High Availability Architecture
Jul 11, 2024 · Backend Development
AutoMQ Memory Cache Design and Mitigating Netty PooledByteBufAllocator Memory Fragmentation
The article explains AutoMQ's memory‑cache architecture, compares LogCache and BlockCache designs, analyzes Netty's internal and external memory fragmentation caused by the Buddy and PageRun/PoolSubpage allocators, and presents mitigation techniques such as ByteBufSeqAlloc to reduce OOM risks.
BackendCacheDesignDirectMemory
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