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Merged
merged 1 commit into from
Dec 19, 2024
Merged

delete-cpu-limit #535

merged 1 commit into from
Dec 19, 2024

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klinch0
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@klinch0 klinch0 commented Dec 19, 2024

Summary by CodeRabbit

  • New Features
    • Enhanced resource management for the VMCluster resource, specifically for the vmstorage component.
    • Added resource specifications including memory limits and CPU requests.

@klinch0 klinch0 requested a review from kvaps as a code owner December 19, 2024 12:05
@dosubot dosubot bot added the size:XS This PR changes 0-9 lines, ignoring generated files. label Dec 19, 2024
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coderabbitai bot commented Dec 19, 2024

Walkthrough

The pull request introduces resource configuration for the vmstorage component in the VMCluster configuration. By adding explicit resources specifications, the configuration now defines memory and CPU limits and requests for the storage component, which helps in managing computational resources more precisely within the VictoriaMetrics monitoring infrastructure.

Changes

File Change Summary
packages/extra/monitoring/templates/vm/vmcluster.yaml Added resources configuration for vmstorage with memory limits of 1000Mi and CPU/memory requests of 100m and 500Mi respectively

Poem

🐰 In metrics' realm, a rabbit's delight,
Resources now dance with measured might
Storage component, trim and neat
With limits set, performance sweet
VMCluster sings a balanced song! 📊


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Actionable comments posted: 1

🧹 Nitpick comments (1)
packages/extra/monitoring/templates/vm/vmcluster.yaml (1)

38-42: Consider reviewing memory limits for production workloads.

The current memory limit of 1000Mi might be restrictive for the vmstorage component, especially:

  • During high cardinality metrics ingestion
  • When handling concurrent queries
  • During background compaction operations

Consider:

  1. Implementing horizontal pod autoscaling based on memory usage
  2. Monitoring memory usage patterns in production to determine optimal limits
  3. Implementing a graduated limit increase strategy based on workload metrics
📜 Review details

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

📥 Commits

Reviewing files that changed from the base of the PR and between abc8f08 and 84aa505.

📒 Files selected for processing (1)
  • packages/extra/monitoring/templates/vm/vmcluster.yaml (1 hunks)

Comment on lines +37 to +42
resources:
limits:
memory: 1000Mi
requests:
cpu: 100m
memory: 500Mi
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💡 Codebase verification

Resource configuration inconsistency found in vminsert component

Looking at the complete VMCluster configuration, I notice that while vmselect and vmstorage have consistent resource configurations (memory limits/requests and CPU requests without CPU limits), the vminsert component has empty resource specifications (resources: {}). This inconsistency should be addressed for better resource management across all components.

  • vminsert component at line 10 has empty resource specifications, while other components have standardized configurations
  • Consider applying the same resource pattern to vminsert:
    resources:
      limits:
        memory: 1000Mi
      requests:
        cpu: 100m
        memory: 500Mi
🔗 Analysis chain

LGTM! Resource configuration aligns with PR objective.

The resource configuration correctly omits CPU limits while maintaining memory limits and requests, which aligns with the PR objective to delete CPU limits. The values are consistent with the existing vmselect configuration.

Let's verify if similar resource configurations should be applied to vminsert for consistency:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check resource configurations across VictoriaMetrics deployments
# Look for any other VMCluster configurations that might need similar updates

# Search for VMCluster configurations
rg -l "kind:\s*VMCluster" --type yaml

# Search for resource configurations in VMCluster components
rg "vm(insert|select|storage):\s*\n\s*(\w+:\s*\w+\s*)*\s*resources:" --type yaml -A 10

Length of output: 559


Script:

#!/bin/bash
# Let's modify the search pattern to find resource configurations in VMCluster components
# Search in the specific vmcluster.yaml file we're reviewing
cat packages/extra/monitoring/templates/vm/vmcluster.yaml

Length of output: 1287

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LGTM

@dosubot dosubot bot added the lgtm This PR has been approved by a maintainer label Dec 19, 2024
@kvaps kvaps merged commit cfe86c0 into cozystack:main Dec 19, 2024
1 check passed
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