time find / b / c / d / e / f / g / h / i / j / k / l-type f-print> / dev / null
real 0m4.608s user 0m1.489s sys 0m3.068s I run this, the result is far less than eight minutes, is not where I set up right? I just changed the fs.default.name, other settings are default values <name> fs.default.name </ name> <value> hdfs: / / named: 9000 </ value> <name> mapred.job.tracker </ name> <value> hdfs: / / named: 9001 </ value> <name> hadoop.tmp.dir </ name> <value> / hadoop / tmp </ value> <name> dfs.name.dir </ name> <value> / hadoop / name </ value> <name> dfs.data.dir </ name> <value> / b, / c, / d, / e, / f, / g, / h, / i, / j, / k, / l </ value> <name> dfs.replication </ name> <value> 1 </ value> <name> dfs.block.size </ name> <value> 2560000 </ value> 2009/7/20 Jason Venner <[email protected]> > Did you run this command on the datanode that not responding? > > On Sun, Jul 19, 2009 at 3:59 AM, mingyang <[email protected]> wrote: > > > in datanode logs ， I found a new error message. > > Would like to help solve the problem > > > > 2009-07-19 18:40:43,464 ERROR > > org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration( > > 192.168.1.97:50010, > > storageID=DS-148204255-192.168.1.97-50010-1247630449653, > > infoPort=50075, ipcPort=50020):DataXceiver > > java.io.IOException: Version Mismatch > > at > > > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:81) > > at java.lang.Thread.run(Thread.java:619) > > 2009-07-19 18:40:43,464 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_9198148243909908835_1418899 src: /192.168.1.94:21486 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:41:43,363 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_4464496078754951058_1418901 src: /192.168.1.105:17434 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:41:55,318 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_-998769390764365324_1418903 src: /192.168.1.105:17436 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:42:51,983 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_7357805261059813870_1418903 src: /192.168.1.94:16148 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:43:00,936 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_6766332640664853809_1418903 src: /192.168.1.105:60392 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:44:03,112 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_8833189579369772797_1418903 src: /192.168.1.94:16152 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:44:07,105 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_-92272670489114760_1418903 src: /192.168.1.94:16153 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:45:15,301 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_-3189060218922169017_1418903 src: /192.168.1.94:16157 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:45:19,299 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_2093621896162975184_1418903 src: /192.168.1.105:60400 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:46:27,602 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_-2879021713701012781_1418905 src: /192.168.1.105:60404 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:46:27,602 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block > > blk_356680792598474797_1418907 src: /192.168.1.105:60406 dest: / > > 192.168.1.97:50010 > > 2009-07-19 18:47:21,366 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Exception in > receiveBlock > > for block blk_-8134427742713358791_1418899 java.io.EOFException: while > > trying to read 65557 bytes > > 2009-07-19 18:47:21,367 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder 0 for > > block > > blk_-8134427742713358791_1418899 Interrupted. > > 2009-07-19 18:47:21,367 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder 0 for > > block > > blk_-8134427742713358791_1418899 terminating > > 2009-07-19 18:47:21,367 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: writeBlock > > blk_-8134427742713358791_1418899 received exception java.io.EOFException: > > while trying to read 65557 bytes > > 2009-07-19 18:47:21,367 ERROR > > org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration( > > 192.168.1.97:50010, > > storageID=DS-148204255-192.168.1.97-50010-1247630449653, > > infoPort=50075, ipcPort=50020):DataXceiver > > java.io.EOFException: while trying to read 65557 bytes > > at > > > > > org.apache.hadoop.hdfs.server.datanode.BlockReceiver.readToBuf(BlockReceiver.java:264) > > at > > > > > org.apache.hadoop.hdfs.server.datanode.BlockReceiver.readNextPacket(BlockReceiver.java:308) > > at > > > > > org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receivePacket(BlockReceiver.java:372) > > at > > > > > org.apache.hadoop.hdfs.server.datanode.BlockReceiver.receiveBlock(BlockReceiver.java:524) > > at > > > > > org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:357) > > at > > > > > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:103) > > at java.lang.Thread.run(Thread.java:619) > > 2009-07-19 18:47:21,368 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: Exception in > receiveBlock > > for block blk_-346503319966521195_1418897 java.io.EOFException: while > > trying > > to read 65557 bytes > > 2009-07-19 18:47:21,371 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder 0 for > > block > > blk_-346503319966521195_1418897 Interrupted. > > 2009-07-19 18:47:21,373 INFO > > org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder 0 for > > block > > blk_-346503319966521195_1418897 terminating > > > > 2009/7/19 mingyang <[email protected]> > > > > > But I added datanode still appear in this phenomenon, and I added a new > > > datanode, the above data only 10g > > > Strangely enough, wait about 10 minutes, hadoop will resume, I do not > > know > > > what the problem is this, ask for help > > > > > > > > > it‘s log > > > 09/07/19 18:46:13 INFO hdfs.DFSClient: Waiting to find target node: > > > 192.168.1.97:50010 > > > 09/07/19 18:46:13 INFO hdfs.DFSClient: Exception in > > createBlockOutputStream > > > java.net.SocketTimeoutException: 66000 millis timeout wh > > > ile waiting for channel to be ready for read. ch : > > > java.nio.channels.SocketChannel[connected local=/192.168.1.94:16153 > > remote=/192.1 > > > 68.1.97:50010] > > > 09/07/19 18:46:08 INFO hdfs.DFSClient: Waiting to find target node: > > > 192.168.1.97:50010 > > > 09/07/19 18:46:08 INFO hdfs.DFSClient: Exception in > > createBlockOutputStream > > > java.net.SocketTimeoutException: 66000 millis timeout wh > > > ile waiting for channel to be ready for read. ch : > > > java.nio.channels.SocketChannel[connected local=/192.168.1.94:16152 > > remote=/192.1 > > > 68.1.97:50010] > > > 09/07/19 18:45:01 INFO hdfs.DFSClient: Waiting to find target node: > > > 192.168.1.105:50010 > > > 09/07/19 18:45:01 INFO hdfs.DFSClient: Exception in > > createBlockOutputStream > > > java.io.IOException: Bad connect ack with firstBadLink 1 > > > 92.168.1.97:50010 > > > 09/07/19 18:44:56 INFO hdfs.DFSClient: Waiting to find target node: > > > 192.168.1.97:50010 > > > 09/07/19 18:44:56 INFO hdfs.DFSClient: Exception in > > createBlockOutputStream > > > java.net.SocketTimeoutException: 66000 millis timeout wh > > > ile waiting for channel to be ready for read. ch : > > > java.nio.channels.SocketChannel[connected local=/192.168.1.94:16148 > > remote=/192.1 > > > 68.1.97:50010] > > > > > > > > > > > > > > > > > > 2009/7/17 mingyang <[email protected]> > > > > > > I run this, the result is far less than eight minutes, is not where I > set > > >> up right? I just changed the fs.default.name, other settings are > > default > > >> values > > >> <name> fs.default.name </ name> > > >> <value> hdfs: / / named: 9000 </ value> > > >> > > >> > > >> > > >> <name> mapred.job.tracker </ name> > > >> <value> hdfs: / / named: 9001 </ value> > > >> > > >> > > >> > > >> <name> hadoop.tmp.dir </ name> > > >> <value> / hadoop / tmp </ value> > > >> > > >> <name> dfs.name.dir </ name> > > >> <value> / hadoop / name </ value> > > >> > > >> > > >> <name> dfs.data.dir </ name> > > >> <value> / b, / c, / d, / e, / f, / g, / h, / i, / j, / k, / l </ > > value> > > >> > > >> > > >> > > >> > > >> <name> dfs.replication </ name> > > >> <value> 1 </ value> > > >> > > >> > > >> <name> dfs.block.size </ name> > > >> <value> 2560000 </ value> > > >> > > >> > > >> > > >> time find / b / c / d / e / f / g / h / i / j / k / l-type f-print> / > > dev > > >> / null > > >> > > >> real 0m4.608s > > >> user 0m1.489s > > >> sys 0m3.068s > > >> > > >> > > >> 2009/7/17 jason hadoop <[email protected]> > > >> > > >>> From the shell, > > >>> time find /b /c /d /e /f /g /h /i /j /k /l -type f -print > /dev/null > > >>> > > >>> Also, unless your distribution is magic, white space is not ignored > in > > >>> value > > >>> statements. Hopefully your actual value is > > >>> <value>/b,/c,/d,/e,/f,/g,/h,/i,/j,/k,/l</value> > > >>> > > >>> On Fri, Jul 17, 2009 at 6:29 AM, mingyang <[email protected]> > > wrote: > > >>> > > >>> > Thank you for your reply, I am novice, I do not quite understand > how > > to > > >>> > check dfs.data.dir more than eight minutes? > > >>> > My settings are dfs.data.dir > > >>> > <property> > > >>> > <name> dfs.data.dir </ name> > > >>> > <value> / b, / c, / d, / e, / f, / g, / h, / i, / j, / k, / l </ > > >>> value> > > >>> > </ property> > > >>> > > > >>> > Each directory has a disk mount > > >>> > > > >>> > 2009/7/17 jason hadoop <[email protected]> > > >>> > > > >>> > > Most likely problem is that the block report is taking more than > 10 > > >>> > > minutes. > > >>> > > Due to the placement of the sync blocks in the core Datanode > code, > > >>> the > > >>> > > block > > >>> > > report locks out the heartbeat. > > >>> > > This can cause the namenode to think the datanode has vanished. > > >>> > > > > >>> > > A simple way to check, is to run a find on the directory set > > >>> specified > > >>> > for > > >>> > > dfs.data.dir. If this find takes more than 8 minutes or so, you > are > > >>> in > > >>> > > trouble. > > >>> > > The only solutions are to add more datanodes, reducing the block > > >>> count, > > >>> > or > > >>> > > increase your system io speed so that the block report may > complete > > >>> in > > >>> > > time. > > >>> > > > > >>> > > On Fri, Jul 17, 2009 at 6:12 AM, mingyang <[email protected]> > > >>> wrote: > > >>> > > > > >>> > > > i using hadoop storage my media files，, but when the number of > > >>> > documents > > >>> > > > when more than one million, > > >>> > > > Hadoop start about 10-20 minutes, my datanode automatically > down, > > >>> > > > namenode log shows that the loss of heart, but I see my normal > > >>> > datanode, > > >>> > > > port 50010 can be a normal telnet, use jps to see can see > > datanode > > >>> > still > > >>> > > > running, but at this time have been unable to put data to a > > hadoop, > > >>> I > > >>> > > guess > > >>> > > > datanode services is dead, hadoop does not support more than > one > > >>> > million > > >>> > > > documents? How do I adjust those parameters? I have already set > > up > > >>> at > > >>> > the > > >>> > > > same time the number of open file 65535 > > >>> > > > > > >>> > > > > > >>> > > > namenode log > > >>> > > > > > >>> > > > 2009-07-17 18:14:29,330 INFO > > >>> > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: > > >>> > > > > > >>> > > > ugi=root,root,bin,daemon,sys,adm,disk,wheelip=/192.168.1.96 > > >>> > > > cmd=setPermission > > >>> > > > > > >>> > > > src=/hadoop/tmp/mapred/system/jobtracker.info dst=null > > >>> > > > perm=root:supergroup > > >>> > > > :rw------- > > >>> > > > 2009-07-17 18:14:29,336 INFO > org.apache.hadoop.hdfs.StateChange: > > >>> BLOCK* > > >>> > > > NameSystem.allocateBlock: > > >>> > > > > > >>> > > > /hadoop/tmp/mapred/system/jobtrack > > >>> > > > er.info. blk_-2148480138731090754_1403179 > > >>> > > > 2009-07-17 18:14:32,958 INFO > org.apache.hadoop.hdfs.StateChange: > > >>> BLOCK* > > >>> > > > NameSystem.addStoredBlock: blockMap updated: > > >>> > > > > > >>> > > > 192.168.1.97:50 > > >>> > > > 010 is added to blk_-2148480138731090754_1403179 size 4 > > >>> > > > 2009-07-17 18:14:33,340 INFO > org.apache.hadoop.hdfs.StateChange: > > >>> DIR* > > >>> > > > NameSystem.completeFile: file > > >>> > > > > > >>> > > > /hadoop/tmp/mapred/system/jobtra > > >>> > > > cker.info is closed by DFSClient_1037557306 > > >>> > > > 2009-07-17 18:16:21,349 INFO > > >>> > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll Edit > > Log > > >>> from > > >>> > > > 192.168.1.96 > > >>> > > > 2009-07-17 18:16:21,349 INFO > > >>> > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of > > >>> > > > transactions: > > >>> > > > 7 Total time for > > >>> > > > > > >>> > > > transacti > > >>> > > > ons(ms): 1Number of transactions batched in Syncs: 1 Number of > > >>> syncs: 6 > > >>> > > > SyncTimes(ms): 9 > > >>> > > > 2009-07-17 18:17:12,171 INFO > > >>> > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll > FSImage > > >>> from > > >>> > > > 192.168.1.96 > > >>> > > > 2009-07-17 18:17:12,171 INFO > > >>> > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of > > >>> > > > transactions: > > >>> > > > 0 Total time for > > >>> > > > > > >>> > > > transacti > > >>> > > > ons(ms): 0Number of transactions batched in Syncs: 0 Number of > > >>> syncs: 1 > > >>> > > > SyncTimes(ms): 0 > > >>> > > > 2009-07-17 18:51:00,566 INFO > org.apache.hadoop.hdfs.StateChange: > > >>> BLOCK* > > >>> > > > NameSystem.heartbeatCheck: lost heartbeat from > > >>> > > > > > >>> > > > 192.168.1.97: > > >>> > > > 50010 > > >>> > > > 2009-07-17 18:51:25,383 INFO > > org.apache.hadoop.net.NetworkTopology: > > >>> > > > Removing > > >>> > > > a node: /default-rack/192.168.1.97:50010 > > >>> > > > 2009-07-17 19:10:48,564 INFO > > >>> > > > org.apache.hadoop.hdfs.server.namenode.LeaseManager: Lease > > [Lease. > > >>> > > Holder: > > >>> > > > DFSClient_- > > >>> > > > > > >>> > > > 1624377199, pend > > >>> > > > ingcreates: 69] has expired hard limit > > >>> > > > 2009-07-17 19:10:48,564 INFO > > >>> > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Recovering > > >>> > > > lease=[Lease. Holder: > > >>> > > > > > >>> > > > DFSClient_-16243 > > >>> > > > 77199, pendingcreates: 69], > > >>> > > > > > >>> > src=/unp/01/video/B3/94/{B394EDB2-0302-34B9-5357-4904FFFEFF36}_100.unp > > >>> > > > > > >>> > > > datanode log > > >>> > > > > > >>> > > > 2009-07-17 18:52:40,719 INFO > > >>> > > > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: > > >>> Verification > > >>> > > > succeeded for blk_664105388033641 > > >>> > > > 1514_601647 > > >>> > > > 2009-07-17 18:52:12,421 INFO > > >>> > > > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: > > >>> Verification > > >>> > > > succeeded for blk_-10747966535898 > > >>> > > > 19594_1392025 > > >>> > > > 2009-07-17 18:51:44,074 INFO > > >>> > > > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: > > >>> Verification > > >>> > > > succeeded for blk_-63504301593802 > > >>> > > > 31402_155334 > > >>> > > > 2009-07-17 18:51:12,760 INFO > > >>> > > > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: > > >>> Verification > > >>> > > > succeeded for blk_460729998775184 > > >>> > > > 5359_395290 > > >>> > > > 2009-07-17 18:50:39,977 INFO > > >>> > > > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: > > >>> Verification > > >>> > > > succeeded for blk_802918354954113 > > >>> > > > 9011_474989 > > >>> > > > 2009-07-17 18:50:11,707 INFO > > >>> > > > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: > > >>> Verification > > >>> > > > succeeded for blk_846865664811904 > > >>> > > > 9754_1065465 > > >>> > > > 2009-07-17 18:49:39,421 INFO > > >>> > > > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: > > >>> Verification > > >>> > > > succeeded for blk_473953565994615 > > >>> > > > 8302_532204 > > >>> > > > 2009-07-17 18:49:11,213 INFO > > >>> > > > org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: > > >>> Verification > > >>> > > > succeeded for blk_-14950858387931 > > >>> > > > 09024_354553 > > >>> > > > > > >>> > > > 09/07/17 18:02:09 WARN hdfs.DFSClient: DFSOutputStream > > >>> > ResponseProcessor > > >>> > > > exception for block > > >>> > > > > blk_-2536746364442878375_1403164java.net.SocketTimeoutException: > > >>> 63000 > > >>> > > > millis timeout while waiting for channel to be ready for read. > ch > > : > > >>> > > > java.nio.channels.SocketChannel[connected local=/ > > >>> 192.168.1.94:54783 > > >>> > > remote=/ > > >>> > > > 192.168.1.97:50010] > > >>> > > > 11096473 09/07/17 18:02:12 INFO hdfs.DFSClient: > Exception > > in > > >>> > > > createBlockOutputStream java.net.SocketTimeoutException: 63000 > > >>> millis > > >>> > > > timeout while waiting for channel to be ready for read. ch : > > >>> > > > java.nio.channels.SocketChannel[connected local=/ > > >>> 192.168.1.94:54790 > > >>> > > remote=/ > > >>> > > > 192.168.1.97:50010] > > >>> > > > 11096475 09/07/17 18:02:12 INFO hdfs.DFSClient: > Exception > > in > > >>> > > > createBlockOutputStream java.net.SocketTimeoutException: 63000 > > >>> millis > > >>> > > > timeout while waiting for channel to be ready for read. ch : > > >>> > > > java.nio.channels.SocketChannel[connected local=/ > > >>> 192.168.1.94:54791 > > >>> > > remote=/ > > >>> > > > 192.168.1.97:50010] > > >>> > > > > > >>> > > > > >>> > > > > >>> > > > > >>> > > -- > > >>> > > Pro Hadoop, a book to guide you from beginner to hadoop mastery, > > >>> > > http://www.amazon.com/dp/1430219424?tag=jewlerymall > > >>> > > www.prohadoopbook.com a community for Hadoop Professionals > > >>> > > > > >>> > > > >>> > > > >>> > > > >>> > -- > > >>> > 致 > > >>> > 礼！ > > >>> > > > >>> > > > >>> > 王明阳 > > >>> > > > >>> > > >>> > > >>> > > >>> -- > > >>> Pro Hadoop, a book to guide you from beginner to hadoop mastery, > > >>> http://www.amazon.com/dp/1430219424?tag=jewlerymall > > >>> www.prohadoopbook.com a community for Hadoop Professionals > > >>> > > >> > > >> > > >> > > >> -- > > >> 致 > > >> 礼！ > > >> > > >> > > >> 王明阳 > > >> > > > > > > > > > > > > -- > > > 致 > > > 礼！ > > > > > > > > > 王明阳 > > > > > > > > > > > -- > > 致 > > 礼！ > > > > > > 王明阳 > > > > > > -- > Pro Hadoop, a book to guide you from beginner to hadoop mastery, > http://www.amazon.com/dp/1430219424?tag=jewlerymall > www.prohadoopbook.com a community for Hadoop Professionals > -- 致 礼！ 王明阳
