey == null) {
Review comment:
Hi @vinothchandar, Thanks for reviewing. it not computing the min/max.
it only use the first recordKey and the last recordKey as
min/max(HoodieSortedMergeHandle/BaseSparkCommitActionExecutor already compare
the input records in order by recordKey) . It's like hbase store
keyRange(firstKey/lastKey) as
[https://github.com/apache/hbase/blob/rel/1.2.3/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileWriterV2.java#L292](https://github.com/apache/hbase/blob/rel/1.2.3/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileWriterV2.java#L292)
and actually we also can get min/max RecordKey from HFile native throught
`HFileReaderV3#getFirstKey()` and `HFileReaderV3#getLastRowKey()` from
load-on-open section
and i think we can use current implement(put min/max in FileInfo map). maybe
we will add more properties. for example: add recordCount so we can choose
seekto or loadall in `HoodieHFileReader#filterRowKeys`
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