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  • Release 0.195

    Release 0.195 General Changes Security Changes CLI and JDBC Changes MySQL Changes Hive Changes MySQL, Redis, Kafka, and MongoDB Changes Release 0.195 General Changes Fix...
  • Configure Replication Zones

    Configure Replication Zones Overview Replication zone levels For system data Level priorities Manage replication zones Replication zone variables Replication constraints Descr...
  • Knative Serving metrics

    Knative Serving metrics Activator Autoscaler Controller Webhook Go Runtime - memstats Knative Serving metrics Administrators can monitor Serving control plane based on the ...
  • Knative Serving metrics

    Knative Serving metrics Activator Autoscaler Controller Webhook Go Runtime - memstats Knative Serving metrics Administrators can monitor Serving control plane based on the ...
  • Knative Serving metrics

    Knative Serving metrics Activator Autoscaler Controller Webhook Go Runtime - memstats Knative Serving metrics Administrators can monitor Serving control plane based on the ...
  • Knative Serving metrics

    Knative Serving metrics Activator Autoscaler Controller Webhook Go Runtime - memstats Knative Serving metrics Administrators can monitor Serving control plane based on the ...
  • CONFIGURE ZONE

    CONFIGURE ZONE Synopsis Required privileges Parameters Variables Viewing schema changes Examples Edit a replication zone Edit the default replication zone Create a replicati...
  • JVM/OS配置

    JVM/OS配置 1 JVM选项 2 Linux内核参数 JVM/OS配置 本小节主要介绍系统(JVM/OS)相关的配置。 1 JVM选项 推荐使用最新发布的 JDK 版本。通过设置相同的 Xms 和 Xmx 值来防止 JVM 调整堆大小以获得更好的性能。生产环境 JVM 配置如下所示: - server - Xms8g - Xmx8g...
  • Cache

    Cache 缓存类型 缓存配置 使用缓存 扩展缓存 使用第三方缓存 Adapter Cache 在项目中,合理使用缓存对性能有很大的帮助。ThinkJS 提供了多种的缓存方式,包括:内存缓存、文件缓存、Memcache 缓存、Redis 缓存等。 缓存类型 系统默认支持的缓存类型如下: memory 内存缓存 file 文件缓存...
  • spark性能调优(官方)

    Spark调优 1 数据序列化 2 内存调优 2.1 内存管理概览 2.2 评估内存消耗 2.3 数据结构调优 2.4 序列化RDD存储 2.5 垃圾回收调优 衡量GC的影响 高级GC调优 3 其他事项 3.1 并行度 3.2 Reduce任务的内存占用 3.3 广播大变量 3.4 数据本地性 Spark调优 由于大部分...