From b62e60ed7e01d32cabd7fde65e95a5554d3345a6 Mon Sep 17 00:00:00 2001 From: shikhman Date: Thu, 6 Oct 2016 15:17:26 -0700 Subject: [PATCH] Fix documentation error in architecture doc ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=135411618 --- docs/app-engine-architecture.md | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/docs/app-engine-architecture.md b/docs/app-engine-architecture.md index 53409f958..b182823e4 100644 --- a/docs/app-engine-architecture.md +++ b/docs/app-engine-architecture.md @@ -50,11 +50,11 @@ users, but the longer it is down, the more obvious it will become that user-visible tasks such as DNS and deletion are not being handled in a timely manner. -The backend service is also where all MapReduces run, which includes some of the -aforementioned tasks such as RDE and asynchronous resource deletion, as well as -any one-off data migration MapReduces. Consequently, the backend service should -be sized to support not just the normal ongoing DNS load but also the load -incurred by MapReduces, both scheduled (such as RDE) and on-demand (asynchronous +The backend service is also where scheduled and automatically invoked MapReduces +run, which includes some of the aforementioned tasks such as RDE and +asynchronous resource deletion. Consequently, the backend service should be +sized to support not just the normal ongoing DNS load but also the load incurred +by MapReduces, both scheduled (such as RDE) and on-demand (asynchronous contact/host deletion). ### Tools service @@ -69,6 +69,10 @@ includes the server-side code to update premium lists, run EPP commands from the tool, and manually modify contacts/hosts/domains/and other resources. Problems with the tools service are not visible to users. +The tools service also runs ad-hoc MapReduces, like those invoked via `nomulus` +tool subcommands like `generate_zone_files` and by manually hitting URLs under +https://tools-dot-project-id.appspot.com, like `/_dr/task/refreshAllDomains`. + ## Task queues [Task queues](https://cloud.google.com/appengine/docs/java/taskqueue/) in App