---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3072 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 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 664K 797M 1% /run /dev/vda1 20G 7.6G 12G 40% / 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 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 447 5359 0 2169 7247 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:90:5e brd ff:ff:ff:ff:ff:ff inet 10.32.7.31/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fedb:905e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3072) 06/10/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 161.95 76.79 85.15 4675.51 40824.28 19:15:01 55.27 0.35 54.92 26.53 9529.75 19:16:01 83.20 18.35 64.86 665.09 9539.08 19:17:01 25.17 3.05 22.13 123.43 4432.92 Average: 81.40 24.64 56.76 1372.72 16082.05 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 6043072 7470280 2124348 26.01 37008 1570148 659868 7.16 532416 1431768 87800 19:15:01 5833356 7546512 2334064 28.58 57100 1817996 579540 6.29 457648 1679480 162548 19:16:01 5458212 7388660 2709208 33.17 63976 2023364 723572 7.85 712904 1788132 110924 19:17:01 5510916 7443432 2656504 32.53 65984 2023196 661740 7.18 665516 1782084 9352 Average: 5711389 7462221 2456031 30.07 56017 1858676 656180 7.12 592121 1670366 92656 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 19:14:01 ens3 456.23 256.73 1564.04 67.06 0.00 0.00 0.00 0.00 19:15:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 19:15:01 ens3 43.36 35.89 394.43 5.23 0.00 0.00 0.00 0.00 19:16:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 19:16:01 ens3 269.39 277.37 1397.87 53.87 0.00 0.00 0.00 0.00 19:17:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 19:17:01 ens3 61.26 66.19 30.95 529.06 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 207.56 159.05 846.82 163.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3072) 06/10/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 20.96 0.00 2.68 5.57 1.64 69.14 19:14:01 0 12.56 0.00 2.23 8.46 1.64 75.11 19:14:01 1 17.58 0.00 1.57 6.74 1.23 72.88 19:14:01 2 26.22 0.00 1.95 1.71 1.98 68.13 19:14:01 3 27.53 0.00 4.97 5.37 1.73 60.40 19:15:01 all 20.36 0.00 1.41 1.73 1.42 75.07 19:15:01 0 15.58 0.00 1.29 2.58 1.83 78.72 19:15:01 1 12.92 0.00 1.11 1.00 0.91 84.06 19:15:01 2 38.80 0.00 1.97 0.45 2.32 56.47 19:15:01 3 14.13 0.00 1.27 2.92 0.60 81.09 19:16:01 all 39.93 0.00 2.22 1.33 3.32 53.20 19:16:01 0 30.85 0.00 1.95 2.25 3.02 61.94 19:16:01 1 58.88 0.00 1.92 0.50 3.73 34.97 19:16:01 2 37.15 0.00 2.37 0.40 2.99 57.10 19:16:01 3 32.93 0.00 2.64 2.16 3.53 58.74 19:17:01 all 19.88 0.00 1.07 0.95 1.41 76.69 19:17:01 0 16.38 0.00 1.25 0.96 1.01 80.39 19:17:01 1 29.10 0.00 1.04 0.20 2.18 67.48 19:17:01 2 9.40 0.00 0.98 0.27 1.21 88.15 19:17:01 3 24.62 0.00 0.98 2.35 1.27 70.79 Average: all 25.30 0.00 1.84 2.39 1.95 68.51 Average: 0 18.85 0.00 1.68 3.56 1.88 74.03 Average: 1 29.65 0.00 1.41 2.10 2.02 64.83 Average: 2 27.90 0.00 1.82 0.70 2.13 67.45 Average: 3 24.82 0.00 2.46 3.20 1.79 67.73