@Override
                                                                 public void run() {
                                                                     try {
                                                                         snapshot();
                                                                     } catch (Throwable t) {
                                                                         LOGGER.error("MemIndexSnapshot snapshot error:" + t.getMessage(), t);
                                                                     }
                                                                 }
@author Robert HG (254963746@qq.com) on 12/16/15.
lts-core/src/main/java/com/github/ltsopensource/kv/index/AbstractIndexSnapshot.java