Hi, We are using HBase-2.1.9 (Hadoop-3.1.3) in our setup. In the logs, we see major compaction failed for some of the regions with the following error logs.
Caused by: java.io.IOException: Could not iterate StoreFileScanner[HFileScanner for reader reader=hdfs://TestCluster/hbasedata/data/Test/Test/6472f3839fc9b0a1d4b64e182043bc52/hb/2ec37243628b4a03ae3d937da4c27081, compression=none, cacheConf=blockCache=LruBlockCache{blockCount=332, currentSize=485.88 MB, freeSize=333.32 MB, maxSize=819.20 MB, heapSize=485.88 MB, minSize=778.24 MB, minFactor=0.95, multiSize=389.12 MB, multiFactor=0.5, singleSize=194.56 MB, singleFactor=0.25}, cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, cacheBloomsOnWrite=false, cacheEvictOnClose=false, cacheDataCompressed=false, prefetchOnOpen=false, firstKey=Optional[10259783_1010157000000008129/hb:B/1490097103780/Put/seqid=0], lastKey=Optional[10260211_1009658000000470017/hb:H/1490097295354/Put/seqid=0], avgKeyLen=43, avgValueLen=213357, entries=10134, length=2163318554, cur=10259783_1010157000000008851/hb:B/1490097148981/Put/vlen=16591695/seqid=0] at org.apache.hadoop.hbase.regionserver.StoreFileScanner.next(StoreFileScanner.java:217) at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:120) at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:654) at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:153) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:6593) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:6757) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:6527) at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3158) at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3407) ... 5 more Caused by: java.io.IOException: Invalid onDisksize=-969694035: expected to be at least 33 and at most 2147483647, or -1 at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.checkAndGetSizeAsInt(HFileBlock.java:1673) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readBlockDataInternal(HFileBlock.java:1746) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readBlockData(HFileBlock.java:1610) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1496) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.readNextDataBlock(HFileReaderImpl.java:931) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.isNextBlock(HFileReaderImpl.java:1064) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.positionForNextBlock(HFileReaderImpl.java:1058) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl._next(HFileReaderImpl.java:1076) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.next(HFileReaderImpl.java:1097) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.next(StoreFileScanner.java:208) ... 13 more We analysed a file using the hfile tool. Attaching the output for printblocks and printblockheaders. Any help to fix this would be greatly appreciated. -- Thanks in advance, Meeran