July 2023
Intermediate to advanced
278 pages
5h 40m
Chinese
Content preview from Trino 权威指南：原书第2版
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生产环境部署
|
77
在
Trino
节点重启和升级时都要保持标识符不变，因此需要指定该属性。如果不指
定，每次重启时都会生成一个随机标识符。
node.data-dir=/var/trino/data
Trino
存储日志文件和其他数据的文件系统目录位置（可选项）。默认位置为安装目
录下的
var
文件夹。
5.5 JVM
配置
JVM
的配置文件
etc/jvm.config
包含用于启动运行
Trino
的
JVM
的命令行选项列表。
这个文件包含一系列的选项，每个选项占据一行。这些选项不是由
shell
解析的，因此包
含空格和其他特殊字符的选项无须用引号括起来。
下面的内容为创建
etc/jvm.config
提供了一个好的开始：
-server
-Xmx4G
-XX:InitialRAMPercentage=80
-XX:MaxRAMPercentage=80
-XX:G1HeapRegionSize=32M
-XX:+ExplicitGCInvokesConcurrent
-XX:+ExitOnOutOfMemoryError
-XX:+HeapDumpOnOutOfMemoryError
-XX:-OmitStackTraceInFastThrow
-XX:ReservedCodeCacheSize=512M
-XX:PerMethodRecompilationCutoff=10000
-XX:PerBytecodeRecompilationCutoff=10000
-Djdk.attach.allowAttachSelf=true
-Djdk.nio.maxCachedBufferSize=2000000 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.