AWS emr documentation change
Summary
Clarified billing details for WAL read operations, specifying scenarios like cluster restoration and crash recovery
Security assessment
The change only provides billing clarification without any security context, vulnerability references, or security feature descriptions.
Diff
diff --git a/emr/latest/ReleaseGuide/emr-hbase-wal-metrics.md b/emr/latest/ReleaseGuide/emr-hbase-wal-metrics.md index 0de6a0af3..caea1ed03 100644 --- a//emr/latest/ReleaseGuide/emr-hbase-wal-metrics.md +++ b//emr/latest/ReleaseGuide/emr-hbase-wal-metrics.md @@ -11,2 +11,7 @@ Core feature billing unit | Details -EMR-WAL-Read-GiB | API calls to read data from your table are billed as ReadRequestGiB. This includes Get and Scan operations. Reads are charged based on the sizes of the read items. Amazon EMR bills at a minimum of 1 byte. For example, if you read a 1234.12 bytes item, you're charged for 1235 bytes. Reads are aggregated every hour for billing and shown as GiBs. -EMR-WAL-Write-GiB | API calls to write data from your table are billed as Write-GiB. This includes Put operations. Writes are charged based on the sizes of the written items. Amazon EMR bills at a minimum of 1 byte. For example, if you write a 1234.12 bytes item, you're charged for 1235 bytes. Writes are aggregated every hour for billing and shown as GiBs. +EMR-WAL-Read-GiB | API calls to read data for your table are billed as ReadRequestGiB. In HBase, standard table read operations like Get and Scan do not involve Write-Ahead Logs (WALs). The EMR-WAL-Read-GiB charge is specifically related to operations that involve reading from WALs, such as: + + 1. Restoring from EMR WALs in a new cluster. + 2. Restoring from EMR WALs for a crashed Region Server (for example, WALs replay). + +Reads are charged based on the sizes of the read items. Amazon EMR bills at a minimum of 1 byte. For example, if you read an item that is 1234.12 bytes, you are charged for 1235 bytes. Reads are aggregated every hour for billing and shown as GiBs. +EMR-WAL-Write-GiB | API calls to write data for your table are billed as Write-GiB. This includes put operations, where data is written to EMR WAL. Writes are charged based on the sizes of the written items. Amazon EMR bills at a minimum of 1 byte. For example, if you write an item that is 1234.12 bytes, you are charged for 1235 bytes. Writes are aggregated every hour for billing and shown as GiBs.