---> uname -a: Linux prd-ubuntu1804-docker-4c-4g-1221 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 2.0G 0 2.0G 0% /dev tmpfs 395M 992K 394M 1% /run /dev/vda1 20G 12G 8.1G 58% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 5.3M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 1413 218 0 2311 2264 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:81:d3:ed brd ff:ff:ff:ff:ff:ff inet 10.32.7.162/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86052sec preferred_lft 86052sec inet6 fe80::f816:3eff:fe81:d3ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:02:9d:79:0d 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-9d48d009ace3: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:66:f4:48:83 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-9d48d009ace3 valid_lft forever preferred_lft forever inet6 fe80::42:66ff:fef4:4883/64 scope link valid_lft forever preferred_lft forever 6: vethe09b0b8@if5: mtu 1500 qdisc noqueue master br-9d48d009ace3 state UP group default link/ether fe:40:fd:9b:54:2b brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::fc40:fdff:fe9b:542b/64 scope link valid_lft forever preferred_lft forever 8: veth8037be3@if7: mtu 1500 qdisc noqueue master br-9d48d009ace3 state UP group default link/ether fa:ad:4f:d6:d7:0d brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f8ad:4fff:fed6:d70d/64 scope link valid_lft forever preferred_lft forever 10: veth441dc54@if9: mtu 1500 qdisc noqueue master br-9d48d009ace3 state UP group default link/ether 36:49:d0:34:fe:3c brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::3449:d0ff:fe34:fe3c/64 scope link valid_lft forever preferred_lft forever 12: veth95ee819@if11: mtu 1500 qdisc noqueue master br-9d48d009ace3 state UP group default link/ether 0a:33:6c:76:4f:59 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::833:6cff:fe76:4f59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1221) 07/25/25 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps bread/s bwrtn/s 00:01:03 153.91 68.89 85.02 5611.73 40096.53 00:02:01 56.30 0.26 56.04 28.82 8464.47 00:03:01 152.47 15.72 136.74 2281.95 71419.45 00:04:01 127.46 32.49 94.97 2418.39 44600.47 00:05:01 47.00 20.58 26.42 1073.51 1827.39 Average: 107.77 27.77 80.00 2297.97 33451.33 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:01:03 1787712 3338484 2250940 55.73 36876 1677996 940676 18.49 564404 1527208 62292 00:02:01 1573648 3337916 2465004 61.04 55256 1861348 917348 18.03 574272 1707552 79136 00:03:01 212728 3059340 3825924 94.73 79740 2884764 1502016 29.53 908804 2661328 2608 00:04:01 127824 2365908 3910828 96.83 96228 2280876 4018504 78.99 1693776 1985408 1636 00:05:01 172464 2295780 3866188 95.73 98448 2164748 4054368 79.70 1784760 1849568 11876 Average: 774875 2879486 3263777 80.81 73310 2173946 2286582 44.95 1105203 1946213 31510 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:01:03 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 00:01:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:01:03 ens3 311.88 190.73 1310.02 63.16 0.00 0.00 0.00 0.00 00:02:01 lo 0.62 0.62 0.05 0.05 0.00 0.00 0.00 0.00 00:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:01 ens3 56.71 46.65 710.07 6.05 0.00 0.00 0.00 0.00 00:03:01 lo 2.17 2.17 0.22 0.22 0.00 0.00 0.00 0.00 00:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:03:01 ens3 1719.20 531.63 11778.17 55.39 0.00 0.00 0.00 0.00 00:04:01 vethe09b0b8 2.23 3.17 0.25 0.34 0.00 0.00 0.00 0.00 00:04:01 veth8037be3 0.80 1.27 0.09 0.13 0.00 0.00 0.00 0.00 00:04:01 lo 7.10 7.10 0.78 0.78 0.00 0.00 0.00 0.00 00:04:01 veth95ee819 2.47 2.30 0.26 0.24 0.00 0.00 0.00 0.00 00:05:01 vethe09b0b8 9.35 9.66 0.92 1.26 0.00 0.00 0.00 0.00 00:05:01 veth8037be3 0.10 0.17 0.00 0.01 0.00 0.00 0.00 0.00 00:05:01 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 00:05:01 veth95ee819 7.71 8.43 0.98 0.81 0.00 0.00 0.00 0.00 Average: vethe09b0b8 2.33 2.58 0.24 0.32 0.00 0.00 0.00 0.00 Average: veth8037be3 0.18 0.29 0.02 0.03 0.00 0.00 0.00 0.00 Average: lo 2.32 2.32 0.24 0.24 0.00 0.00 0.00 0.00 Average: veth95ee819 2.05 2.16 0.25 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-213-generic (prd-ubuntu1804-docker-4c-4g-1221) 07/25/25 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:01:03 all 19.23 0.00 2.66 4.63 1.32 72.16 00:01:03 0 23.30 0.00 1.42 2.20 1.25 71.83 00:01:03 1 15.18 0.00 4.31 2.94 1.07 76.50 00:01:03 2 8.26 0.00 1.97 9.30 1.54 78.93 00:01:03 3 30.27 0.00 2.95 4.04 1.38 61.36 00:02:01 all 20.18 0.00 1.13 1.55 0.88 76.26 00:02:01 0 12.73 0.00 0.83 0.10 0.53 85.81 00:02:01 1 18.87 0.00 0.89 0.60 1.01 78.63 00:02:01 2 25.32 0.00 1.98 5.23 1.14 66.34 00:02:01 3 23.79 0.00 0.85 0.28 0.85 74.24 00:03:01 all 31.79 0.00 7.52 2.59 2.83 55.28 00:03:01 0 21.63 0.00 7.47 0.67 2.36 67.87 00:03:01 1 25.47 0.00 7.68 4.85 2.93 59.06 00:03:01 2 32.89 0.00 7.42 3.67 2.76 53.27 00:03:01 3 47.19 0.00 7.50 1.16 3.26 40.89 00:04:01 all 37.01 0.00 7.21 2.44 2.91 50.44 00:04:01 0 37.93 0.00 7.80 1.34 2.76 50.17 00:04:01 1 37.56 0.00 7.84 2.51 2.79 49.31 00:04:01 2 38.95 0.00 6.60 4.07 2.67 47.70 00:04:01 3 33.58 0.00 6.59 1.80 3.41 54.63 00:05:01 all 21.91 0.00 1.27 1.46 2.02 73.34 00:05:01 0 28.68 0.00 1.46 0.98 1.95 66.93 00:05:01 1 12.04 0.00 1.01 0.97 1.78 84.19 00:05:01 2 9.38 0.00 0.97 2.39 2.24 85.01 00:05:01 3 37.67 0.00 1.63 1.48 2.07 57.15 Average: all 26.02 0.00 3.96 2.54 1.99 65.49 Average: 0 24.92 0.00 3.80 1.06 1.78 68.44 Average: 1 21.77 0.00 4.35 2.38 1.92 69.58 Average: 2 22.87 0.00 3.79 4.93 2.07 66.34 Average: 3 34.56 0.00 3.90 1.76 2.20 57.58