balance

balance is a skill for Claude Code, Codex from StarRocks/starrocks-debug-skills. It costs 86 tokens per session (6,028 once invoked), scanned A, original, Apache-2.0.

A tablet-scheduler troubleshooting skill for a distributed database, where data is divided into tablets and copied across backend nodes for reliability and balancing.

In plain words
What is it for?
Use it to investigate replica repair, disk-usage imbalance, decommissioning, clone failures, scheduler throughput, and colocate-group instability.
Why use it?
It helps explain missing replicas, slow or overactive balancing, failed clone tasks, stuck node removal, and unstable colocated data groups.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to investigate replica repair, disk-usage imbalance, decommissioning, clone failures, scheduler throughput, and colocate-group instability.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/starrocks/starrocks-debug-skills/balance
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add StarRocks/starrocks-debug-skills --skill balance
Clone the repo
git clone --depth 1 https://github.com/StarRocks/starrocks-debug-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for balance

README.md
[![agentmods](https://agentmods.dev/badge/skills/starrocks/starrocks-debug-skills/balance/github.svg)](https://agentmods.dev/skills/starrocks/starrocks-debug-skills/balance)
Your own site
<a href="https://agentmods.dev/skills/starrocks/starrocks-debug-skills/balance"><img src="https://agentmods.dev/badge/skills/starrocks/starrocks-debug-skills/balance/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for balance

Your own site · 80×15
<a href="https://agentmods.dev/skills/starrocks/starrocks-debug-skills/balance"><img src="https://agentmods.dev/badge/skills/starrocks/starrocks-debug-skills/balance.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 86 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,028 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00086 $0.06028
Opus 5 $0.00043 $0.03014
Sonnet 5 $0.00017 $0.01206
Haiku 4.5 $0.00009 $0.00603

Measured 9d ago against content hash dc2eb8be50e8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

balance scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

**Option 1 — curl the FE HTTP port (immediate, no Prometheus needed)**
balance/SKILL.md · 662 lines

How it starts

The opening of the file, as written. The whole thing — 662 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Balance & Tablet Scheduler Troubleshooting

Investigation guide for tablet scheduling, cluster balance, replica repair, and decommission issues.

Five root causes account for the vast majority of cases:

  • Cause A — balance throughput too low (clone tasks not progressing)
  • Cause B — balance too aggressive (impacting writes and queries)
  • Cause C — decommission BE stuck (replicas cannot be relocated)
  • Cause D — clone task repeated failure (destination path or disk issues)
  • Cause E — colocate group unstable (group marked Unstable, balance loops)

Metric Taxonomy — Read This First

Before using any metrics, understand the two-layer structure:

FE-level metrics (aggregated, cross-node)

Metric name Meaning
starrocks_fe_scheduled_tablet_num Total tablets currently being scheduled (pending + running)
starrocks_fe_scheduled_pending_tablet_num{type="BALANCE"} Tablets waiting for a balance clone slot
starrocks_fe_scheduled_pending_tablet_num{type="REPAIR"} Tablets waiting for a repair clone slot
starrocks_fe_scheduled_running_tablet_num{type="BALANCE"} Balance clone tasks actively running
starrocks_fe_scheduled_running_tablet_num{type="REPAIR"} Repair clone tasks actively running
starrocks_fe_clone_task_total Cumulative clone tasks submitted
starrocks_fe_clone_task_success Cumulative clone tasks completed successfully
starrocks_fe_clone_task_copy_duration_ms{type="INTER_NODE"} Clone task copy duration for inter-node balance
starrocks_fe_clone_task_copy_bytes{type="INTER_NODE"} Bytes copied per clone task

BE-level metrics (per-node)

Metric name Meaning
starrocks_be_clone_task_copy_bytes{type="INTER_NODE"} Bytes transferred per clone on this BE
starrocks_be_clone_task_copy_duration_ms{type="INTER_NODE"} Clone duration on this BE
starrocks_be_engine_requests_total{status="failed",type="clone"} Failed clone requests on this BE

Read the full file on GitHub · 662 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 662 lines · 86 tokens per session scan A dc2eb8be50e8

Subscribe to this mod's changes

balance is a skill published in the GitHub repository StarRocks/starrocks-debug-skills (75 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 86 tokens to every session and 6,028 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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