We do a lot of take and compact_batches, which involves moving data to new buffers. It might be worth seeing if a memory pool like jemalloc would help here. This ...

系统的物理内存是有限的，而对内存的需求是变化的, 程序的动态性越强，内存管理就越重要，选择合适的内存管理算法会带来明显的性能提升。 比如nginx， 它在每个连接accept后会malloc一块内存，作为整个连接生命周期内的内存池。 当HTTP请求到达的时候，又会 ...

A gdb/Python extension to unmask and bring to light the internals of the various jemalloc flavors. This new release of unmask_jemalloc specifically targets Mozilla Firefox and is a complete rewrite of ...