使用的是:+PrintGCDetails
-XX:+PrintGCTimeStamps输出的日志格式: [Times: user=0.03 sys=0.00, real=0.01
secs]363.375: [GC 363.375: [ParNew: 39424K->3249K(39424K), 0...
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其他好文 时间:
2014-06-12 22:38:15
阅读次数:
347
There are three DMVs you can use to track
tempdb
usage:sys.dm_db_task_space_usagesys.dm_db_session_space_usagesys.dm_db_file_space_usageThe
first two ...
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数据库 时间:
2014-06-10 11:27:07
阅读次数:
307
brk(addr)直接修改堆的大小。addr指定current->mm->brk的新值,返回值是线性区新的结束地址,这是一个系统调用。当用户态的进程调用brk()系统调用时,内核执行sys_brk(addr)函数。下面分析这个函数的执行流程:
1:检测addr参数是否位于进程代码段所在的线性区,如果是直接返回,因为堆不能与进程代码段所在的线性区重合。
mm=current->mm;
down_...
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其他好文 时间:
2014-06-10 11:06:20
阅读次数:
284
Graph coloring is the problem of assigning a color to each vertex of an undirected graph such that no two adjacent vertices have the same color. We implement the greedy algorithm from Scalable parallel graph coloring algorithms. The algorithm iteratively f...
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其他好文 时间:
2014-06-10 07:10:19
阅读次数:
260
select fu.user_name 用户名, fu.description 描述,
(select ppf.FULL_NAME from per_people_f ppf where ppf.PERSON_ID = fu.employee_id
and trunc(sysdate) betwee...
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数据库 时间:
2014-06-09 17:13:14
阅读次数:
270
SELECT DISTINCT fa.application_short_name 模块,
b.responsibility_name 职责名称, fa.application_name 应用产品, b.responsibility_key
责任关键字, b.description 说明, D...
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数据库 时间:
2014-06-09 17:01:37
阅读次数:
294
SELECT fs.USER_NAME, fu.description,
fs.RESPONSIBILITY_NAME, fs.USER_FORM_NAME, fs.TIME, fs.RESP_APPL_ID,
fs.RESPONSIBILITY_ID, fs.FORM_ID, fs.FORM_AP...
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数据库 时间:
2014-06-09 17:00:55
阅读次数:
222
select fu.user_name 用户名, fu.description 用户说明,
frv.RESPONSIBILITY_NAME 职责名称,REQUEST_GROUP_NAME 报表组,(select ppf.FULL_NAME from
apps.per_people_f ppf whe...
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数据库 时间:
2014-06-09 16:58:45
阅读次数:
316
select a.patch_name, b.DRIVER_FILE_NAME,
c.language, b.creation_datefrom apps.ad_applied_patches a, apps.ad_patch_drivers
b, apps.ad_patch_driver_lang...
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数据库 时间:
2014-06-09 16:56:14
阅读次数:
357