FrankChen021 commented on a change in pull request #12302:
URL: https://github.com/apache/druid/pull/12302#discussion_r819198659
##########
File path: core/src/main/java/org/apache/druid/data/input/TextReader.java
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@@ -55,7 +56,8 @@ public InputRowSchema getInputRowSchema()
throws IOException
{
final LineIterator delegate = new LineIterator(
- new InputStreamReader(source.open(), StringUtils.UTF8_STRING)
+ // create a small buffer, otherwise LineIterator creates a default 8KB
buffer
+ new BufferedReader(new InputStreamReader(source.open(),
StringUtils.UTF8_STRING), 256)
Review comment:
What is the rational that 256 is used for the buffer size?
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