Fix Guides
How do I fix it?
Practical, step-by-step remediation guides for the most common CPU performance and monitoring problems.
Why is CPU usage high? Causes, evidence, and fixes
Learn why CPU usage gets high, how to identify the real cause, and what to fix first.
Read fix guide →CPU usage 100 percent fix: what to check first
CPU stuck at 100 percent? Learn the fastest way to identify the hot process and underlying cause.
Read fix guide →CPU high but nothing running: what it usually means
If CPU is high but no obvious app is active, the problem is often kernel work, hidden processes, or scheduler pressure.
Read fix guide →Node high CPU usage: causes and fixes
Diagnose high CPU in Node.js apps, from event loop abuse to JSON serialization and blocking work.
Read fix guide →Node process 100 CPU fix
When a Node process hits 100% CPU, identify the hot path, blocking code, and next fix quickly.
Read fix guide →Node server CPU spike: how to diagnose it
Find the real cause of Node server CPU spikes using process history, profiling, and bottleneck classification.
Read fix guide →Python high CPU usage: common causes and fixes
Diagnose Python CPU issues caused by loops, parsing, data processing, workers, and blocking architecture.
Read fix guide →Python script using 100 CPU: what it means
A Python script at 100% CPU usually indicates tight loops, repeated work, or heavy transforms. Here's how to diagnose it.
Read fix guide →Python infinite loop CPU: how to spot it
Learn how Python infinite loops create CPU saturation and how to prove it quickly.
Read fix guide →Java high CPU usage: how to diagnose it
Track down Java CPU issues from hot methods to GC pressure and excessive threading.
Read fix guide →Java process 100 CPU fix
A Java process at 100% CPU needs classification: hot methods, lock contention, or GC pressure.
Read fix guide →Postgres high CPU usage: likely causes and fixes
Find out whether Postgres CPU is caused by queries, disk bottlenecks, memory pressure, or concurrency.
Read fix guide →MySQL high CPU usage: how to find the root cause
Diagnose MySQL CPU issues by separating query pressure, disk waits, and memory bottlenecks.
Read fix guide →Database causing high CPU: what to check
If your database is causing high CPU, classify whether it is query cost, storage pressure, or memory pressure.
Read fix guide →System process high CPU: what it means
When a system process is using high CPU, the issue may be kernel work, drivers, or hidden platform overhead.
Read fix guide →Kernel using high CPU: likely causes
If the kernel appears to be using high CPU, it often points to scheduling, IO, drivers, or system-level contention.
Read fix guide →kworker high CPU: what's going on
kworker processes are kernel worker threads. When they use high CPU, the cause is usually IO, interrupt handling, or driver activity.
Read fix guide →Docker high CPU usage: how to diagnose it
Diagnose Docker CPU issues by separating container overhead from application workload and host-level pressure.
Read fix guide →CPU high because disk is slow
When disk latency rises, CPU often follows. Learn how to identify and fix this pattern.
Read fix guide →CPU high because memory pressure
Memory pressure often manifests as high CPU through swap activity, cache misses, and allocation churn.
Read fix guide →CPU high because too many threads
Too many threads can waste CPU through context switching and contention overhead.
Read fix guide →CPU high because locking contention
Lock contention wastes CPU by making threads spin or block while waiting for shared resources.
Read fix guide →CPU high because network blocking
Network blocking can create CPU backlog when threads or workers pile up waiting on responses.
Read fix guide →CPU high because swap usage
Active swap means the system is under memory pressure, and CPU is rising from the extra work.
Read fix guide →CPU high because kernel scheduling
Kernel scheduling overhead can waste CPU when there are too many runnable tasks competing for cores.
Read fix guide →CPU high because database queries
Database query pressure is one of the most common sources of CPU issues in server environments.
Read fix guide →CPU high because infinite loop
An infinite loop is one of the simplest and most common causes of pegged CPU.
Read fix guide →CPU high because IO blocking
IO blocking can create CPU backlog and make systems look compute-bound when they are not.
Read fix guide →Sudden CPU spike causes: causes and fixes
Sudden CPU spike causes. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →CPU usage keeps jumping up and down: causes and fixes
CPU usage keeps jumping up and down. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →CPU stuck at 100 percent Linux: causes and fixes
CPU stuck at 100 percent Linux. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →CPU usage high after update: causes and fixes
CPU usage high after update. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →CPU usage high idle system: causes and fixes
CPU usage high idle system. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →High CPU usage server causes: causes and fixes
High CPU usage server causes. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →CPU overload symptoms: causes and fixes
CPU overload symptoms. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →Redis high cpu usage: causes and fixes
Redis high cpu usage. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →Nginx high cpu usage: causes and fixes
Nginx high cpu usage. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →Go goroutine leak cpu: causes and fixes
Go goroutine leak cpu. Learn the common causes, what evidence to look for, and what to fix first.
Read fix guide →Why CPU usage is high: evidence-based diagnosis
Why CPU usage is high. Synthesized from 1 real-world findings with actionable fixes.
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