extentsize

  • Web扩展块大小

Web Definition

1.
扩展块大小
...块（EXTENT）：形成分配单元的一组页称作扩展块（extent）。在上面的示例中， 扩展块大小（EXTENTSIZE）定义 12 个 …
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Sample Sentence

Definition:
AllAll,扩展块大小扩展块大小
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1.
Prefetchsize determines the number of pages read from disk during a prefetch request and is usually set to a multiple of the extentsize.
预取大小决定在发出预取请求时，从磁盘读取的页面数目，通常将之设置为多个区段大小。
yù qǔ dà xiǎo jué dìng zài fā chū yù qǔ qǐng qiú shí , cóng cí pán dú qǔ de yè miàn shù mù , tōng cháng jiāng zhī shè zhì wèi duō gè qū duàn dà xiǎo 。
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2.
Performance needs to be considered to set important database parameters such as buffer-pool page size, extentsize, and prefetch size.
此外，还要考虑设置重要的数据库参数，比如缓冲池的页面大小、区段大小和预取大小来调节性能。
cǐ wài , hái yào kǎo lǜ shè zhì zhòng yào de shù jù kù cān shù , bǐ rú huǎn chōng chí de yè miàn dà xiǎo 、 qū duàn dà xiǎo hé yù qǔ dà xiǎo lái tiáo jié xìng néng 。
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3.
The calculation of extentsize is a reflection of these system constraints.
区段大小的计算反映了这些系统约束。
qū duàn dà xiǎo de jì suàn fǎn yìng le zhè xiē xì tǒng yuē shù 。
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4.
To achieve this disk parallelism, selection of the proper extentsize is key.
为了取得这一磁盘并行性，选择合适的区段大小就十分关键。
wèi le qǔ de zhè yī cí pán bìng xíng xìng , xuǎn zé hé shì de qū duàn dà xiǎo jiù shí fēn guān jiàn 。
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5.
The extentsize with JBOD storage can be calculated using the following formula
可以使用以下公式计算JBOD存储的区段大小
kě yǐ shǐ yòng yǐ xià gōng shì jì suàn JBOD cún chǔ de qū duàn dà xiǎo
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