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                ## DynamoDB - [DynamoDB架構概述](../../Introduction/Architectureoverview/DynamoDB.md) - [v1 API 參考](../../v1APIreference/HTTPfilters/DynamoDB.md) - [v2 API 參考](../../v2APIreference/Filters/Networkfilters/HTTPconnectionmanager.md) ### 統計 DynamoDB過濾器輸出統計信息命名空間為`http.<stat_prefix>.dynamodb.`。其中`stat_prefix`來自所擁有的HTTP連接管理器。 每個操作的統計信息可以在命名空間`http.<stat_prefix>.dynamodb.operation.<operation_name>.`找到。 | 名稱 | 類型 | 描述 | | ------------- | ------------- | ------------- | | upstream_rq_total | Counter | Total number of requests with <operation_name> | | upstream_rq_time | Histogram | Time spent on <operation_name> | | upstream_rq_total_xxx | Counter | Total number of requests with <operation_name> per response code (503/2xx/etc) | | upstream_rq_time_xxx | Histogram | Time spent on <operation_name> per response code (400/3xx/etc) | 每個表的統計信息可以在命名空間`http.<stat_prefix>.dynamodb.table.<table_name>.`中找到。 DynamoDB的大部分操作都涉及單個表,但`BatchGetItem`和`BatchWriteItem`可以包含多個表,Envoy僅在所有批處理操作使用相同的表時才跟蹤每個表的統計信息。 | 名稱 | 類型 | 描述 | | ------------- | ------------- | ------------- | | upstream_rq_total | Counter | Total number of requests on <table_name> table | | upstream_rq_time | Histogram | Time spent on <table_name> table | | upstream_rq_total_xxx | Counter | Total number of requests on <table_name> table per response code (503/2xx/etc) | | upstream_rq_time_xxx | Histogram | Time spent on <table_name> table per response code (400/3xx/etc) | *免責聲明:請注意,這是尚未廣泛使用的預發行版本的Amazon DynamoDB功能。* 每個分區和操作統計信息可以在命名空間`http.<stat_prefix>.dynamodb.table.<table_name>.`找到。對于批量操作,Envoy僅在所有操作中使用相同的表時跟蹤每個分區和操作統計信息。 | 名稱 | 類型 | 描述 | | ------------- | ------------- | ------------- | | capacity.\<operation_name>.__partition_id=\<last_seven_characters_from_partition_id> | Counter | Total number of capacity for \<operation_name> on \<table_name> table for a given \<partition_id> | 其他詳細統計信息: - 對于4xx響應和部分批處理操作失敗,在命名空間` http.<stat_prefix>.dynamodb.error.<table_name>.`中跟蹤指定的表,失敗的總次數。 | 名稱 | 類型 | 描述 | | ------------- | ------------- | ------------- | | \<error_type> | Counter | Total number of specific \<error_type> for a given \<table_name> | | BatchFailureUnprocessedKeys | Counter | Total number of partial batch failures for a given \<table_name> | ### 運行時設置 DynamoDB過濾器支持以下運行時設置: - **dynamodb.filter_enabled**<br /> 啟用過濾器的請求百分比。默認是100%。 ## 返回 - [上一級](../HTTPfilters.md) - [首頁目錄](../../README.md)
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