steveloughran commented on code in PR #1187:
URL: https://github.com/apache/parquet-mr/pull/1187#discussion_r1397727866
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parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileReader.java:
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@@ -1841,8 +1851,12 @@ public void addChunk(ChunkDescriptor descriptor) {
* @throws IOException if there is an error while reading from the stream
*/
public void readAll(SeekableInputStream f, ChunkListBuilder builder)
throws IOException {
+ long seekStart = System.nanoTime();
Review Comment:
s3a and abfs do lazy seek; no IO until the first read/readFully. best to
measure that.
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