rocketraid 622

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Some errors in hive (1.2.2) run (not periodically updated)

reached. At Org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkNameNodeSafeMode) at Org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs (FSNAMESYSTEM.J at Org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs (Namenoder at Org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslanodeProtocolServerSideTranslatorPB.java : 622) at Org.apache.hadoop.hdfs.protocol.proto.clientnamenodeprotocolprotos$clientblockingmeth

MARIADB installation, Apache installation

%[========================================================================================================== =================>] 541,295,045 1.08mb/s spents 14m 10s2018-04-09 22:28:44 (622 kb/s)-Saved "mariadb-10.2.6-linux-glibc_214-x86_64.tar.gz" [541295045/541295045])Then unzipTar zxvf mariadb-10.2.6-linux-glibc_214-x86_64.tar.gz然后我们将解压后的文件mariadb-10.2.6-linux-glibc_214-x86_64放到/usr/local下,为了和mysql区分,我们将它的名字改为mariadb[Email protected] src]# MV MARIAD

How to create high efficiency sql-index

@number, 57 getdate (), 581, 59 0, 60 61 0, 622 63 64) 65set @[emailprotected] 66END 67 Create an index, when to create, for which field to create and so on a series of questions here are all the put down here, step-by-step with a heuristic to create a nonclustered index to see how different indexes will be before and after the index is built. Let's start by stating that a simple rule to determine whether you need to optimize SQL by executing a plan

SQL Server parallel Operations optimization to prevent parallel operations from being suppressed and affecting SQL execution efficiency

an example. How the parallel query becomes serial: The following is a very simple query operation, which, by default, turns on parallelism, and you can see that 8 threads are opened to calculate the SQL statement.    Of course, this SQL execution efficiency is good, CPU time is 622 milliseconds, the total time to execute is 130 milliseconds, here do not confuse, CPU time of 633 milliseconds, is 8 CPU total CPU time, more than the overall execution

SQL Server Performance Tuning 3 (Index) Maintenance

(' Salesorderdetaildemo '), ' Netprice ', ' isprecise ') as ' precise? '5. Build the index when required, and execute the previous query statement againCREATE INDEX Idx_salesorderdetaildemo_netpriceon Salesorderdetaildemo (netprice) goselect * from Salesorderdetaildemo WHERE Netprice>5000goThe performance results are as follows: SQL Server parse and compile time:CPU time = 0 ms, Elapsed time = 0 Ms.SQL Server parse and compile time:CPU time = 0 ms, Elapsed time = 0 Ms.(3864 row

Oracle "Parallel execution" of the three--parameters

/ Wkiom1d35kwylz6raaeqnx1prve339.png "" 624 "height=" 439 "/> 650) this.width=650; "title=" clipboard[3] "style=" border-top:0px; border-right:0px; Background-image:none; border-bottom:0px; padding-top:0px; padding-left:0px; border-left:0px; padding-right:0px "border=" 0 "alt=" clipboard[3] "src=" http://s3.51cto.com/wyfs02/M00/83/9C/ Wkiol1d35kbijafdaadxkxnbvli016.png "" 622 "height=" 365 "/> For example, there is a 600-partition table with a DOP of

Spark SQL Statistics which constellation of people most like to open room

))).distinct() customer.registerTempTable("customer") def toInt(s: String):Int = { try { s.toInt }catch { case e:Exception =>9999 } } def myfun(birthday: String) : String = { var rt ="未知" if (birthday.length ==8) { val md = toInt(birthday.substring(4)) if (md >=120 md 219) rt ="水瓶座" else if (md >=220 md 320) rt ="双鱼座" else if (md >=321 md 420) rt ="白羊座" else if (md >=421 md 521) rt ="金牛座" else if (md >=522 md 621) rt ="双子座" else if (md >=622 md

Shell Project Distribution System-expect (next)

]‘s password: building file list ... doneroot/root/for01.shroot/temp/root/temp/test.txttmp/tmp/12.txtsent 622 bytes received 84 bytes 1412.00 bytes/sectotal size is 339 speedup is 0.48+ for ip in ‘`cat /tmp/ip.list`‘+ echo 127.0.0.1127.0.0.1+ ./rsync.expect 127.0.0.1 /tmp/list.txtspawn rsync -avR --files-from=/tmp/list.txt / [emailprotected]:/[emailprotected]‘s password: building file list ... donesent 145 bytes received 12 bytes 314.00 bytes/sec

Implementation of CpuMemSets in Linux

page fault here */ 432 unsigned long mems_allowed; : 462 };    [Kernel/fork. c] 620 int do_fork (unsigned long clone_flags, unsigned long stack_start, 621 struct pt_regs * regs, unsigned long stack_size) 622 { : 751 SET_CHILD_CMS (p, current ); : 871}    [Include/linux/cpumemset. h] 173 /* 174 * Set child's current, child and alloc cpumemset 175 * from parent's child_cms (used in fork ). 176 */ 177 178 # define SET_CHILD_CMS (child, parent) do {179 c

Two simple subnet mask Algorithms

/1638211/13 201710000224.0 2046/819012/12 255.255.240.0 4094/409413/11 255.255.248.0 8190/204614/10 255.255.252.0 16382/102215/9 255.255.254.0 32766/51016/8 255.255.255.0 65536/25417/7 1000000000000128 131070/12618/6 2017100000000192 262142/6219/5 million bytes faster than 524286/3020/4 1000000000000240 1048574/1421/3 255.255.255.248 2097150/622/2 255.255.255.252 4194302/2Type B IP Address:Subnet bit/host bit subnet mask maximum number of subnets/Maxi

IP network QoS and security issues

the PSTN network knows that the network resources required by each request are 64 KB/s, therefore, it is easy to determine whether the end-to-end Network Resources requested by the user are available.  For the whole network, we can calculate the traffic and flow based on the 64 KB/s resource required for each call by each user, and carry out reasonable planning and design based on over one hundred years of operation experience, improve the resource utilization of the entire network while ensuri

SQL Server parallel operation optimization prevents parallel operations from being restrained and affects SQL Execution efficiency and SQL Execution Efficiency

methods will suppress parallel operations and results, resulting in the entire SQL statement (Stored Procedure) efficiency. The following is an example. How does parallel query become serial: The following is a very simple query operation. By default, parallel statements are enabled. We can see that a total of eight threads are enabled to compute SQL statements. Of course, the SQL Execution efficiency is quite good. The CPU time is 622 milliseconds,

Org.apache.ibatis.builder.IncompleteElementException:Could not find parameter map

(Cglib2AopProxy.java:622 )At com.boco.fsmsys.amuse.service.impl.amuseitemserviceimpl$ $EnhancerByCGLIB $ $b 6a4972c.find (At Com.boco.fsmsys.test.service.AmuseItemServiceTest.testFind (amuseitemservicetest.java:15)At Sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)At Sun.reflect.NativeMethodAccessorImpl.invoke (nativemethodaccessorimpl.java:39)At Sun.reflect.DelegatingMethodAccessorImpl.invoke (delegatingmethodaccessorimpl.java:25)At Java

Standards and specifications for the design of structured cabling systems

Design Standards: IEEE802 standard and 100BASE-TX Standard EIA/TIA568 industrial standards and international business building wiring standards Ansi fddi/TPDDI 100 Mbps Ccitt atm 155 Mbps/622 Mbps Installation and design specifications: China building electrical design code Industrial Enterprise Communication Design Specifications General principles of Structured Cabling System Design Technical specifications for construction and acceptance of

Application and Development of MSTP

, including 155 Mb/s, 622 Mb/s, 2.5 Gbit/s, and 10 Gbit/s. On the one hand, MSTP retains the inherent cross capabilities of SDH and the traditional PDH business interfaces and low-speed SDH business interfaces to continue to meet the needs of TDM business; on the other hand, MSTP provides functions such as ATM processing, Ethernet passthrough, L2 Ethernet Switching, RPR processing, and MPLS processing to meet the data service aggregation, sorting, and

Backbone IP Address Transmission Technology Based on wdm ip Address Transmission

the attention of the outside world except for its role in interworking with American LAN. ITU-T did not accept this standard for a long period of time. Until the beginning of 1990s, the emergence of Web fundamentally changed this state, and the IP network had achieved rapid development, and the corresponding IP technology had also achieved rapid development. IP is a network layer protocol, and SDH and WDM are physical layer transmission technologies. A data link layer is required between the tw

PHP single quotes and double quotes string Efficiency

= $ single_quotes_var_pre ,! 6 = $ double_quotes_var_preLine # op fetch ext return operands-------------------------------------------------------------------------------2 0 ASSIGN! 0, 'this + is + a + string'3 1 ASSIGN! 1, 'this + is + a + string'4 2 ECHO! 05 3 ECHO! 17 4 ASSIGN! 2, 'string'8 5 CONCAT ~ 3 'this + is + a + ',! 26 ASSIGN! 3 ,~ 39 7 INIT_STRING ~ 58 ADD_STRING ~ 5 ~ 5, 'this + is + a +'9 ADD_VAR ~ 5 ~ 5 ,! 210 ASSIGN! 4 ,~ 511 11 ECHO! 312 12 ECHO! 414 13 ASSIGN! 2, 'eas'16 14 CO

360 free WIFI encryption signature cracking to get others' wireless plaintext passwords (you can also change the traffic of the carrier with a gold coin)

(), "qlink_secret_key", ""); v0 = tM.a; } return v0; } Wa # a (Context arg1, String arg2, String arg3) method calls sV # B (Context arg2, String arg3, String arg4) public static String a(Context arg1, String arg2, String arg3) { return sV.b(arg1, arg2, arg3); } Hook sV # B (Context arg2, String arg3, String arg4) input and output are as follows: 09-15 11:02:27. 749 1293-1293 /? I/QihooWifi: in sV # B (C | s) = last_update_date | para2 = 09-15 11:02:27. 749 1

TENSORFLOW-GPU installation on WINDOWS10 (Anaconda)

(log_device_placement=True))Issues#1Cannot remove entries from nonexistent fileIf a similar error occurs when installing TensorFlow Cannot remove entries from nonexistent file c:\users\li\anaconda3\lib\site-packages\easy-install.pth , then refer to cannot remove entries from nonexistent #622 and OSX 10.11 installation issues #135 , there are a lot of solutions, I'm here to introduce a method: pip3 install --upgrade tensorflow-gpu before the first exec

Phpwind v9.0 vulnerability in chicken ribs

: Header may not contain more than a single header, new line detected 'J: \ dcx \ bbs \ wind \ web \ WindHttpResponse. php: 619 614: * @ see IWindResponse: sendHeaders () 615: */616: public function sendHeaders () {617: if ($ this-> isSendedHeader () return; 618: foreach ($ this-> _ headers as $ header) {619: header ($ header ['name']. ':'. $ header ['val Ue '], $ header ['replace']); 620:} 621: if ($ this-> _ status) {622: header ('HTTP/1.x '. $ this

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