private static void usage() {
    System.err.println(
        "Usage java org.apache.sequence.logconversion.ConvertGemfireLogs outputfile [log_file]+");

  }
A utility to convert existing gemfire logs into a graph logger file. This will help me debug
hydra runs more quickly.
geode-core/src/main/java/org/apache/geode/internal/sequencelog/io/GemfireLogConverter.java