Memcached Item Limits: Handle Maximum Item Count
Memcached doesn't actually have a "maximum item count" limit; it has a memory limit, and when that's full, it starts evicting older items.
Memcached Articles
49 articles
Memcached on Kubernetes: Deploy and Configure StatefulSet
Memcached on Kubernetes: Deploy and Configure StatefulSet The most surprising thing about running a stateful workload like Memcached on Kubernetes is th.
Fix Memcached Max Item Size Exceeded Errors
The Memcached MAXITEMSIZE error means a client tried to store an item larger than the configured limit, and the Memcached server rejected it.
Memcached Memory Efficiency: Maximize Storage Utilization
Memcached Memory Efficiency: Maximize Storage Utilization — practical guide covering memcached setup, configuration, and troubleshooting with real-world...
Memcached Multi-Get: Batch Reads for High Throughput
Memcached's get command is great for fetching a single item, but if you're fetching many items, one get after another is a performance killer.
Memcached Murmur Hash: Even Key Distribution
Memcached’s hashing algorithm for distributing keys across its nodes is surprisingly simple, yet remarkably effective at avoiding hotspots.
Memcached Key Namespacing: Organize Keys at Scale
Namespacing in Memcached isn't a built-in feature, but a convention you enforce to keep your key-value store from devolving into a chaotic mess as your .
Memcached Network Buffers: Tune for Low Latency
Memcached Network Buffers: Tune for Low Latency — practical guide covering memcached setup, configuration, and troubleshooting with real-world examples.
Memcached Serialization: Store Complex Objects Correctly
Storing complex objects in Memcached isn't as simple as just setting them directly; you need to serialize them first, and the library you choose has a s.
Memcached Persistent Memory: Survive Restarts with pmem
Memcached Persistent Memory: Survive Restarts with pmem — practical guide covering memcached setup, configuration, and troubleshooting with real-world e...
Memcached pylibmc: Python Client Configuration Guide
The most surprising thing about pylibmc is that its default configuration is often the source of its most baffling performance issues, not its actual co.
Memcached Read-Through and Write-Through Patterns
Memcached Read-Through and Write-Through Patterns — practical guide covering memcached setup, configuration, and troubleshooting with real-world examples.
Memcached to Redis Migration: When and How to Switch
Memcached to Redis Migration: When and How to Switch — practical guide covering memcached setup, configuration, and troubleshooting with real-world exam...
Memcached SASL Authentication: Secure Your Cache
Memcached SASL Authentication: Secure Your Cache — practical guide covering memcached setup, configuration, and troubleshooting with real-world examples.
Memcached Session Storage: Scale Web Sessions
Memcached Session Storage: Scale Web Sessions. Memcached session storage is surprisingly terrible at scaling web sessions. Let's see it in action
Memcached Slab Allocator: Understand Memory Management
Memcached's slab allocator is a surprisingly efficient, yet often misunderstood, approach to managing memory for a key-value store.
Fix Memcached Slab Imbalance and Memory Waste
Memcached is failing to evict older items and is reporting high memory usage, even though it's not serving all the data it should.
Memcached Slab Reassignment: Rebalance Memory Online
Reassigning slab classes in Memcached on the fly is how you dynamically adjust memory allocation without restarting the service, preventing a major perf.
Memcached spymemcached: Java Client Configuration
Spymemcached's client configuration is surprisingly flexible, allowing you to tune everything from connection timeouts to the very way it serializes you.
Memcached Stats Command: Read All Performance Metrics
The stats command in Memcached isn't just a single output; it's a gateway to a comprehensive performance diagnostic tool that often reveals more about y.
Memcached Prometheus Metrics: Export and Alert
Prometheus metrics for Memcached are not just a window into your cache's performance; they're a crucial part of understanding how your distributed syste.
Memcached Twemproxy: Proxy for Sharded Caches
Twemproxy is an essential tool for managing sharded Memcached deployments, but its configuration and behavior can be surprisingly subtle.
Memcached UDP vs TCP: Choose the Right Protocol
Memcached UDP vs TCP: Choose the Right Protocol — Memcached doesn't actually support UDP. It's easy to think it might, given how many other network se.
Memcached vs Redis: Choose the Right Cache for Your App
Memcached and Redis are both popular in-memory data stores used for caching, but they offer distinct features and performance characteristics that make .
Memcached Cache Warm-Up: Pre-Load Data After Restart
Pre-loading Memcached after a restart isn't about "warming it up" in the sense of bringing a car engine to operating temperature; it's about ensuring yo.
Memcached Firewall: Block Unauthorized Access
A firewall blocking unauthorized Memcached access is fundamentally about preventing a remote attacker from hijacking your cache and using it to launch d.
Memcached Append and Prepend: Modify Values in Place
Memcached's append and prepend commands let you modify existing values without fetching and re-setting them, which sounds like a database operation but .
Memcached on AWS ElastiCache: Production Setup Guide
Memcached on AWS ElastiCache is often treated as a simple, drop-in key-value store, but its true power lies in its ephemeral nature and how it forces yo.
Memcached Binary vs Text Protocol: Performance Compared
Memcached, despite its simplicity, has two distinct communication protocols, and understanding their performance differences can significantly impact yo.
Memcached Cache-Aside Pattern: Lazy Loading Strategy
The most surprising thing about Memcached's cache-aside pattern is that it's fundamentally a write-through strategy for reads, not a lazy loading one.
Memcached Cache Invalidation: Keep Data Consistent
Memcached's strength is its speed, but that speed comes at a cost: it doesn't inherently know when the data it stores has changed in your primary data s.
Memcached Cache Stampede: Prevent Thundering Herd
The most surprising thing about memcached cache stampedes is that they aren't caused by memcached itself, but by the application accessing memcached.
Memcached CAS: Implement Optimistic Locking
Memcached's CAS Check-And-Set command lets you implement optimistic locking, preventing lost updates when multiple clients try to modify the same item c.
Memcached Client Libraries: Python, Java, Go Compared
The most surprising thing about Memcached client libraries is that they often introduce more complexity and potential failure points than Memcached itse.
Memcached Cluster Scaling: Add Nodes Without Downtime
Adding nodes to a Memcached cluster without downtime is surprisingly achievable by leveraging its client-side sharding and graceful deactivation.
Memcached Compression: Store Large Objects Efficiently
Memcached compression isn't about making your data smaller in the sense of byte-for-byte reduction; it's about reducing the network traffic and memory f.
Fix Memcached High Connection Count
Fix Memcached High Connection Count — practical guide covering memcached setup, configuration, and troubleshooting with real-world examples.
Memcached Connection Pooling: Reduce Open Connections
Memcached connection pooling can dramatically improve performance by avoiding the overhead of establishing a new TCP connection for every single Memcach.
Memcached Consistent Hashing: Minimize Cache Misses on Scale
The magic of consistent hashing is that adding or removing a cache server only forces a tiny fraction of keys to be remapped, drastically reducing cache.
Memcached CPU Threads: Scale Workers for High Throughput
Memcached CPU Threads: Scale Workers for High Throughput — practical guide covering memcached setup, configuration, and troubleshooting with real-world ...
Memcached Query Caching: Cache DB Results Effectively
Memcached query caching is a powerful technique to drastically speed up your application by avoiding redundant database queries.
Memcached Debug: Use Verbose Commands for Diagnostics
Memcached’s verbose commands are not just for show; they’re the secret handshake that reveals the daemon's inner thoughts, letting you peek behind the c.
Memcached in Docker: Production Container Configuration
Memcached, when run in Docker for production, can often be a performance bottleneck disguised as a simple key-value store.
Memcached LRU Eviction: Tune Memory Management Policy
Memcached evicts items using a Least Recently Used LRU algorithm, but it's not a simple "oldest first" deletion; it's a probabilistic approximation that.
Memcached TTL Strategy: Set Expiration for Every Key
Memcached TTL strategy: Set expiration for every key Memcached doesn't actually expire keys; it evicts them when it needs space.
Memcached Health Checks: Monitor Cache Availability
Memcached health checks are less about ensuring the cache is warm and more about verifying the door is unlocked and the cashier is awake.
Memcached High Availability: Client-Side Redundancy
Memcached itself doesn't offer built-in replication or clustering. High availability must be implemented at the client library level
Fix Memcached High CPU Usage: Diagnose and Tune
Memcached is choking on requests because its internal worker threads are spending all their time waiting for network I/O to complete, preventing them fr.
Memcached Hit Ratio: Monitor Cache Effectiveness
A memcached hit ratio below 90% means you're likely burning CPU on your backend servers for data that could have been served from cache.