ijuma commented on code in PR #14603:
URL: https://github.com/apache/kafka/pull/14603#discussion_r1371089424
##########
storage/src/main/java/org/apache/kafka/storage/internals/log/CleanShutdownFileHandler.java:
##########
@@ -85,17 +83,16 @@ void write(long brokerEpoch, int version) throws Exception {
}
}
- public long read() {
- long brokerEpoch = -1L;
+ @SuppressWarnings("unchecked")
+ public OptionalLong read() {
try {
String text =
Utils.readFileAsString(cleanShutdownFile.toPath().toString());
- Map<String, String> content = new ObjectMapper().readValue(text,
HashMap.class);
Review Comment:
ObjectMapper creation is expensive, it should be a static final field
typically.
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