reads

LeetCode 158 - Read N Characters Given Read4 II - Call multiple times

TheAPI: intread4(char*buf) reads4charactersatatimefromafile.Thereturnvalueistheactualnumberofcharactersread.Forexample
yuanhsh·2015-02-23 11:00

LeetCode 158 - Read N Characters Given Read4 II - Call multiple times

The API: int read4(char *buf) reads 4 characters at a time from a file.The return value is
yuanhsh·2015-02-23 11:00

LeetCode 157 - Read N Characters Given Read4

TheAPI: intread4(char*buf) reads4charactersatatimefromafile.Thereturnvalueistheactualnumberofcharactersread.Forexample
yuanhsh·2015-02-23 11:00

LeetCode 157 - Read N Characters Given Read4

The API: int read4(char *buf) reads 4 characters at a time from a file.The return value is
yuanhsh·2015-02-23 11:00

ORACLE断开产生死锁的用户

查看最耗磁盘读写率的磁盘语句select*from(selectv.sql_id,v.child_number,v.sql_text,v.elapsed_time,v.cpu_time,v.disk_reads
houzhiqing·2015-02-18 21:28

ORACLE断开产生死锁的用户

查看最耗磁盘读写率的磁盘语句select*from(selectv.sql_id,v.child_number,v.sql_text,v.elapsed_time,v.cpu_time,v.disk_reads
houzhiqing·2015-02-18 21:28

ORACLE断开产生死锁的用户

查看最耗磁盘读写率的磁盘语句select*from(selectv.sql_id,v.child_number,v.sql_text,v.elapsed_time,v.cpu_time,v.disk_reads
houzhiqing·2015-02-18 21:28

ORACLE断开产生死锁的用户

查看最耗磁盘读写率的磁盘语句select*from(selectv.sql_id,v.child_number,v.sql_text,v.elapsed_time,v.cpu_time,v.disk_reads
清霜寒·2015-02-18 20:08

leetcode 160: Read N Characters Given Read4 II - Call multiple times

TotalAccepted:909TotalSubmissions:4757TheAPI:intread4(char*buf)reads4charactersatatimefromafile.Thereturnvalueistheactualnumberofcharactersread.Forexample
xudli·2015-01-28 08:00

oracle TOPSQL整理

htmloracleTOPSQL整理--top10sql SELECT   *      FROM (SELECT   b.username username,                       a.disk_reads
bsbforever·2015-01-23 16:53

oracle TOPSQL整理

htmloracleTOPSQL整理--top10sql SELECT   *      FROM (SELECT   b.username username,                       a.disk_reads
bsbforever·2015-01-23 16:53

oracle TOPSQL整理

htmloracleTOPSQL整理--top10sqlSELECT   *     FROM (SELECT   b.username username,                      a.disk_reads
bsbforever·2015-01-23 16:53

fgets函数

char*fgets(char*s,intsize,FILE*stream);      fgets() reads in atmostonelessthansizecharactersfromstreamand
u012501459·2015-01-12 15:00

leetcode 157: Read N Characters Given Read4

ReadNCharactersGivenRead4TotalAccepted:960TotalSubmissions:3775TheAPI:intread4(char*buf)reads4charactersatatimefromafile.Thereturnvalueistheactualnumberofcharactersread.Forexample
xudli·2015-01-06 14:00

oracle -执行计划的统计信息

block gets ：从buffer cache中读取的block的数量   consistent gets： 从buffer cache中读取的undo数据的block的数量   physical reads
indieinside·2015-01-06 10:00

This function has none of DETERMINISTIC, NO SQL解决办法

;SQL解决办法 创建存储过程时 出错信息： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
wb8206656·2014-12-23 11:00

MySQL 错误1418 的原因分析及解决方法

ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL,or READS SQL DATA in its declaration
liyixing1·2014-12-01 15:00

转录组数据饱和度评估方法

www.biodiscover.com/group/topic/655.html基因表达分析里面，RNA-seq是现在转录组研究常用的技术了，但是通过二代测序获得数据后，在正式分析前我们通常需要做两件事情：其一是reads
SHMILYRINGPULL·2014-12-01 10:00

Jackson Gson Json.simple part 2

的特点和使用方法   Jackson支持三种使用方法 流API（streaming api Incremental parsing/generation） JsonParse reads
·2014-11-23 17:00

sf_Oracle

// 物理读分析 SELECT b.sql_id,a.hash_value, a.buffer_gets/1024 buffer_gets_kb, a.disk_reads/1024 disk_reads_kb
ollevere·2014-11-14 21:00

Consistent Nonlocking Reads

ConsistentNonlockingReads关于可重复读隔离级别下幻读：http://my.oschina.net/xinxingegeya/blog/296513mysql官方文档描述：http://dev.mysql.com/doc/refman/5.6/en/innodb-consistent-read.html‍AconsistentreadmeansthatInnoDBusesmu
鑫鑫哥哥呀·2014-11-12 20:00

查询Oracle 耗资源sql

select * from (select v.sql_id, v.child_number, v.sql_text, v.elapsed_time, v.cpu_time, v.disk_reads
lan13217·2014-10-21 11:00

查询Oracle 耗资源sql

select * from (select v.sql_id, v.child_number, v.sql_text, v.elapsed_time, v.cpu_time, v.disk_reads
lan13217·2014-10-21 11:00

查询Oracle 耗资源sql

10条SQL语句 select* from(selectv.sql_id, v.child_number, v.sql_text, v.elapsed_time, v.cpu_time, v.disk_reads
lan13217·2014-10-21 03:00

详解HDFS Short Circuit Local Reads

详解HDFSShortCircuitLocalReadsHadoop的一大基本原则是移动计算的开销要比移动数据的开销小。因此，Hadoop通常是尽量移动计算到拥有数据的节点上。这就使得Hadoop中读取数据的客户端DFSClient和提供数据的Datanode经常是在一个节点上，也就造成了很多“LocalReads”。最初设计的时候，这种LocalReads和RemoteReads（DFSClie
jewes·2014-10-17 18:00

This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration and binary

ThisfunctionhasnoneofDETERMINISTIC,NOSQL,orREADSSQLDATAinitsdeclarationandbinarymysql的设置默认是不允许创建函数解决办法1:执行：SETGLOBALlog_bin_trust_function_creators=1;不过重启了就失效了注意：有主从复制的时候从机必须要设置 不然会导致主从同步失败解决办法2：在my.c
zy898846959·2014-10-09 18:16

mysql error 1418 解决方法

错误ERROR 1418 (HY000) at line 1693: This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA
yestreenstars·2014-09-09 14:36

MySQL函数不能创建的解决方法

server 5.15安装后发现 出错信息大致类似： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
jackyrong·2014-09-05 12:00

MySQL函数不能创建的解决方法

server 5.15安装后发现 出错信息大致类似： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
jackyrong·2014-09-05 12:00

MySQL函数不能创建的解决方法

server 5.15安装后发现 出错信息大致类似： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
jackyrong·2014-09-05 12:00

MySQL函数不能创建的解决方法

server 5.15安装后发现 出错信息大致类似： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
jackyrong·2014-09-05 12:00

MySQL函数不能创建的解决方法

server 5.15安装后发现 出错信息大致类似： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
jackyrong·2014-09-05 12:00

MySQL函数不能创建的解决方法

server 5.15安装后发现 出错信息大致类似： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
jackyrong·2014-09-05 12:00

MySQL函数不能创建的解决方法

server 5.15安装后发现 出错信息大致类似： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
jackyrong·2014-09-05 12:00

sql优化

Themostcommonresourcesare:Buffergets(V$SQLSTATS.BUFFER_GETS,forhighCPUusingstatements)Diskreads(V$SQLSTATS.DISK_READS
aoerqileng·2014-09-03 19:00

mysql 创建函数失败 错误1418 ERR处理方法

在MySQL创建用户自定义函数时，报以下错误： ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS
submaze·2014-09-03 10:00

查询Oracle性能差的、正在执行或执行过的SQL语句

  SELECT * FROM (select PARSING_USER_ID,EXECUTIONS,SORTS, COMMAND_TYPE,DISK_READS,sql_text FROM
·2014-09-02 10:00

查询oracle比较慢的session和sql

--查询最慢的sqlselect*from(selectparsing_user_id,executions,sortscommand_type,disk_reads,sql_textfromv$sqlareaorderbydisk_readsdesc
wanglipo·2014-08-31 18:00

Consistent Nonlocking Reads

本文转载自：http://dev.mysql.com/doc/refman/5.5/en/innodb-consistent-read.htmlConsistentNonlockingReadsA consistentread meansthat InnoDB usesmulti-versioningtopresenttoaqueryasnapshotofthedatabaseatapointin
yumushui·2014-08-04 14:00

Mysql Scalability(4)Amoeba - Separate Reads and Writes

Mysql Scalability(4)Amoeba - Separate Reads and WritesSeparate Reads and Writes by RulesComments out
sillycat·2014-08-02 03:00

Mysql Scalability(3)Amoeba - Proxy - Reads and Writes

Mysql Scalability(3)Amoeba - Proxy - Reads and WritesOh, seem that the Amoeba is working with version
sillycat·2014-07-30 00:00

oracle 查询当前占用cpu及时间最长的sql语句

A.STATUS,A.PROGRAM,A.MACHINE,A.CLIENT_IDENTIFIER,B.SQL_TEXT,B.CPU_TIME,B.SHARABLE_MEM,ROUND((B.DISK_READS
z69183787·2014-07-23 12:00

flume源码分析-Sink

    /** * * A simple sink which reads events from a channel and writes them to HBase.
frankfan915·2014-07-14 17:00

Cacti snmp监控磁盘IO之bytes read/written和reads/writes

1、检查net-snmp是否支持IO监控     snmpwalk-v1-cpublic 监控机的IPUCD|more 执行如上命令，如果返回类似如下数据，则表示支持diskio的监控，否则需要重新编译增加diskio-module模块。            1.UCD-DISKIO-MIB::diskIOIndex.1=INTEGER:1            2.UCD-DISKIO-MIB
wushank·2014-06-26 11:54

[Err] 1418 - This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA

错误信息: [Err] 1418 - This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration
zaq369cde·2014-06-24 15:00

Optimizer statistics-driven direct path read decision for full table scans

Long time no see ;-) In the hacking session about Oracle full table scans and direct path reads I explained
czmmiao·2014-06-06 16:00

查看Oracle性能差的SQL

10条SQL语句 select* from(selectv.sql_id, v.child_number, v.sql_text, v.elapsed_time, v.cpu_time, v.disk_reads
crane.ding·2014-06-06 04:00

查找数据库中的topsql语句 (oracle)

1、查找使用资源最多的SQL语句：（较高的磁盘读取（disk_reads消耗I/O）和较高的逻辑读取（buffer_gets消耗CPU）被用作衡量标准）selectsql_textfrom(selectsql_text
psiitoy·2014-05-20 09:39

Oracle 中定位重要(消耗资源多)的SQL

99.00'),2)||'%'load,       s.executionsexecutes,       p.sql_text from(selectaddress,            disk_reads
小微OA·2014-04-30 09:00

How ASM instance reads initiator parameter file on ASM disk when startup?

Asisknown,ASMinstanceneedtoreadinitiatorparameterfilewhenstartup.However,thediskgroupsarenotmountedatthattime.HowdoesASMinstancereadit?OracleASMusesregistrytolocateinitiatorparameterfile.Thefilerecord
lbq0711·2014-04-17 20:56
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