---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2952 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 7.8G 12G 41% / 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 460 5210 0 2305 7232 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:62:04:94 brd ff:ff:ff:ff:ff:ff inet 10.32.7.187/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86024sec preferred_lft 86024sec inet6 fe80::f816:3eff:fe62:494/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2952) 09/06/25 _x86_64_ (4 CPU) 02:56:56 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:01 158.57 76.67 81.90 4762.41 40579.79 02:59:01 66.73 11.95 54.78 245.52 9198.00 03:00:01 32.03 0.62 31.41 24.80 5940.48 03:01:01 10.70 0.00 10.70 0.00 390.80 03:02:01 46.94 1.38 45.56 35.19 8763.74 03:03:01 27.06 0.70 26.36 77.85 4741.21 Average: 57.01 15.22 41.79 857.63 11602.58 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:01 5982552 7402976 2184868 26.75 36828 1563712 715928 7.77 599768 1424620 85316 02:59:01 5729236 7381212 2438184 29.85 56856 1759576 831896 9.03 638632 1606560 121476 03:00:01 5542548 7245888 2624872 32.14 59076 1807232 882032 9.57 777388 1651268 1732 03:01:01 5454036 7228052 2713384 33.22 60904 1874132 898224 9.75 795416 1716516 64696 03:02:01 5311908 7376020 2855512 34.96 65752 2153108 719528 7.81 665860 1977076 114008 03:03:01 5304040 7374008 2863380 35.06 68000 2156372 718424 7.80 674296 1975592 11768 Average: 5554053 7334693 2613367 32.00 57903 1885689 794339 8.62 691893 1725272 66499 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:01 ens3 449.56 228.85 1447.86 65.78 0.00 0.00 0.00 0.00 02:58:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 02:59:01 ens3 67.03 39.35 439.86 9.23 0.00 0.00 0.00 0.00 02:59:01 lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 03:00:01 ens3 86.95 102.33 769.86 14.90 0.00 0.00 0.00 0.00 03:00:01 lo 0.42 0.42 0.03 0.03 0.00 0.00 0.00 0.00 03:01:01 ens3 281.95 238.40 1125.12 26.54 0.00 0.00 0.00 0.00 03:01:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:02:01 ens3 445.58 414.71 2979.64 66.30 0.00 0.00 0.00 0.00 03:02:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:03:01 ens3 11.75 12.45 9.32 6.10 0.00 0.00 0.00 0.00 03:03:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 223.80 172.68 1128.59 31.48 0.00 0.00 0.00 0.00 Average: lo 0.78 0.78 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2952) 09/06/25 _x86_64_ (4 CPU) 02:56:56 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:01 all 22.25 0.00 2.56 5.27 1.71 68.21 02:58:01 0 29.86 0.00 1.71 2.48 1.50 64.45 02:58:01 1 31.34 0.00 2.25 4.64 1.68 60.10 02:58:01 2 19.50 0.00 1.99 8.99 1.89 67.63 02:58:01 3 8.32 0.00 4.29 4.94 1.76 80.69 02:59:01 all 22.66 0.00 1.36 1.71 1.53 72.74 02:59:01 0 57.40 0.00 3.17 0.91 2.16 36.35 02:59:01 1 5.86 0.00 0.23 0.33 0.88 92.69 02:59:01 2 3.94 0.00 0.66 4.45 0.88 90.06 02:59:01 3 23.43 0.00 1.36 1.16 2.22 71.84 03:00:01 all 11.27 0.00 0.52 0.45 1.14 86.62 03:00:01 0 13.35 0.00 0.75 0.18 1.26 84.45 03:00:01 1 12.11 0.00 0.33 0.00 0.80 86.76 03:00:01 2 9.68 0.00 0.40 0.42 1.42 88.09 03:00:01 3 9.92 0.00 0.65 1.20 1.06 87.17 03:01:01 all 5.10 0.00 0.51 0.04 0.50 93.85 03:01:01 0 5.65 0.00 0.28 0.00 0.53 93.53 03:01:01 1 1.38 0.00 0.10 0.00 0.23 98.28 03:01:01 2 8.11 0.00 1.07 0.07 0.77 89.97 03:01:01 3 5.25 0.00 0.60 0.10 0.45 93.60 03:02:01 all 17.72 0.00 1.40 0.73 1.41 78.74 03:02:01 0 13.61 0.00 1.44 0.48 1.54 82.93 03:02:01 1 11.22 0.00 1.31 0.50 1.05 85.93 03:02:01 2 35.11 0.00 1.82 1.13 1.95 59.99 03:02:01 3 11.05 0.00 1.03 0.80 1.10 86.02 03:03:01 all 20.71 0.00 0.95 0.86 1.00 76.49 03:03:01 0 26.33 0.00 1.03 2.14 1.23 69.27 03:03:01 1 10.02 0.00 0.35 0.05 0.37 89.21 03:03:01 2 14.36 0.00 1.01 0.03 1.06 83.53 03:03:01 3 32.10 0.00 1.41 1.21 1.31 63.96 Average: all 16.63 0.00 1.22 1.51 1.21 79.43 Average: 0 24.37 0.00 1.40 1.03 1.37 71.82 Average: 1 11.99 0.00 0.76 0.92 0.83 85.49 Average: 2 15.12 0.00 1.16 2.52 1.33 79.87 Average: 3 15.02 0.00 1.56 1.57 1.32 80.54