diff --git a/en-US/400.deploy/500.deploy-oceanbase-database-community-edition/200.local-deployment/200.environment-and-configuration-checks/600.configure-sysctl-conf-optional.md b/en-US/400.deploy/500.deploy-oceanbase-database-community-edition/200.local-deployment/200.environment-and-configuration-checks/600.configure-sysctl-conf-optional.md index e3c58267db..6305a66b17 100644 --- a/en-US/400.deploy/500.deploy-oceanbase-database-community-edition/200.local-deployment/200.environment-and-configuration-checks/600.configure-sysctl-conf-optional.md +++ b/en-US/400.deploy/500.deploy-oceanbase-database-community-edition/200.local-deployment/200.environment-and-configuration-checks/600.configure-sysctl-conf-optional.md @@ -81,8 +81,8 @@ sysctl -p sysctl kernel.numa_balancing=0 ``` -* Run the following command to disable the memory reclamation and reallocation functionality: - - ```shell +* Run the following command to disable the memory reclamation and reallocation functionality: + + ```shell sysctl vm.zone_reclaim_mode=0 ``` \ No newline at end of file diff --git a/zh-CN/400.deploy/500.deploy-oceanbase-database-community-edition/200.local-deployment/200.environment-and-configuration-checks/600.configure-sysctl-conf-optional.md b/zh-CN/400.deploy/500.deploy-oceanbase-database-community-edition/200.local-deployment/200.environment-and-configuration-checks/600.configure-sysctl-conf-optional.md index 915e2a2455..9851263cc8 100644 --- a/zh-CN/400.deploy/500.deploy-oceanbase-database-community-edition/200.local-deployment/200.environment-and-configuration-checks/600.configure-sysctl-conf-optional.md +++ b/zh-CN/400.deploy/500.deploy-oceanbase-database-community-edition/200.local-deployment/200.environment-and-configuration-checks/600.configure-sysctl-conf-optional.md @@ -25,9 +25,9 @@ sudo vim /etc/sysctl.conf fs.aio-max-nr=1048576 ## 网络优化 -net.core.somaxconn = 2048 -net.core.netdev_max_backlog = 10000 -net.core.rmem_default = 16777216 +net.core.somaxconn = 2048 +net.core.netdev_max_backlog = 10000 +net.core.rmem_default = 16777216 net.core.wmem_default = 16777216 net.core.rmem_max = 16777216 net.core.wmem_max = 16777216 @@ -76,9 +76,9 @@ sysctl -p * bios/uefi 及内核启动参数开启 NUMA 支持。 * 关闭 NUMA Balancing，避免平衡过程中性能发生抖动，命令如下。 - - ```shell - sysctl kernel.numa_balancing=0 + + ```shell + sysctl kernel.numa_balancing=0 ``` * 禁用内存回收和重新分配功能，命令如下。 diff --git a/zh-CN/620.obap/10.obap-overview.md b/zh-CN/620.obap/10.obap-overview.md index bc3e8fe487..562b4438d5 100644 --- a/zh-CN/620.obap/10.obap-overview.md +++ b/zh-CN/620.obap/10.obap-overview.md @@ -6,6 +6,13 @@ OceanBase 是一款完全自研的企业级原生分布式数据库，在普通 ![ap-intro](https://obbusiness-private.oss-cn-shanghai.aliyuncs.com/doc/img/observer/ap/ap-intro-1.png) +
+ + + 通过视频和 Demo 了解 OceanBase 实时分析 + +
+ ## 核心优势 * **稳定可靠** diff --git a/zh-CN/700.reference/500.sql-reference/100.sql-syntax/200.common-tenant-of-mysql-mode/600.sql-statement-of-mysql-mode/1750.alter-tablespace-of-mysql-mode.md b/zh-CN/700.reference/500.sql-reference/100.sql-syntax/200.common-tenant-of-mysql-mode/600.sql-statement-of-mysql-mode/1750.alter-tablespace-of-mysql-mode.md index f75b7e0cdb..61b62070f4 100644 --- a/zh-CN/700.reference/500.sql-reference/100.sql-syntax/200.common-tenant-of-mysql-mode/600.sql-statement-of-mysql-mode/1750.alter-tablespace-of-mysql-mode.md +++ b/zh-CN/700.reference/500.sql-reference/100.sql-syntax/200.common-tenant-of-mysql-mode/600.sql-statement-of-mysql-mode/1750.alter-tablespace-of-mysql-mode.md @@ -45,9 +45,9 @@ tablespace_encryption_option: * `AES-128`：使用 128 位密钥进行加密和解密。 * `AES-128-GCM`：使用 128 位密钥的 GCM 模式。 * `AES-192`：使用 192 位密钥进行加密和解密。 -* `AES-192-GCM`：使用 192 位密钥的 GCM 模式。 -* `SM4-CBC`：SM4 算法采用 CBC 模式，其中每个数据块都与前一个块加密后的输出进行异或操作再进行加密。 -* `SM4-GCM`：SM4 算法采用 GCM 模式，此模式下 SM4 同时提供了数据加密和认证功能。 +* `AES-192-GCM`：使用 192 位密钥的 GCM 模式。 +* `SM4-CBC`：SM4 算法采用 CBC 模式，其中每个数据块都与前一个块加密后的输出进行异或操作再进行加密。 +* `SM4-GCM`：SM4 算法采用 GCM 模式，此模式下 SM4 同时提供了数据加密和认证功能。

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