cmccabe commented on a change in pull request #10334: URL: https://github.com/apache/kafka/pull/10334#discussion_r597064603
########## File path: metadata/src/main/java/org/apache/kafka/timeline/BaseHashTable.java ########## @@ -56,12 +61,27 @@ this.elements = new Object[expectedSizeToCapacity(expectedSize)]; } + /** + * Calculate the capacity we should provision, given the expected size. + * + * Our capacity must always be a power of 2, and never less than 2. + */ static int expectedSizeToCapacity(int expectedSize) { - if (expectedSize <= 1) { - return 2; + if (expectedSize >= MAX_CAPACITY / 2) { + return MAX_CAPACITY; + } + return Math.max(MIN_CAPACITY, roundUpToPowerOfTwo(expectedSize * 2)); + } + + private static int roundUpToPowerOfTwo(int i) { + if (i <= 0) { + return 0; + } else if (i > MAX_SIGNED_POWER_OF_TWO) { Review comment: Good catch. Yes, this should be fixed now in the latest logic. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org