1 ?×lLucene70SegmentInfoú°Ž`¬_è]Ïx k™ˆ.)à
   2 osLinuxjava.vendorOracle Corporationjava.version1.8.0_40java.vm.version    25.40-b25lucene.version7.1.0os.archamd64java.runtime.version1.8.0_40-b26sourceflush
   3 os.version4.4.0-101-generic    timestamp
1511808678054_0.cfe_0.si_0.cfsLucene50StoredFieldsFormat.mode
   4 BEST_SPEEDÀ(“èȆ€1