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@themarolt themarolt commented Jan 13, 2025

Changes proposed ✍️

What

copilot:summary

copilot:poem

Why

How

copilot:walkthrough

Checklist ✅

  • Label appropriately with Feature, Improvement, or Bug.
  • Add screenshots to the PR description for relevant FE changes
  • New backend functionality has been unit-tested.
  • API documentation has been updated (if necessary) (see docs on API documentation).
  • Quality standards are met.

Summary by CodeRabbit

  • Configuration

    • Added dynamic worker concurrency configuration using environment variables
    • Introduced configurable maximum worker concurrency
  • Performance Monitoring

    • Added method to retrieve queue message count
    • Implemented periodic queue statistics logging
  • Service Updates

    • Renamed method for processing activity results
    • Enhanced error handling in result processing
    • Modified result creation and error tracking logic
  • Repository Changes

    • Updated result management methods
    • Removed explicit result creation method
    • Added optional result creation during error marking and delay operations

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Walkthrough

The pull request introduces modifications across multiple services to enhance configurability and refine result processing logic. The changes primarily focus on the WorkerQueueReceiver and DataSinkService classes, introducing dynamic concurrency configuration, renaming methods, and updating error handling mechanisms. The modifications aim to make the data sink worker more flexible and provide more granular control over message processing and result management.

Changes

File Change Summary
services/apps/data_sink_worker/src/queue/index.ts - Replaced hardcoded concurrency value with dynamic environment variable configuration
- Updated method call from createAndProcessActivityResult to processActivityInMemoryResult
services/apps/data_sink_worker/src/service/dataSink.service.ts - Renamed createAndProcessActivityResult to processActivityInMemoryResult
- Updated triggerResultError method with new isCreated parameter
- Modified result ID generation using generateUUIDv1()
services/libs/data-access-layer/src/old/apps/data_sink_worker/repo/dataSink.repo.ts - Removed createResult method
- Updated markResultError and delayResult methods to support optional result creation
- Added error handling and logging for new insert operations
services/libs/queue/src/vendors/kafka/client.ts - Added getQueueMessageCount method to retrieve message count in Kafka topic
- Introduced statistics interval for periodic queue monitoring
- Changed logging level for message processing

Sequence Diagram

sequenceDiagram
    participant Worker as WorkerQueueReceiver
    participant Service as DataSinkService
    participant Repo as DataSinkRepository

    Worker->>Service: processActivityInMemoryResult()
    Service->>Service: Generate Result ID
    Service->>Repo: Mark Result/Trigger Error
    alt Result Exists
        Repo-->>Service: Update Result
    else Result Not Exists
        Repo-->>Service: Create New Result
    end
    Service-->>Worker: Return Processing Result
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Possibly related PRs

Poem

🐰 In the realm of queues and data's flow,
A rabbit hops with changes to bestow
Concurrency dynamic, results refined
With each hop, new logic we've designed
Kafka whispers, services align! 🚀


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@themarolt themarolt marked this pull request as ready for review January 13, 2025 17:02
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Actionable comments posted: 3

🧹 Nitpick comments (4)
services/libs/data-access-layer/src/old/apps/data_sink_worker/repo/dataSink.repo.ts (2)

Line range hint 4-4: Remove unused import 'IIntegrationResult'

The import IIntegrationResult at line 4 is defined but never used, leading to a linter warning in the pipeline.

Apply this diff to remove the unused import:

-import { IIntegrationResult, IntegrationResultState } from '@crowd/types'
+import { IntegrationResultState } from '@crowd/types'

128-165: Refactor duplicated logic in 'markResultError' and 'delayResult' methods

The methods markResultError and delayResult contain similar logic when handling the resultToCreate parameter, including database insertion and update operations.

Consider abstracting the common code into a private helper method to reduce duplication and improve maintainability.

Also applies to: 269-310

services/apps/data_sink_worker/src/service/dataSink.service.ts (1)

Line range hint 45-73: Clarify the use of 'isCreated' flag in 'triggerResultError' method

The isCreated parameter is used to decide whether to pass undefined or resultInfo to markResultError and delayResult methods. This logic can be confusing and may lead to unintended behavior.

Consider refactoring or adding comments to make the intent behind the isCreated flag clearer. This will help future maintainers understand when and why a new result is created versus updating an existing one.

services/libs/queue/src/vendors/kafka/client.ts (1)

45-76: Consider caching the admin client connection.

The method creates and closes an admin client connection for each call. For frequent statistics gathering, this could be inefficient.

Consider maintaining a single admin client instance at the class level:

export class KafkaQueueService extends LoggerBase implements IQueue {
+  private adminClient: Admin;
+
+  private async getAdminClient(): Promise<Admin> {
+    if (!this.adminClient) {
+      this.adminClient = this.client.admin();
+      await this.adminClient.connect();
+    }
+    return this.adminClient;
+  }
+
   async getQueueMessageCount(conf: IKafkaChannelConfig): Promise<number> {
-    const admin = this.client.admin()
-    await admin.connect()
+    const admin = await this.getAdminClient();
     try {
       // ... existing code ...
-    } finally {
-      await admin.disconnect()
     }
   }
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 4631e5c and 8728694.

📒 Files selected for processing (4)
  • services/apps/data_sink_worker/src/queue/index.ts (2 hunks)
  • services/apps/data_sink_worker/src/service/dataSink.service.ts (6 hunks)
  • services/libs/data-access-layer/src/old/apps/data_sink_worker/repo/dataSink.repo.ts (2 hunks)
  • services/libs/queue/src/vendors/kafka/client.ts (5 hunks)
🧰 Additional context used
🪛 GitHub Actions: Node.js CI
services/libs/data-access-layer/src/old/apps/data_sink_worker/repo/dataSink.repo.ts

[warning] 4-4: 'IIntegrationResult' is defined but never used

🔇 Additional comments (2)
services/apps/data_sink_worker/src/service/dataSink.service.ts (1)

276-279: Ensure consistent handling of result deletion in 'processResult' method

In the processResult method, the result is deleted if result is not provided:

if (!result) {
  await this.repo.deleteResult(resultId)
}

Confirm that deleting the result when result is undefined is the intended behavior. It's important to ensure that this logic does not inadvertently delete results that are still needed, especially if resultInfo was fetched from the database.

Also applies to: 286-286

✅ Verification successful

Result deletion is correctly implemented as cleanup mechanism

The deletion of results when result is not found is intentional and safe. The code first attempts to use the provided result, and if not available, tries to fetch it from the database. The deletion only occurs when both attempts fail, effectively cleaning up orphaned result references. This is properly tracked with telemetry and logging.

🏁 Scripts executed

The following scripts were executed for the analysis:

Error: No shell scripts found


Script:

#!/bin/bash
# Find the complete implementation of processResult method
ast-grep --pattern 'async processResult($_) {
  $$$
}'

# Search for deleteResult usage and surrounding context
rg "deleteResult" -B 3 -A 3

# Look for any comments mentioning result deletion
rg -i "delete.*result|result.*delete" -B 2 -A 2

Length of output: 7332


Script:

#!/bin/bash
# Find processResult method implementation with more context
rg "processResult" -B 10 -A 20

# Look for test files related to dataSink
fd "dataSink.*test|dataSink.*spec" --type f

Length of output: 7066

services/libs/queue/src/vendors/kafka/client.ts (1)

414-414: LGTM: Proper cleanup of statistics interval.

The cleanup of the statistics interval in the error handler is correctly implemented.

client,
client.getQueueChannelConfig(CrowdQueue.DATA_SINK_WORKER),
3,
Number(process.env.WORKER_MAX_CONCURRENCY || 1),
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💡 Codebase verification

Environment variable validation is needed for worker concurrency

The review suggestion is valid. The current implementation allows for potentially problematic values (negative numbers, non-integers, or NaN) which could affect the queue processing system's stability. The suggested validation ensures a positive integer value while maintaining the fallback behavior.

🔗 Analysis chain

Validate 'WORKER_MAX_CONCURRENCY' environment variable

The concurrency level is set using Number(process.env.WORKER_MAX_CONCURRENCY || 1). If WORKER_MAX_CONCURRENCY is not a valid number or is less than 1, it may lead to unexpected behavior.

Consider adding validation to ensure that the concurrency level is a positive integer. For example:

+const maxConcurrencyEnv = Number(process.env.WORKER_MAX_CONCURRENCY || 1)
+const maxConcurrency = Number.isInteger(maxConcurrencyEnv) && maxConcurrencyEnv > 0 ? maxConcurrencyEnv : 1

 super(
   level,
   client,
   client.getQueueChannelConfig(CrowdQueue.DATA_SINK_WORKER),
-  Number(process.env.WORKER_MAX_CONCURRENCY || 1),
+  maxConcurrency,
   parentLog,
   undefined,
   undefined,
   10,
 )
🏁 Scripts executed

The following scripts were executed for the analysis:

Error: No shell scripts found


Script:

#!/bin/bash
# Get the complete implementation of the queue file
cat services/apps/data_sink_worker/src/queue/index.ts

# Look for similar environment variable validations
rg "process\.env\..*Number\(" -A 2 -B 2

# Search for any existing number validation patterns
ast-grep --pattern 'Number.isInteger($_)'

Length of output: 2971

Comment on lines +397 to +398
timings.push(duration)
this.log.debug(`Message processed successfully in ${duration.toFixed(2)}ms!`)
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🛠️ Refactor suggestion

Consider adding size bounds check when collecting timings.

Protect against memory issues by limiting the size of the timings array.

Apply this change to both success and error handlers:

 .then(() => {
   const duration = performance.now() - now
-  timings.push(duration)
+  if (timings.length < MAX_TIMINGS) {
+    timings.push(duration)
+  }
   this.log.debug(`Message processed successfully in ${duration.toFixed(2)}ms!`)
 })
 .catch((err) => {
   const duration = performance.now() - now
-  timings.push(duration)
+  if (timings.length < MAX_TIMINGS) {
+    timings.push(duration)
+  }
   this.log.error(err, `Message processed unsuccessfully in ${duration.toFixed(2)}ms!`)
 })

Also applies to: 402-403

Comment on lines +354 to +379
let timings = []

statisticsInterval = setInterval(async () => {
if (!this.started) {
clearInterval(statisticsInterval)
return
}

try {
// Reset the timings array and calculate the average processing time
const durations = [...timings]
timings = []

// Get the number of messages left in the queue
const count = await this.getQueueMessageCount(queueConf)

let message = `Topic has ${count} messages left!`
if (durations.length > 0) {
const average = durations.reduce((a, b) => a + b, 0) / durations.length
message += ` In the last minute ${durations.length} messages were processed (${(durations.length / 60.0).toFixed(2)} msg/s) - average processing time: ${average.toFixed(2)}ms!`
}
this.log.info({ topic: queueConf.name }, message)
} catch (err) {
// do nothing
}
}, 60000) // check every minute
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🛠️ Refactor suggestion

Improve error handling and memory management in statistics tracking.

  1. The empty catch block could hide important errors.
  2. The timings array should be size-bounded to prevent memory issues.

Consider these improvements:

-  let timings = []
+  const MAX_TIMINGS = 1000; // Prevent unbounded growth
+  let timings: number[] = [];

   statisticsInterval = setInterval(async () => {
     if (!this.started) {
       clearInterval(statisticsInterval)
       return
     }

     try {
       // Reset the timings array and calculate the average processing time
       const durations = [...timings]
       timings = []

       // Get the number of messages left in the queue
       const count = await this.getQueueMessageCount(queueConf)

       let message = `Topic has ${count} messages left!`
       if (durations.length > 0) {
         const average = durations.reduce((a, b) => a + b, 0) / durations.length
         message += ` In the last minute ${durations.length} messages were processed (${(
           durations.length / 60.0
         ).toFixed(2)} msg/s) - average processing time: ${average.toFixed(2)}ms!`
       }
       this.log.info({ topic: queueConf.name }, message)
     } catch (err) {
-      // do nothing
+      this.log.error({ err, topic: queueConf.name }, 'Failed to collect queue statistics')
     }
   }, 60000)
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
let timings = []
statisticsInterval = setInterval(async () => {
if (!this.started) {
clearInterval(statisticsInterval)
return
}
try {
// Reset the timings array and calculate the average processing time
const durations = [...timings]
timings = []
// Get the number of messages left in the queue
const count = await this.getQueueMessageCount(queueConf)
let message = `Topic has ${count} messages left!`
if (durations.length > 0) {
const average = durations.reduce((a, b) => a + b, 0) / durations.length
message += ` In the last minute ${durations.length} messages were processed (${(durations.length / 60.0).toFixed(2)} msg/s) - average processing time: ${average.toFixed(2)}ms!`
}
this.log.info({ topic: queueConf.name }, message)
} catch (err) {
// do nothing
}
}, 60000) // check every minute
const MAX_TIMINGS = 1000; // Prevent unbounded growth
let timings: number[] = [];
statisticsInterval = setInterval(async () => {
if (!this.started) {
clearInterval(statisticsInterval)
return
}
try {
// Reset the timings array and calculate the average processing time
const durations = [...timings]
timings = []
// Get the number of messages left in the queue
const count = await this.getQueueMessageCount(queueConf)
let message = `Topic has ${count} messages left!`
if (durations.length > 0) {
const average = durations.reduce((a, b) => a + b, 0) / durations.length
message += ` In the last minute ${durations.length} messages were processed (${(
durations.length / 60.0
).toFixed(2)} msg/s) - average processing time: ${average.toFixed(2)}ms!`
}
this.log.info({ topic: queueConf.name }, message)
} catch (err) {
this.log.error({ err, topic: queueConf.name }, 'Failed to collect queue statistics')
}
}, 60000) // check every minute

@themarolt themarolt merged commit 1982d91 into main Jan 13, 2025
7 checks passed
@themarolt themarolt deleted the test-queue-perf branch January 13, 2025 17:17
garrrikkotua pushed a commit that referenced this pull request Jan 14, 2025
joanagmaia pushed a commit that referenced this pull request Jan 14, 2025
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2 participants