jsancio commented on code in PR #18391:
URL: https://github.com/apache/kafka/pull/18391#discussion_r2078020590
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tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java:
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@@ -194,9 +195,16 @@ static List<byte[]> readPayloadFile(String
payloadFilePath, String payloadDelimi
throw new IllegalArgumentException("File does not exist or
empty file provided.");
}
- String[] payloadList =
Files.readString(path).split(payloadDelimiter);
+ List<String> payloadList = new ArrayList<>();
+ try (Scanner payLoadScanner = new Scanner(path,
StandardCharsets.UTF_8)) {
+ //setting the delimiter while parsing the file, avoids loading
entire data in memory before split
+ payLoadScanner.useDelimiter(payloadDelimiter);
Review Comment:
Based on the documentation. It does look like this delimiter and pattern has
the same semantic as the pattern and regular expression used in `String#split`.
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