Chia-Ping Tsai created KAFKA-21156:
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Summary: Avoid unnecessary char[] copy in
ProcessorRecordContext#residentMemorySizeEstimate
Key: KAFKA-21156
URL: https://issues.apache.org/jira/browse/KAFKA-21156
Project: Kafka
Issue Type: Improvement
Reporter: Chia-Ping Tsai
Assignee: Chia-Ping Tsai
{code:java}
public long residentMemorySizeEstimate() {
long size = 0;
size += Long.BYTES; // value.context.timestamp
size += Long.BYTES; // value.context.offset
if (topic != null) {
size += topic.toCharArray().length;
}
size += Integer.BYTES; // partition
for (final Header header : headers) {
size += header.key().toCharArray().length;
final byte[] value = header.value();
if (value != null) {
size += value.length;
}
}
return size;
} {code}
toCharArray().length -> topic.length()
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