Sony MathewandGitHub
4e410b78ff
## Description Reduces database pressure during large Intercom imports by deferring same-run contact and message statistic recounts until the page boundary, immediately before the cursor advances. Repeated mappings within a page now mark their statistic group dirty instead of running aggregate counts and persisting statistics for every record. Contact and message database attempts now retry once when PostgreSQL cancels a query. The failed transaction is allowed to roll back before the importer waits for a randomized 200-500 ms delay and retries. A recovered timeout creates no error; a second timeout follows the existing item/message failure path exactly once. Provider, validation, and other database errors are not retried. This is Phase 1, Task 3 of the [Intercom import optimization plan (CW-7615)](https://linear.app/chatwoot/issue/CW-7615/optimize-intercom-import-reliability-and-bulk-message-ingestion). This PR is stacked on #15051 and should be reviewed as the two-file delta from `codex/cw-7519-intercom-shorter-jobs-heartbeats`. ## Closes - Tracking plan: [CW-7615](https://linear.app/chatwoot/issue/CW-7615/optimize-intercom-import-reliability-and-bulk-message-ingestion) ## Type of change - [x] Bug fix (non-breaking change which fixes an issue) ## How to test 1. Retry a page whose contacts or messages already have same-run mappings and confirm imported/skipped statistics are reconciled before the page cursor advances. 2. Raise one `ActiveRecord::QueryCanceled` while persisting a contact mapping and confirm the transaction rolls back, retries, and creates one contact and mapping without an error. 3. Repeat for a message mapping and confirm one message and mapping are created without an error. 4. Raise the timeout on both attempts and confirm one final item/message error is recorded. 5. Raise an unrelated database error and confirm it is not retried. ## Checklist - [x] My code follows the style guidelines of this project - [x] I have performed a self-review of my code - [x] I have added tests that prove the change is effective - [x] New and existing focused tests pass locally with my changes
Chatwoot
The modern customer support platform, an open-source alternative to Intercom, Zendesk, Salesforce Service Cloud etc.
Chatwoot is the modern, open-source, and self-hosted customer support platform designed to help businesses deliver exceptional customer support experience. Built for scale and flexibility, Chatwoot gives you full control over your customer data while providing powerful tools to manage conversations across channels.
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