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[improvement] Small cache size #1775

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@stenya stenya commented Dec 16, 2024

(2 ^ 8) = (2 XOR 8) = 10.
Was it intended to be 256?

Summary by CodeRabbit

  • Bug Fixes
    • Updated the cache size configuration for improved database performance.

(2 ^ 8) = (2 XOR 8) = 10.
Was it intended to be 256?
@stenya stenya requested a review from dhaavi December 16, 2024 14:02
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coderabbitai bot commented Dec 16, 2024

📝 Walkthrough

Walkthrough

The pull request introduces a minor configuration change in the service/intel/filterlists/database.go file. Specifically, the CacheSize parameter for the database interface is modified from 2 ^ 8 to the explicit value 256. This change adjusts the cache size configuration for the database interface while maintaining the existing code structure and functionality.

Changes

File Change Summary
service/intel/filterlists/database.go Updated CacheSize from 2 ^ 8 to 256 in database interface initialization

The change is straightforward and does not impact the overall logic or behavior of the code beyond the cache size configuration.

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@stenya stenya requested a review from vlabo December 16, 2024 14:03
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Actionable comments posted: 1

📜 Review details

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

📥 Commits

Reviewing files that changed from the base of the PR and between 6e173e3 and df70c70.

📒 Files selected for processing (1)
  • service/intel/filterlists/database.go (1 hunks)
🔇 Additional comments (1)
service/intel/filterlists/database.go (1)

53-53: Verify cache size adequacy

The cache size of 256 seems small considering the batch processing size of 1000 records. Let's verify if this cache size is adequate for the typical workload.

@@ -50,7 +50,7 @@ var (
var cache = database.NewInterface(&database.Options{
Local: true,
Internal: true,
CacheSize: 2 ^ 8,
CacheSize: 256,
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⚠️ Potential issue

Fix critical bug: Correct cache size from XOR to power operation

The change from 2 ^ 8 to 256 fixes a critical bug where the XOR operator (^) was mistakenly used instead of power operation, resulting in a cache size of 10 instead of 256 (2⁸).

Consider adding a constant to make the intention clear:

+const (
+    // defaultCacheSize is 2⁸, providing reasonable caching for filter list entries
+    defaultCacheSize = 256
+)

var cache = database.NewInterface(&database.Options{
    Local:     true,
    Internal:  true,
-    CacheSize: 256,
+    CacheSize: defaultCacheSize,
})

Committable suggestion skipped: line range outside the PR's diff.

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