@Override
  public String toShortString() {
    String serviceName = this.connection.service != null
      ? this.connection.service.getDescriptorForType().getName()
      : "null";
    return "callId: " + this.id + " service: " + serviceName + " methodName: "
      + ((this.md != null) ? this.md.getName() : "n/a") + " size: "
      + StringUtils.TraditionalBinaryPrefix.long2String(this.size, "", 1) + " connection: "
      + connection + " deadline: " + deadline;
  }
Call is done. Execution happened and we returned results to client. It is now safe to cleanup.
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/ServerCall.java