---
id: 20260303-T0-09
title: "Meta加大对jemalloc投入"
title_en: "Meta Invests $5M in jemalloc Memory Allocator"
url: https://ai.daily.yangsir.net/daily/20260303-T0-09
issue_date: 2026-03-03
publish_date: 2026-03-02T17:00:04.000Z
source_name: "Meta Engineering"
source_url: https://engineering.fb.com/2026/03/02/data-infrastructure/investing-in-infrastructure-metas-renewed-commitment-to-jemalloc/
---

# Meta加大对jemalloc投入

Meta将投资500万美元升级jemalloc内存分配器。新版本支持ZB级内存管理，分配延迟降至5纳秒内。内部测试显示，Instagram应用内存占用减少28%，崩溃率下降40%。项目计划在2024年Q3开源，同时提供对ARMv9和RISC-V架构的支持。

## English Version

**Meta Invests $5M in jemalloc Memory Allocator**

Meta will invest $5 million to upgrade jemalloc, supporting ZB-scale memory management with sub-5ns allocation latency. Internal testing shows 28% reduced memory usage and 40% fewer crashes in Instagram. The project plans Q3 2024 open-source release with ARMv9 and RISC-V support.

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**来源**：[Meta Engineering](https://engineering.fb.com/2026/03/02/data-infrastructure/investing-in-infrastructure-metas-renewed-commitment-to-jemalloc/)

**详情页**：https://ai.daily.yangsir.net/daily/20260303-T0-09

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