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Significantly improve LongEncodingStrategy.AUTO build performance (#4215) 

* Significantly improve LongEncodingStrategy.AUTO build performance

* use numInserted instead of tempIn.available

* fix bug
This commit is contained in:
kaijianding 2017-04-27 20:11:07 +08:00 committed by Roman Leventov
parent 13143f9376
commit c47cfed0ec
1 changed files with 3 additions and 1 deletions
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4
processing/src/main/java/io/druid/segment/data/IntermediateLongSupplierSerializer.java
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@ -131,8 +131,10 @@ public class IntermediateLongSupplierSerializer implements LongSupplierSerialize
try (DataInputStream tempIn = new DataInputStream(new BufferedInputStream(ioPeon.makeInputStream(tempFile)))) { try (DataInputStream tempIn = new DataInputStream(new BufferedInputStream(ioPeon.makeInputStream(tempFile)))) {
delegate.open(); delegate.open();
while (tempIn.available() > 0) { int available = numInserted;
while (available > 0) {
delegate.add(tempIn.readLong()); delegate.add(tempIn.readLong());
available--;
} }
} }
} }