Method retryDelayMillis

sdk/java/src/main/java/com/chain/http/Client.java:455–462

(int retryAttempt)

  private static final int RETRY_MAX_DELAY_MILLIS = 15000;

  private static int retryDelayMillis(int retryAttempt) {
    // Calculate the max delay as base * 2 ^ (retryAttempt - 1).
    int max = RETRY_BASE_DELAY_MILLIS * (1 << (retryAttempt - 1));
    max = Math.min(max, RETRY_MAX_DELAY_MILLIS);

    // To incorporate jitter, use a pseudo random delay between [max/2, max] millis.
    return randomGenerator.nextInt(max / 2) + max / 2 + 1;
  }

  private static final int[] RETRIABLE_STATUS_CODES = {
    408, // Request Timeout