diff --git a/product/en/docs-mogdb/v3.0/characteristic-description/high-availability/15-global-syscache.md b/product/en/docs-mogdb/v3.0/characteristic-description/high-availability/15-global-syscache.md index 041ffea2f469206d128550e4f63e05e59f906ff5..459771ffc2d1547b8ed0b33cede57b1f355d4883 100644 --- a/product/en/docs-mogdb/v3.0/characteristic-description/high-availability/15-global-syscache.md +++ b/product/en/docs-mogdb/v3.0/characteristic-description/high-availability/15-global-syscache.md @@ -19,7 +19,7 @@ Global SysCache is the global and local caches of system catalog data. Figure 1 **Figure 1** Global SysCache principle - ![Global-SysCache原理图](https://cdn-mogdb.enmotech.com/docs-media/mogdb/characteristic-description/Global-SysCache.png) + ![Global-SysCache principle](https://cdn-mogdb.enmotech.com/docs-media/mogdb/characteristic-description/Global-SysCache-en.jpg) ## Benefits diff --git a/product/en/docs-mogdb/v3.1/characteristic-description/high-availability/15-global-syscache.md b/product/en/docs-mogdb/v3.1/characteristic-description/high-availability/15-global-syscache.md index d7f8243001af307e4d2ffe8196c3457ca617b67a..eb86688daf6015afe4ed5df3ba9243b60510e295 100644 --- a/product/en/docs-mogdb/v3.1/characteristic-description/high-availability/15-global-syscache.md +++ b/product/en/docs-mogdb/v3.1/characteristic-description/high-availability/15-global-syscache.md @@ -19,7 +19,7 @@ Global SysCache is the global and local caches of system catalog data. Figure 1 **Figure 1** Global SysCache principle - ![Global-SysCache原理图](https://cdn-mogdb.enmotech.com/docs-media/mogdb/characteristic-description/Global-SysCache.png) + ![Global-SysCache principle](https://cdn-mogdb.enmotech.com/docs-media/mogdb/characteristic-description/Global-SysCache-en.jpg) ## Benefits diff --git a/product/en/docs-mogdb/v5.0/characteristic-description/high-availability/15-global-syscache.md b/product/en/docs-mogdb/v5.0/characteristic-description/high-availability/15-global-syscache.md index 96a606225b62bfffdf28c6de9d8400321cb2aa5c..33a39fd519d8dba368a8854becb7edcd5bb4a609 100644 --- a/product/en/docs-mogdb/v5.0/characteristic-description/high-availability/15-global-syscache.md +++ b/product/en/docs-mogdb/v5.0/characteristic-description/high-availability/15-global-syscache.md @@ -1,47 +1,47 @@ ---- -title: Global SysCache -summary: Global SysCache -author: Guo Huan -date: 2022-05-10 ---- - -# Global SysCache - -## Availability - -This feature is available since MogDB 3.0.0. - -## Introduction - -Global SysCache is the global and local caches of system catalog data. Figure 1 illustrates the principle. - -**Figure 1** Global SysCache principle - - ![Global-SysCache原理图](https://cdn-mogdb.enmotech.com/docs-media/mogdb/characteristic-description/Global-SysCache.png) - -## Benefits - -Global SysCache reduces the cache memory usage of database processes and improves the concurrent expansion capability of a database. - -## Description - -Global SysCache decouples the system cache from sessions and binds them to threads to reduce the memory usage together with the thread pool feature. In addition, it is used to improve the cache hit rate and ensure stable performance. - -## Enhancements - -Supports more concurrent queries. - -## Constraints - -- Set **enable_global_syscache** to **on**. You are advised to set **enable_thread_pool** to **on**. -- When the number of databases is large and the value of **global_syscache_threshold** is small, memory control cannot work properly and the performance deteriorates. -- Distributed time series tasks are not supported. The memory control and performance of these tasks are not affected by the GSC feature. -- If **wal_level** is set to **minimal** or **archive**, the query performance of the standby server deteriorates and short connections are used. - -## Dependencies - -The memory reduction capability of this feature depends on the thread pool feature. - -## Related Pages - +--- +title: Global SysCache +summary: Global SysCache +author: Guo Huan +date: 2022-05-10 +--- + +# Global SysCache + +## Availability + +This feature is available since MogDB 3.0.0. + +## Introduction + +Global SysCache is the global and local caches of system catalog data. Figure 1 illustrates the principle. + +**Figure 1** Global SysCache principle + + ![Global-SysCache principle](https://cdn-mogdb.enmotech.com/docs-media/mogdb/characteristic-description/Global-SysCache-en.jpg) + +## Benefits + +Global SysCache reduces the cache memory usage of database processes and improves the concurrent expansion capability of a database. + +## Description + +Global SysCache decouples the system cache from sessions and binds them to threads to reduce the memory usage together with the thread pool feature. In addition, it is used to improve the cache hit rate and ensure stable performance. + +## Enhancements + +Supports more concurrent queries. + +## Constraints + +- Set **enable_global_syscache** to **on**. You are advised to set **enable_thread_pool** to **on**. +- When the number of databases is large and the value of **global_syscache_threshold** is small, memory control cannot work properly and the performance deteriorates. +- Distributed time series tasks are not supported. The memory control and performance of these tasks are not affected by the GSC feature. +- If **wal_level** is set to **minimal** or **archive**, the query performance of the standby server deteriorates and short connections are used. + +## Dependencies + +The memory reduction capability of this feature depends on the thread pool feature. + +## Related Pages + [Global SysCache Parameters](../../reference-guide/guc-parameters/global-syscache-parameters.md) \ No newline at end of file diff --git a/product/en/docs-mogdb/v5.0/high-available-guide/cluster-management/manual-configuration-of-vip.md b/product/en/docs-mogdb/v5.0/high-available-guide/cluster-management/manual-configuration-of-vip.md index 4e4e621369020062226aa121c81111a6fb625837..c4536412f840883a529f07451411430e56a3ffc4 100644 --- a/product/en/docs-mogdb/v5.0/high-available-guide/cluster-management/manual-configuration-of-vip.md +++ b/product/en/docs-mogdb/v5.0/high-available-guide/cluster-management/manual-configuration-of-vip.md @@ -74,9 +74,9 @@ cm_ctl res --add --res_name="VIP_az" --res_attr="resources_type=VIP, float_ip=" +                "inst_attr":    "base_ip="               },               {"node_id":      2,                 "res_instance_id":      6002, -                "inst_attr":    "base_ip=" +                "inst_attr":    "base_ip="               },               {"node_id":      3,                 "res_instance_id":      6003, -                "inst_attr":    "base_ip=" +                "inst_attr":    "base_ip="               }],           "float_ip":     ""         } diff --git a/product/en/docs-mogdb/v5.0/toc.md b/product/en/docs-mogdb/v5.0/toc.md index 1c68487bdee07e8336f1a7f4c9fa0c272983ad0b..5d030f36f5e2f88d55810cefdbe7669874736312 100644 --- a/product/en/docs-mogdb/v5.0/toc.md +++ b/product/en/docs-mogdb/v5.0/toc.md @@ -70,7 +70,7 @@ + [Ordering Operator Optimization](/characteristic-description/high-performance/ordering-operator-optimization.md) + [OCK-accelerated Data Transmission](/characteristic-description/high-performance/ock-accelerated-data-transmission.md) + [OCK SCRLock Accelerate Distributed Lock](/characteristic-description/high-performance/ock-scrlock-accelerate-distributed-lock.md) - + [Enhancement of WAL Redo Performance](/characteristic-description/high-performance/enhancement-of-log-replay-performance.md) + + [Enhancement of WAL Redo Performance](/characteristic-description/high-performance/enhancement-of-wal-redo-performance.md) + [High Availability (HA)](/characteristic-description/high-availability/high-availability.md) + [Primary/Standby](/characteristic-description/high-availability/1-primary-standby.md) + [Logical Replication](/characteristic-description/high-availability/2-logical-replication.md) diff --git a/product/en/docs-mogdb/v5.0/toc_characteristic_description.md b/product/en/docs-mogdb/v5.0/toc_characteristic_description.md index 699d6cc98c1d8321daf7d9ceaaa00b76f4845572..0f927b9c950afdd9eaf6b96701b8fc39434d2227 100644 --- a/product/en/docs-mogdb/v5.0/toc_characteristic_description.md +++ b/product/en/docs-mogdb/v5.0/toc_characteristic_description.md @@ -28,7 +28,7 @@ + [Ordering Operator Optimization](/characteristic-description/high-performance/ordering-operator-optimization.md) + [OCK-accelerated Data Transmission](/characteristic-description/high-performance/ock-accelerated-data-transmission.md) + [OCK SCRLock Accelerate Distributed Lock](/characteristic-description/high-performance/ock-scrlock-accelerate-distributed-lock.md) - + [Enhancement of WAL Redo Performance](/characteristic-description/high-performance/enhancement-of-log-replay-performance.md) + + [Enhancement of WAL Redo Performance](/characteristic-description/high-performance/enhancement-of-wal-redo-performance.md) + [High Availability (HA)](/characteristic-description/high-availability/high-availability.md) + [Primary/Standby](/characteristic-description/high-availability/1-primary-standby.md) + [Logical Replication](/characteristic-description/high-availability/2-logical-replication.md) diff --git a/product/en/docs-mogdb/v6.0/characteristic-description/high-availability/15-global-syscache.md b/product/en/docs-mogdb/v6.0/characteristic-description/high-availability/15-global-syscache.md index 883c278c966240e59d5da633cbbfee2bedf8f31c..33a39fd519d8dba368a8854becb7edcd5bb4a609 100644 --- a/product/en/docs-mogdb/v6.0/characteristic-description/high-availability/15-global-syscache.md +++ b/product/en/docs-mogdb/v6.0/characteristic-description/high-availability/15-global-syscache.md @@ -17,7 +17,7 @@ Global SysCache is the global and local caches of system catalog data. Figure 1 **Figure 1** Global SysCache principle - ![Global-SysCache原理图](https://cdn-mogdb.enmotech.com/docs-media/mogdb/characteristic-description/Global-SysCache.png) + ![Global-SysCache principle](https://cdn-mogdb.enmotech.com/docs-media/mogdb/characteristic-description/Global-SysCache-en.jpg) ## Benefits diff --git a/product/en/docs-mogdb/v6.0/high-available-guide/cluster-management/manual-configuration-of-vip.md b/product/en/docs-mogdb/v6.0/high-available-guide/cluster-management/manual-configuration-of-vip.md index 4e4e621369020062226aa121c81111a6fb625837..c4536412f840883a529f07451411430e56a3ffc4 100644 --- a/product/en/docs-mogdb/v6.0/high-available-guide/cluster-management/manual-configuration-of-vip.md +++ b/product/en/docs-mogdb/v6.0/high-available-guide/cluster-management/manual-configuration-of-vip.md @@ -74,9 +74,9 @@ cm_ctl res --add --res_name="VIP_az" --res_attr="resources_type=VIP, float_ip=" +                "inst_attr":    "base_ip="               },               {"node_id":      2,                 "res_instance_id":      6002, -                "inst_attr":    "base_ip=" +                "inst_attr":    "base_ip="               },               {"node_id":      3,                 "res_instance_id":      6003, -                "inst_attr":    "base_ip=" +                "inst_attr":    "base_ip="               }],           "float_ip":     ""         } diff --git a/product/en/docs-mogdb/v6.0/toc.md b/product/en/docs-mogdb/v6.0/toc.md index 63af37e199365d873a13df488af3186d2011c3f1..8332e74c990d767148082726c0f26bc31c7f2e03 100644 --- a/product/en/docs-mogdb/v6.0/toc.md +++ b/product/en/docs-mogdb/v6.0/toc.md @@ -65,7 +65,7 @@ + [Ordering Operator Optimization](/characteristic-description/high-performance/ordering-operator-optimization.md) + [OCK-accelerated Data Transmission](/characteristic-description/high-performance/ock-accelerated-data-transmission.md) + [OCK SCRLock Accelerate Distributed Lock](/characteristic-description/high-performance/ock-scrlock-accelerate-distributed-lock.md) - + [Enhancement of WAL Redo Performance](/characteristic-description/high-performance/enhancement-of-log-replay-performance.md) + + [Enhancement of WAL Redo Performance](/characteristic-description/high-performance/enhancement-of-wal-redo-performance.md) + [High Availability (HA)](/characteristic-description/high-availability/high-availability.md) + [Primary/Standby](/characteristic-description/high-availability/1-primary-standby.md) + [Logical Replication](/characteristic-description/high-availability/2-logical-replication.md) diff --git a/product/en/docs-mogdb/v6.0/toc_characteristic_description.md b/product/en/docs-mogdb/v6.0/toc_characteristic_description.md index 5fefac7a7b00c05e2ec0b025e26b9ffc104689c0..a11f0ecc9e4163c9eac532fe9de73e68c9dfb72d 100644 --- a/product/en/docs-mogdb/v6.0/toc_characteristic_description.md +++ b/product/en/docs-mogdb/v6.0/toc_characteristic_description.md @@ -28,7 +28,7 @@ + [Ordering Operator Optimization](/characteristic-description/high-performance/ordering-operator-optimization.md) + [OCK-accelerated Data Transmission](/characteristic-description/high-performance/ock-accelerated-data-transmission.md) + [OCK SCRLock Accelerate Distributed Lock](/characteristic-description/high-performance/ock-scrlock-accelerate-distributed-lock.md) - + [Enhancement of WAL Redo Performance](/characteristic-description/high-performance/enhancement-of-log-replay-performance.md) + + [Enhancement of WAL Redo Performance](/characteristic-description/high-performance/enhancement-of-wal-redo-performance.md) + [High Availability (HA)](/characteristic-description/high-availability/high-availability.md) + [Primary/Standby](/characteristic-description/high-availability/1-primary-standby.md) + [Logical Replication](/characteristic-description/high-availability/2-logical-replication.md) diff --git a/product/zh/docs-mogdb/v5.0/reference-guide/guc-parameters/connection-and-authentication/connection-settings.md b/product/zh/docs-mogdb/v5.0/reference-guide/guc-parameters/connection-and-authentication/connection-settings.md index f9c3af377780ef0bf69a76ba09c94631493ce8e7..9a4291d2720abc65b75cc1376ed2c1a513a3c9c5 100644 --- a/product/zh/docs-mogdb/v5.0/reference-guide/guc-parameters/connection-and-authentication/connection-settings.md +++ b/product/zh/docs-mogdb/v5.0/reference-guide/guc-parameters/connection-and-authentication/connection-settings.md @@ -248,7 +248,7 @@ Unix域套接字使用普通的Unix文件系统权限集。这个参数的值应 ## b_compatibility_user_host_auth -**参数说明**：控制是否允许创建user@host、'user'@'host'之类的用户并兼容mysql的user@host认证鉴权，对兼容mysql的user@host进行认证时，需要在配置文件postgresql.conf中设为on。 +**参数说明**：控制是否允许创建`user@host`、`'user'@'host'`之类的用户并兼容mysql的`user@host`认证鉴权，对兼容mysql的`user@host`进行认证时，需要在配置文件postgresql.conf中设为on。 **取值范围**：布尔型 diff --git a/product/zh/docs-mogdb/v6.0/high-available-guide/cluster-management/safety-design.md b/product/zh/docs-mogdb/v6.0/high-available-guide/cluster-management/safety-design.md index 55c874092a0abd073de1114e4b0eb87e3991e315..9cbc3acd7467626ff789efbb45285cfed5219076 100644 --- a/product/zh/docs-mogdb/v6.0/high-available-guide/cluster-management/safety-design.md +++ b/product/zh/docs-mogdb/v6.0/high-available-guide/cluster-management/safety-design.md @@ -11,7 +11,7 @@ date: 2023-04-07 - 创建自认证证书 - 自认证证书生成请参考（[证书生成](../../../security-guide/security/1-client-access-authentication.md#证书生成)）。 + 自认证证书生成请参考（[证书生成](../../security-guide/security/1-client-access-authentication.md#证书生成)）。 对私钥密码的保护，使用cm encrypt工具，请参考[cm_ctl工具介绍](./introduction-to-cm_ctl-tool.md)。