2023年11月29日发(作者：)

docker-运⾏时物理内存最⼩配置需=2G

背景

最近在某云申请了⼀个免费试⽤的云服务器，默认配置是：CPU - 1Core， MEM - 1G, 使⽤ docker-compose 启动服务组，docker container 反复重启。。。

排查问题

使⽤ docker log 进⼊容器查看，未发现问题。。

使⽤ docker stats 查看容器使⽤资源的情况，发现问题: 内存溢出！！

ubuntu@VM-0-3-ubuntu:~$ docker stats

fatal error: runtime: out of memory

runtime stack:

(0x55fb06c3ca5c, 0x16)

/build/-YkakXX/-19.03.6/go/src/runtime/:617 +0x74 fp=0x7fff4a9245d0 sp=0x7fff4a9245a0 pc=0x55fb056605d4

(0xc000000000, 0x4000000, 0x55fb08bfefb8)

/build/-YkakXX/-19.03.6/go/src/runtime/mem_:170 +0xc9 fp=0x7fff4a924610 sp=0x7fff4a9245d0 pc=0x55fb0564b8e9

runtime.(*mheap).sysAlloc(0x55fb08be5aa0, 0x2000, 0x55fb08be5ab0, 0x1)

/build/-YkakXX/-19.03.6/go/src/runtime/:633 +0x1cf fp=0x7fff4a9246b8 sp=0x7fff4a924610 pc=0x55fb0563e6ff

runtime.(*mheap).grow(0x55fb08be5aa0, 0x1, 0x0)

/build/-YkakXX/-19.03.6/go/src/runtime/:1222 +0x44 fp=0x7fff4a924710 sp=0x7fff4a9246b8 pc=0x55fb05658cf4

runtime.(*mheap).allocSpanLocked(0x55fb08be5aa0, 0x1, 0x55fb08bfefc8, 0x0)

/build/-YkakXX/-19.03.6/go/src/runtime/:1150 +0x381 fp=0x7fff4a924748 sp=0x7fff4a924710 pc=0x55fb05658be1

runtime.(*mheap).alloc_m(0x55fb08be5aa0, 0x1, 0x2a, 0x6e43a318)

/build/-YkakXX/-19.03.6/go/src/runtime/:977 +0xc6 fp=0x7fff4a924798 sp=0x7fff4a924748 pc=0x55fb05658236

runtime.(*mheap).1()

/build/-YkakXX/-19.03.6/go/src/runtime/:1048 +0x4e fp=0x7fff4a9247d0 sp=0x7fff4a924798 pc=0x55fb0568935e

runtime.(*mheap).alloc(0x55fb08be5aa0, 0x1, 0x55fb0501002a, 0x7fff4a924870)

/build/-YkakXX/-19.03.6/go/src/runtime/:1047 +0x8c fp=0x7fff4a924820 sp=0x7fff4a9247d0 pc=0x55fb0565850c

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