?lLucene46SegmentInfo4.10.4! timestamp 1752783643509 mergeFactor10 os.version6.1os Windows 7lucene.version4.10.4sourcemergeos.archamd64mergeMaxNumSegments-1 java.version1.7.0_79 java.vendorOracle Corporation _21qr.fdt_21qr_Lucene41_0.doc_21qr_Lucene41_0.tip_21qr_Lucene410_0.dvd _21qr.fnm_21qr.si_21qr_Lucene41_0.pos_21qr_Lucene41_0.tim_21qr_Lucene410_0.dvm _21qr.fdx(ǐ