Still a noob. Got namenode and datanode running as docker images on my VM. I'm looking for the simplest example of writing something then reading something.
[root@abbey-road conf]# $CRAIL_HOME/bin/crail iobench -t write -f /filename -s 1024 -k 1 20/02/07 14:10:22 INFO crail: creating singleton crail file system 20/02/07 14:10:23 INFO crail: crail.version 3101 20/02/07 14:10:23 INFO crail: crail.directorydepth 16 20/02/07 14:10:23 INFO crail: crail.tokenexpiration 10 20/02/07 14:10:23 INFO crail: crail.blocksize 1048576 20/02/07 14:10:23 INFO crail: crail.cachelimit 1073741824 20/02/07 14:10:23 INFO crail: crail.cachepath /dev/hugepages/cache 20/02/07 14:10:23 INFO crail: crail.user crail 20/02/07 14:10:23 INFO crail: crail.shadowreplication 1 20/02/07 14:10:23 INFO crail: crail.debug false 20/02/07 14:10:23 INFO crail: crail.statistics true 20/02/07 14:10:23 INFO crail: crail.rpctimeout 1000 20/02/07 14:10:23 INFO crail: crail.datatimeout 1000 20/02/07 14:10:23 INFO crail: crail.buffersize 1048576 20/02/07 14:10:23 INFO crail: crail.slicesize 524288 20/02/07 14:10:23 INFO crail: crail.singleton true 20/02/07 14:10:23 INFO crail: crail.regionsize 1073741824 20/02/07 14:10:23 INFO crail: crail.directoryrecord 512 20/02/07 14:10:23 INFO crail: crail.directoryrandomize true 20/02/07 14:10:23 INFO crail: crail.cacheimpl org.apache.crail.memory.MappedBufferCache 20/02/07 14:10:23 INFO crail: crail.locationmap 20/02/07 14:10:23 INFO crail: crail.namenode.address crail://abbey-road:9060 20/02/07 14:10:23 INFO crail: crail.namenode.blockselection roundrobin 20/02/07 14:10:23 INFO crail: crail.namenode.fileblocks 16 20/02/07 14:10:23 INFO crail: crail.namenode.rpctype org.apache.crail.namenode.rpc.tcp.TcpNameNode 20/02/07 14:10:23 INFO crail: crail.namenode.log 20/02/07 14:10:23 INFO crail: crail.storage.types org.apache.crail.storage.tcp.TcpStorageTier 20/02/07 14:10:23 INFO crail: crail.storage.classes 1 20/02/07 14:10:23 INFO crail: crail.storage.rootclass 0 20/02/07 14:10:23 INFO crail: crail.storage.keepalive 2 20/02/07 14:10:23 INFO crail: buffer cache, allocationCount 1, bufferCount 1024 20/02/07 14:10:23 INFO narpc: new NaRPC client group v1.5.0, queueDepth 16, messageSize 2097152, nodealy false 20/02/07 14:10:23 INFO crail: crail.storage.tcp.interface eth0 20/02/07 14:10:23 INFO crail: crail.storage.tcp.port 50020 20/02/07 14:10:23 INFO crail: crail.storage.tcp.storagelimit 1073741824 20/02/07 14:10:23 INFO crail: crail.storage.tcp.allocationsize 1073741824 20/02/07 14:10:23 INFO crail: crail.storage.tcp.datapath /dev/hugepages/data 20/02/07 14:10:23 INFO crail: crail.storage.tcp.queuedepth 16 20/02/07 14:10:23 INFO crail: crail.storage.tcp.cores 1 20/02/07 14:10:23 INFO narpc: new NaRPC client group v1.5.0, queueDepth 32, messageSize 512, nodealy true 20/02/07 14:10:23 INFO crail: crail.namenode.tcp.queueDepth 32 20/02/07 14:10:23 INFO crail: crail.namenode.tcp.messageSize 512 20/02/07 14:10:23 INFO crail: crail.namenode.tcp.cores 1 20/02/07 14:10:23 INFO crail: connected to namenode(s) abbey-road/ 10.114.222.23:9060 write, filename /filename, size 1024, loop 1, storageClass 0, locationClass 0, buffered true Exception in thread "main" java.io.IOException: Map failed at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:938) at org.apache.crail.memory.MappedBufferCache.allocateRegion(MappedBufferCache.java:94) at org.apache.crail.memory.BufferCache.allocateBuffer(BufferCache.java:95) at org.apache.crail.core.CoreDataStore.allocateBuffer(CoreDataStore.java:482) at org.apache.crail.tools.CrailBenchmark.write(CrailBenchmark.java:87) at org.apache.crail.tools.CrailBenchmark.main(CrailBenchmark.java:1070) Caused by: java.lang.OutOfMemoryError: Map failed at sun.nio.ch.FileChannelImpl.map0(Native Method) at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:935) ... 5 more
