---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-3603 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 992K 797M 1% /run /dev/vda1 20G 12G 8.1G 58% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7976 1579 1877 0 4519 6097 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:db:b9:fe brd ff:ff:ff:ff:ff:ff inet 10.32.7.49/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fedb:b9fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f7:c3:b5:46 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever 4: br-bd27780e05c8: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:3b:0f:e2:52 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-bd27780e05c8 valid_lft forever preferred_lft forever inet6 fe80::42:3bff:fe0f:e252/64 scope link valid_lft forever preferred_lft forever 6: veth478143c@if5: mtu 1500 qdisc noqueue master br-bd27780e05c8 state UP group default link/ether 22:be:2d:b8:93:59 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::20be:2dff:feb8:9359/64 scope link valid_lft forever preferred_lft forever 8: veth479b028@if7: mtu 1500 qdisc noqueue master br-bd27780e05c8 state UP group default link/ether 9e:e1:93:84:2d:cd brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::9ce1:93ff:fe84:2dcd/64 scope link valid_lft forever preferred_lft forever 10: vethac6acb2@if9: mtu 1500 qdisc noqueue master br-bd27780e05c8 state UP group default link/ether 12:c1:7c:8a:d2:b7 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::10c1:7cff:fe8a:d2b7/64 scope link valid_lft forever preferred_lft forever 12: vethd370f9d@if11: mtu 1500 qdisc noqueue master br-bd27780e05c8 state UP group default link/ether ae:01:6f:3e:0b:6b brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::ac01:6fff:fe3e:b6b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-3603) 06/24/25 _x86_64_ (4 CPU) 06:48:48 LINUX RESTART (4 CPU) 06:49:01 tps rtps wtps bread/s bwrtn/s 06:50:01 152.69 69.16 83.54 5607.73 39907.23 06:51:01 53.46 0.27 53.19 28.40 6948.44 06:52:01 159.34 13.31 146.03 2276.69 75454.22 06:53:01 76.22 3.10 73.12 449.53 32851.59 06:54:01 22.25 0.32 21.93 22.66 1511.21 Average: 92.79 17.23 75.56 1677.00 31334.54 06:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:01 5901756 7418796 2265672 27.74 35548 1662268 973228 10.56 582260 1512696 52880 06:51:01 5629692 7371420 2537736 31.07 55800 1854436 1019908 11.07 644556 1698648 130568 06:52:01 4094472 7390896 4072956 49.87 80604 3335116 1093068 11.86 798948 2995748 3916 06:53:01 1990460 6298716 6176968 75.63 98796 4272440 4048636 43.93 2055120 3765516 2232 06:54:01 1956520 6274580 6210908 76.04 101040 4278988 4072428 44.19 2085352 3767284 10932 Average: 3914580 6950882 4252848 52.07 74358 3080650 2241454 24.32 1233247 2747978 40106 06:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:01 ens3 452.97 246.69 1264.55 66.39 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 06:51:01 ens3 56.54 44.78 697.76 5.90 0.00 0.00 0.00 0.00 06:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 lo 0.67 0.67 0.05 0.05 0.00 0.00 0.00 0.00 06:52:01 ens3 1522.80 396.13 12063.01 53.67 0.00 0.00 0.00 0.00 06:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:52:01 lo 3.00 3.00 0.33 0.33 0.00 0.00 0.00 0.00 06:52:01 br-bd27780e05c8 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:53:01 veth479b028 0.80 1.28 0.09 0.13 0.00 0.00 0.00 0.00 06:53:01 veth478143c 2.53 3.35 0.28 0.37 0.00 0.00 0.00 0.00 06:53:01 ens3 853.79 541.19 8447.59 51.97 0.00 0.00 0.00 0.00 06:53:01 vethac6acb2 0.83 0.87 0.10 0.09 0.00 0.00 0.00 0.00 06:54:01 veth479b028 0.10 0.15 0.00 0.01 0.00 0.00 0.00 0.00 06:54:01 veth478143c 9.40 9.72 0.93 1.27 0.00 0.00 0.00 0.00 06:54:01 ens3 11.73 12.53 9.27 6.04 0.00 0.00 0.00 0.00 06:54:01 vethac6acb2 2.07 1.07 0.29 0.12 0.00 0.00 0.00 0.00 Average: veth479b028 0.18 0.29 0.02 0.03 0.00 0.00 0.00 0.00 Average: veth478143c 2.39 2.61 0.24 0.33 0.00 0.00 0.00 0.00 Average: ens3 579.57 248.27 4496.44 36.79 0.00 0.00 0.00 0.00 Average: vethac6acb2 0.58 0.39 0.08 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-3603) 06/24/25 _x86_64_ (4 CPU) 06:48:48 LINUX RESTART (4 CPU) 06:49:01 CPU %user %nice %system %iowait %steal %idle 06:50:01 all 17.07 0.00 2.76 5.13 2.12 72.91 06:50:01 0 9.82 0.00 1.99 10.04 1.96 76.19 06:50:01 1 17.82 0.00 2.76 3.79 2.42 73.21 06:50:01 2 28.76 0.00 2.27 2.25 2.32 64.39 06:50:01 3 11.87 0.00 4.01 4.46 1.78 77.88 06:51:01 all 19.97 0.00 1.30 1.96 1.36 75.41 06:51:01 0 2.93 0.00 0.77 5.89 0.63 89.78 06:51:01 1 27.12 0.00 1.35 0.90 1.51 69.12 06:51:01 2 42.26 0.00 2.45 0.71 2.89 51.69 06:51:01 3 7.42 0.00 0.67 0.33 0.38 91.20 06:52:01 all 34.22 0.00 7.36 2.68 5.46 50.27 06:52:01 0 34.64 0.00 6.89 2.27 4.80 51.40 06:52:01 1 47.98 0.00 7.20 1.50 5.80 37.52 06:52:01 2 28.80 0.00 9.03 2.53 6.10 53.54 06:52:01 3 25.49 0.00 6.35 4.44 5.12 58.60 06:53:01 all 41.64 0.00 6.60 1.49 5.00 45.26 06:53:01 0 37.62 0.00 6.01 2.34 4.73 49.30 06:53:01 1 43.57 0.00 7.16 1.65 5.26 42.36 06:53:01 2 42.75 0.00 7.66 1.25 5.08 43.26 06:53:01 3 42.65 0.00 5.55 0.73 4.95 46.11 06:54:01 all 21.96 0.00 1.23 0.67 2.03 74.11 06:54:01 0 19.01 0.00 1.06 0.68 1.87 77.38 06:54:01 1 14.62 0.00 1.19 0.10 2.43 81.67 06:54:01 2 21.89 0.00 1.33 1.76 2.25 72.78 06:54:01 3 32.37 0.00 1.35 0.18 1.58 64.52 Average: all 26.95 0.00 3.85 2.39 3.19 63.61 Average: 0 20.79 0.00 3.34 4.25 2.80 68.83 Average: 1 30.18 0.00 3.92 1.59 3.48 60.83 Average: 2 32.88 0.00 4.54 1.70 3.73 57.15 Average: 3 23.95 0.00 3.58 2.03 2.76 67.67