[ https://issues.apache.org/jira/browse/HBASE-29299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eungsop Yoo updated HBASE-29299: -------------------------------- Description: I discovered an issue while testing Erasure Coding. If more DataNodes go down than the number of parity blocks, the Scan naturally fails. However, even after restarting the downed DataNodes, the Scan continues to fail. This issue does not occur every time, but it happens with high probability. The root cause is that the initialReader inside the HStoreFile holds an HDFS metadata cache, which does not get refreshed. Therefore, I modified the logic to close the initialReader and reopen it when an exception occurs. Here is the log captured when the scan fails: {code} org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=8, exceptions: 2025-05-07T08:17:57.123Z, RpcRetryingCaller{globalStartTime=2025-05-07T08:17:57.084Z, pause=100, maxAttempts=8}, java.io.IOException: java.io.IOException: Could not seek StoreFileScanner[HFileScanner for reader reader=hdfs://hbase-alpha25/hbas e/data/default/test1/8a9fd0285a94ed3a8a16f595842e17fa/c/0ca5ca4cd7d14fe993d19e4632b2fb52, compression=none, cacheConf=cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, cacheBloomsOnWrite=false, cacheEvictOnClose=false, c acheDataCompressed=false, prefetchOnOpen=false, firstKey=Optional[user00000000000000000000000000000000256006064453599002/c:field0/1745905948161/Put/seqid=0], lastKey=Optional[user00000000000000000000000000000000511999723045682420/c:field3/1745 905845638/Put/seqid=0], avgKeyLen=73, avgValueLen=30, entries=134592, length=15040759, cur=null] to key org.apache.hadoop.hbase.PrivateCellUtil$FirstOnRowDeleteFamilyCell@1e25b769 at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:232) at org.apache.hadoop.hbase.regionserver.StoreScanner.seekScanners(StoreScanner.java:416) at org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:260) at org.apache.hadoop.hbase.regionserver.HStore.createScanner(HStore.java:1712) at org.apache.hadoop.hbase.regionserver.HStore.getScanner(HStore.java:1703) at org.apache.hadoop.hbase.regionserver.RegionScannerImpl.initializeScanners(RegionScannerImpl.java:166) at org.apache.hadoop.hbase.regionserver.RegionScannerImpl.<init>(RegionScannerImpl.java:146) at org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:3019) at org.apache.hadoop.hbase.regionserver.HRegion.lambda$getScanner$3(HRegion.java:3004) at org.apache.hadoop.hbase.trace.TraceUtil.trace(TraceUtil.java:216) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2990) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2985) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2979) at org.apache.hadoop.hbase.regionserver.RSRpcServices.newRegionScanner(RSRpcServices.java:3203) at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3580) at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:45006) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:415) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124) at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102) at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82) Caused by: java.io.IOException: Encountered an exception when invoking ByteBuffer positioned read when trying to read 0 bytes from position 0 at org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtraDirectly(BlockIOUtils.java:368) at org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtra(BlockIOUtils.java:311) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readAtOffset(HFileBlock.java:1481) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readBlockDataInternal(HFileBlock.java:1719) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readBlockData(HFileBlock.java:1519) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1331) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1252) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.readAndUpdateNewBlock(HFileReaderImpl.java:943) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.seekTo(HFileReaderImpl.java:932) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:311) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:214) ... 19 more Caused by: java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtraDirectly(BlockIOUtils.java:363) ... 29 more Caused by: java.io.IOException: 3 missing blocks, the stripe is: AlignedStripe(Offset=0, length=33, fetchedChunksNum=0, missingChunksNum=3); locatedBlocks is: LocatedBlocks{; fileLength=15040759; underConstruction=false; blocks=[LocatedStri pedBlock{BP-5442367-10.202.27.120-1743751500104:blk_-9223372036854771360_190437; getBlockSize()=15040759; corrupt=false; offset=0; locs=[DatanodeInfoWithStorage[10.202.5.226:1004,DS-7207429b-7335-4e37-9848-4d9b88ab83e0,DISK], DatanodeInfoWithS torage[10.202.4.17:1004,DS-42a094e9-a2df-4317-b7bb-7685c3a4e13e,DISK], DatanodeInfoWithStorage[10.203.21.242:1004,DS-19008e58-49f0-4820-945a-0533a6fb4d0a,DISK], DatanodeInfoWithStorage[10.202.15.79:1004,DS-1816a8ec-7dbd-4889-afc7-063ecb6521ec, DISK], DatanodeInfoWithStorage[10.202.12.73:1004,DS-d5c48efe-cfdd-4ea9-9eb3-59af4afe3824,DISK]]; indices=[0, 1, 2, 3, 4]}]; lastLocatedBlock=LocatedStripedBlock{BP-5442367-10.202.27.120-1743751500104:blk_-9223372036854771360_190437; getBlockS ize()=15040759; corrupt=false; offset=0; locs=[DatanodeInfoWithStorage[10.202.5.226:1004,DS-7207429b-7335-4e37-9848-4d9b88ab83e0,DISK], DatanodeInfoWithStorage[10.202.4.17:1004,DS-42a094e9-a2df-4317-b7bb-7685c3a4e13e,DISK], DatanodeInfoWithSto rage[10.203.21.242:1004,DS-19008e58-49f0-4820-945a-0533a6fb4d0a,DISK], DatanodeInfoWithStorage[10.202.15.79:1004,DS-1816a8ec-7dbd-4889-afc7-063ecb6521ec,DISK], DatanodeInfoWithStorage[10.202.12.73:1004,DS-d5c48efe-cfdd-4ea9-9eb3-59af4afe3824,D ISK]]; indices=[0, 1, 2, 3, 4]}; isLastBlockComplete=true; ecPolicy=ErasureCodingPolicy=[Name=RS-3-2-1024k, Schema=[ECSchema=[Codec=rs, numDataUnits=3, numParityUnits=2]], CellSize=1048576, Id=2]} at org.apache.hadoop.hdfs.StripeReader.checkMissingBlocks(StripeReader.java:180) at org.apache.hadoop.hdfs.StripeReader.readDataForDecoding(StripeReader.java:198) at org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:344) at org.apache.hadoop.hdfs.DFSStripedInputStream.fetchBlockByteRange(DFSStripedInputStream.java:506) at org.apache.hadoop.hdfs.DFSInputStream.pread(DFSInputStream.java:1499) at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:1708) at org.apache.hadoop.fs.FSDataInputStream.read(FSDataInputStream.java:259) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ... 31 more {code} was: I discovered an issue while testing Erasure Coding. If more DataNodes go down than the number of parity stripes, the Scan naturally fails. However, even after restarting the downed DataNodes, the Scan continues to fail. This issue does not occur every time, but it happens with high probability. The root cause is that the initialReader inside the HStoreFile holds an HDFS metadata cache, which does not get refreshed. Therefore, I modified the logic to close the initialReader and reopen it when an exception occurs. Here is the log captured when the scan fails: {code} org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=8, exceptions: 2025-05-07T08:17:57.123Z, RpcRetryingCaller{globalStartTime=2025-05-07T08:17:57.084Z, pause=100, maxAttempts=8}, java.io.IOException: java.io.IOException: Could not seek StoreFileScanner[HFileScanner for reader reader=hdfs://hbase-alpha25/hbas e/data/default/test1/8a9fd0285a94ed3a8a16f595842e17fa/c/0ca5ca4cd7d14fe993d19e4632b2fb52, compression=none, cacheConf=cacheDataOnRead=true, cacheDataOnWrite=false, cacheIndexesOnWrite=false, cacheBloomsOnWrite=false, cacheEvictOnClose=false, c acheDataCompressed=false, prefetchOnOpen=false, firstKey=Optional[user00000000000000000000000000000000256006064453599002/c:field0/1745905948161/Put/seqid=0], lastKey=Optional[user00000000000000000000000000000000511999723045682420/c:field3/1745 905845638/Put/seqid=0], avgKeyLen=73, avgValueLen=30, entries=134592, length=15040759, cur=null] to key org.apache.hadoop.hbase.PrivateCellUtil$FirstOnRowDeleteFamilyCell@1e25b769 at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:232) at org.apache.hadoop.hbase.regionserver.StoreScanner.seekScanners(StoreScanner.java:416) at org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:260) at org.apache.hadoop.hbase.regionserver.HStore.createScanner(HStore.java:1712) at org.apache.hadoop.hbase.regionserver.HStore.getScanner(HStore.java:1703) at org.apache.hadoop.hbase.regionserver.RegionScannerImpl.initializeScanners(RegionScannerImpl.java:166) at org.apache.hadoop.hbase.regionserver.RegionScannerImpl.<init>(RegionScannerImpl.java:146) at org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:3019) at org.apache.hadoop.hbase.regionserver.HRegion.lambda$getScanner$3(HRegion.java:3004) at org.apache.hadoop.hbase.trace.TraceUtil.trace(TraceUtil.java:216) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2990) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2985) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2979) at org.apache.hadoop.hbase.regionserver.RSRpcServices.newRegionScanner(RSRpcServices.java:3203) at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3580) at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:45006) at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:415) at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124) at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102) at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82) Caused by: java.io.IOException: Encountered an exception when invoking ByteBuffer positioned read when trying to read 0 bytes from position 0 at org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtraDirectly(BlockIOUtils.java:368) at org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtra(BlockIOUtils.java:311) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readAtOffset(HFileBlock.java:1481) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readBlockDataInternal(HFileBlock.java:1719) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readBlockData(HFileBlock.java:1519) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1331) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1252) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.readAndUpdateNewBlock(HFileReaderImpl.java:943) at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.seekTo(HFileReaderImpl.java:932) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:311) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:214) ... 19 more Caused by: java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtraDirectly(BlockIOUtils.java:363) ... 29 more Caused by: java.io.IOException: 3 missing blocks, the stripe is: AlignedStripe(Offset=0, length=33, fetchedChunksNum=0, missingChunksNum=3); locatedBlocks is: LocatedBlocks{; fileLength=15040759; underConstruction=false; blocks=[LocatedStri pedBlock{BP-5442367-10.202.27.120-1743751500104:blk_-9223372036854771360_190437; getBlockSize()=15040759; corrupt=false; offset=0; locs=[DatanodeInfoWithStorage[10.202.5.226:1004,DS-7207429b-7335-4e37-9848-4d9b88ab83e0,DISK], DatanodeInfoWithS torage[10.202.4.17:1004,DS-42a094e9-a2df-4317-b7bb-7685c3a4e13e,DISK], DatanodeInfoWithStorage[10.203.21.242:1004,DS-19008e58-49f0-4820-945a-0533a6fb4d0a,DISK], DatanodeInfoWithStorage[10.202.15.79:1004,DS-1816a8ec-7dbd-4889-afc7-063ecb6521ec, DISK], DatanodeInfoWithStorage[10.202.12.73:1004,DS-d5c48efe-cfdd-4ea9-9eb3-59af4afe3824,DISK]]; indices=[0, 1, 2, 3, 4]}]; lastLocatedBlock=LocatedStripedBlock{BP-5442367-10.202.27.120-1743751500104:blk_-9223372036854771360_190437; getBlockS ize()=15040759; corrupt=false; offset=0; locs=[DatanodeInfoWithStorage[10.202.5.226:1004,DS-7207429b-7335-4e37-9848-4d9b88ab83e0,DISK], DatanodeInfoWithStorage[10.202.4.17:1004,DS-42a094e9-a2df-4317-b7bb-7685c3a4e13e,DISK], DatanodeInfoWithSto rage[10.203.21.242:1004,DS-19008e58-49f0-4820-945a-0533a6fb4d0a,DISK], DatanodeInfoWithStorage[10.202.15.79:1004,DS-1816a8ec-7dbd-4889-afc7-063ecb6521ec,DISK], DatanodeInfoWithStorage[10.202.12.73:1004,DS-d5c48efe-cfdd-4ea9-9eb3-59af4afe3824,D ISK]]; indices=[0, 1, 2, 3, 4]}; isLastBlockComplete=true; ecPolicy=ErasureCodingPolicy=[Name=RS-3-2-1024k, Schema=[ECSchema=[Codec=rs, numDataUnits=3, numParityUnits=2]], CellSize=1048576, Id=2]} at org.apache.hadoop.hdfs.StripeReader.checkMissingBlocks(StripeReader.java:180) at org.apache.hadoop.hdfs.StripeReader.readDataForDecoding(StripeReader.java:198) at org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:344) at org.apache.hadoop.hdfs.DFSStripedInputStream.fetchBlockByteRange(DFSStripedInputStream.java:506) at org.apache.hadoop.hdfs.DFSInputStream.pread(DFSInputStream.java:1499) at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:1708) at org.apache.hadoop.fs.FSDataInputStream.read(FSDataInputStream.java:259) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ... 31 more {code} > Reopen initialReader of HStoreFile to refresh metadata when read failed > ----------------------------------------------------------------------- > > Key: HBASE-29299 > URL: https://issues.apache.org/jira/browse/HBASE-29299 > Project: HBase > Issue Type: Bug > Affects Versions: 2.4.18, 2.5.11 > Reporter: Eungsop Yoo > Assignee: Eungsop Yoo > Priority: Major > Labels: pull-request-available > > I discovered an issue while testing Erasure Coding. If more DataNodes go down > than the number of parity blocks, the Scan naturally fails. However, even > after restarting the downed DataNodes, the Scan continues to fail. This issue > does not occur every time, but it happens with high probability. The root > cause is that the initialReader inside the HStoreFile holds an HDFS metadata > cache, which does not get refreshed. Therefore, I modified the logic to close > the initialReader and reopen it when an exception occurs. > Here is the log captured when the scan fails: > {code} > org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after > attempts=8, exceptions: > 2025-05-07T08:17:57.123Z, > RpcRetryingCaller{globalStartTime=2025-05-07T08:17:57.084Z, pause=100, > maxAttempts=8}, java.io.IOException: java.io.IOException: Could not seek > StoreFileScanner[HFileScanner for reader reader=hdfs://hbase-alpha25/hbas > e/data/default/test1/8a9fd0285a94ed3a8a16f595842e17fa/c/0ca5ca4cd7d14fe993d19e4632b2fb52, > compression=none, cacheConf=cacheDataOnRead=true, cacheDataOnWrite=false, > cacheIndexesOnWrite=false, cacheBloomsOnWrite=false, cacheEvictOnClose=false, > c > acheDataCompressed=false, prefetchOnOpen=false, > firstKey=Optional[user00000000000000000000000000000000256006064453599002/c:field0/1745905948161/Put/seqid=0], > > lastKey=Optional[user00000000000000000000000000000000511999723045682420/c:field3/1745 > 905845638/Put/seqid=0], avgKeyLen=73, avgValueLen=30, entries=134592, > length=15040759, cur=null] to key > org.apache.hadoop.hbase.PrivateCellUtil$FirstOnRowDeleteFamilyCell@1e25b769 > at > org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:232) > at > org.apache.hadoop.hbase.regionserver.StoreScanner.seekScanners(StoreScanner.java:416) > at > org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:260) > at > org.apache.hadoop.hbase.regionserver.HStore.createScanner(HStore.java:1712) > at > org.apache.hadoop.hbase.regionserver.HStore.getScanner(HStore.java:1703) > at > org.apache.hadoop.hbase.regionserver.RegionScannerImpl.initializeScanners(RegionScannerImpl.java:166) > at > org.apache.hadoop.hbase.regionserver.RegionScannerImpl.<init>(RegionScannerImpl.java:146) > at > org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:3019) > at > org.apache.hadoop.hbase.regionserver.HRegion.lambda$getScanner$3(HRegion.java:3004) > at org.apache.hadoop.hbase.trace.TraceUtil.trace(TraceUtil.java:216) > at > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2990) > at > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2985) > at > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:2979) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.newRegionScanner(RSRpcServices.java:3203) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3580) > at > org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:45006) > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:415) > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124) > at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102) > at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82) > Caused by: java.io.IOException: Encountered an exception when invoking > ByteBuffer positioned read when trying to read 0 bytes from position 0 > at > org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtraDirectly(BlockIOUtils.java:368) > at > org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtra(BlockIOUtils.java:311) > at > org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readAtOffset(HFileBlock.java:1481) > at > org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readBlockDataInternal(HFileBlock.java:1719) > at > org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.readBlockData(HFileBlock.java:1519) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1331) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1252) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.readAndUpdateNewBlock(HFileReaderImpl.java:943) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.seekTo(HFileReaderImpl.java:932) > at > org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:311) > at > org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:214) > ... 19 more > Caused by: java.lang.reflect.InvocationTargetException > at > java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118) > at java.base/java.lang.reflect.Method.invoke(Method.java:580) > at > org.apache.hadoop.hbase.io.util.BlockIOUtils.preadWithExtraDirectly(BlockIOUtils.java:363) > ... 29 more > Caused by: java.io.IOException: 3 missing blocks, the stripe is: > AlignedStripe(Offset=0, length=33, fetchedChunksNum=0, missingChunksNum=3); > locatedBlocks is: LocatedBlocks{; fileLength=15040759; > underConstruction=false; blocks=[LocatedStri > pedBlock{BP-5442367-10.202.27.120-1743751500104:blk_-9223372036854771360_190437; > getBlockSize()=15040759; corrupt=false; offset=0; > locs=[DatanodeInfoWithStorage[10.202.5.226:1004,DS-7207429b-7335-4e37-9848-4d9b88ab83e0,DISK], > DatanodeInfoWithS > torage[10.202.4.17:1004,DS-42a094e9-a2df-4317-b7bb-7685c3a4e13e,DISK], > DatanodeInfoWithStorage[10.203.21.242:1004,DS-19008e58-49f0-4820-945a-0533a6fb4d0a,DISK], > > DatanodeInfoWithStorage[10.202.15.79:1004,DS-1816a8ec-7dbd-4889-afc7-063ecb6521ec, > DISK], > DatanodeInfoWithStorage[10.202.12.73:1004,DS-d5c48efe-cfdd-4ea9-9eb3-59af4afe3824,DISK]]; > indices=[0, 1, 2, 3, 4]}]; > lastLocatedBlock=LocatedStripedBlock{BP-5442367-10.202.27.120-1743751500104:blk_-9223372036854771360_190437; > getBlockS > ize()=15040759; corrupt=false; offset=0; > locs=[DatanodeInfoWithStorage[10.202.5.226:1004,DS-7207429b-7335-4e37-9848-4d9b88ab83e0,DISK], > > DatanodeInfoWithStorage[10.202.4.17:1004,DS-42a094e9-a2df-4317-b7bb-7685c3a4e13e,DISK], > DatanodeInfoWithSto > rage[10.203.21.242:1004,DS-19008e58-49f0-4820-945a-0533a6fb4d0a,DISK], > DatanodeInfoWithStorage[10.202.15.79:1004,DS-1816a8ec-7dbd-4889-afc7-063ecb6521ec,DISK], > > DatanodeInfoWithStorage[10.202.12.73:1004,DS-d5c48efe-cfdd-4ea9-9eb3-59af4afe3824,D > ISK]]; indices=[0, 1, 2, 3, 4]}; isLastBlockComplete=true; > ecPolicy=ErasureCodingPolicy=[Name=RS-3-2-1024k, Schema=[ECSchema=[Codec=rs, > numDataUnits=3, numParityUnits=2]], CellSize=1048576, Id=2]} > at > org.apache.hadoop.hdfs.StripeReader.checkMissingBlocks(StripeReader.java:180) > at > org.apache.hadoop.hdfs.StripeReader.readDataForDecoding(StripeReader.java:198) > at > org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:344) > at > org.apache.hadoop.hdfs.DFSStripedInputStream.fetchBlockByteRange(DFSStripedInputStream.java:506) > at > org.apache.hadoop.hdfs.DFSInputStream.pread(DFSInputStream.java:1499) > at > org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:1708) > at > org.apache.hadoop.fs.FSDataInputStream.read(FSDataInputStream.java:259) > at > java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) > ... 31 more > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)