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[Java] Reduce buffer size for ASCII string optimization to 63 bytes #3279

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[Java] Reduce buffer size for ASCII string optimization to 63 bytes #3279

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8 changes: 6 additions & 2 deletions lang/java/avro/src/main/java/org/apache/avro/io/BinaryEncoder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,12 @@
*/
public abstract class BinaryEncoder extends Encoder {

// Buffer used for writing ASCII strings
private final byte[] stringBuffer = new byte[128];
/*
* Buffer used for writing ASCII strings. A string is encoded as a long followed
* by that many bytes of character data. A string of length 63 is the upper
* limit for a 1 byte variable-length long value.
*/
private final byte[] stringBuffer = new byte[63];

@Override
public void writeNull() throws IOException {
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