---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10097 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 7.9G 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 465 5012 0 2498 7223 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:e1:e5:c8 brd ff:ff:ff:ff:ff:ff inet 10.32.7.4/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86048sec preferred_lft 86048sec inet6 fe80::f816:3eff:fee1:e5c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10097) 09/05/26 _x86_64_ (4 CPU) 23:17:51 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 137.19 54.87 82.32 3588.60 40962.66 23:20:01 58.70 5.76 52.93 200.60 9751.02 23:21:01 66.04 28.15 37.89 1997.40 11082.42 23:22:01 15.26 6.96 8.30 272.26 3478.26 23:23:01 26.66 1.30 25.36 90.52 7229.73 Average: 60.77 19.41 41.36 1229.78 14499.92 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 5975700 7410188 2191720 26.83 37836 1576524 698716 7.58 593252 1435760 81844 23:20:01 5724548 7488920 2442872 29.91 56872 1868804 616920 6.69 513760 1729132 192196 23:21:01 4861840 6899576 3305580 40.47 63640 2128360 1349104 14.64 1155348 1934728 92836 23:22:01 4654884 6711992 3512536 43.01 65056 2145160 1354936 14.70 1371340 1920624 4164 23:23:01 5104224 7364604 3063196 37.51 69484 2339316 724628 7.86 778584 2057192 24160 Average: 5264239 7175056 2903181 35.55 58578 2011633 948861 10.30 882457 1815487 79040 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 23:19:01 ens3 443.51 246.71 1475.90 67.33 0.00 0.00 0.00 0.00 23:20:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 23:20:01 ens3 52.32 50.32 680.33 6.48 0.00 0.00 0.00 0.00 23:21:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 23:21:01 ens3 183.62 178.05 3188.63 29.93 0.00 0.00 0.00 0.00 23:22:01 lo 121.99 121.99 36.62 36.62 0.00 0.00 0.00 0.00 23:22:01 ens3 13.38 14.34 107.10 3.73 0.00 0.00 0.00 0.00 23:23:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 23:23:01 ens3 82.45 77.64 1237.74 17.64 0.00 0.00 0.00 0.00 Average: lo 24.98 24.98 7.38 7.38 0.00 0.00 0.00 0.00 Average: ens3 155.04 113.40 1337.83 25.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10097) 09/05/26 _x86_64_ (4 CPU) 23:17:51 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 22.70 0.00 2.09 4.34 1.06 69.80 23:19:01 0 11.64 0.00 1.92 5.97 0.83 79.64 23:19:01 1 18.98 0.00 1.28 1.90 0.77 77.07 23:19:01 2 18.42 0.00 2.81 8.62 1.17 68.98 23:19:01 3 41.79 0.00 2.32 0.90 1.47 53.52 23:20:01 all 20.84 0.00 1.36 1.47 0.88 75.46 23:20:01 0 17.90 0.00 1.26 0.03 0.83 79.98 23:20:01 1 22.05 0.00 1.56 1.66 1.28 73.46 23:20:01 2 27.42 0.00 1.40 4.01 0.93 66.24 23:20:01 3 15.98 0.00 1.23 0.18 0.48 82.12 23:21:01 all 22.97 0.00 1.24 1.65 1.57 72.57 23:21:01 0 20.37 0.00 1.38 0.73 1.40 76.12 23:21:01 1 21.51 0.00 1.70 3.87 1.73 71.18 23:21:01 2 29.63 0.00 0.66 1.43 1.79 66.48 23:21:01 3 20.34 0.00 1.15 0.55 1.37 76.59 23:22:01 all 46.13 0.00 1.43 0.42 3.19 48.84 23:22:01 0 39.34 0.00 1.57 0.22 3.23 55.64 23:22:01 1 48.82 0.00 1.42 0.63 3.19 45.94 23:22:01 2 50.28 0.00 1.23 0.38 3.22 44.88 23:22:01 3 46.10 0.00 1.52 0.45 3.09 48.85 23:23:01 all 24.98 0.00 1.22 0.65 1.18 71.97 23:23:01 0 12.97 0.00 0.53 0.02 0.66 85.82 23:23:01 1 44.48 0.00 1.99 0.73 1.58 51.21 23:23:01 2 13.68 0.00 1.51 1.70 1.11 81.99 23:23:01 3 28.74 0.00 0.85 0.17 1.36 68.88 Average: all 27.52 0.00 1.47 1.70 1.58 67.73 Average: 0 20.46 0.00 1.33 1.39 1.39 75.42 Average: 1 31.17 0.00 1.59 1.76 1.71 63.78 Average: 2 27.90 0.00 1.52 3.22 1.65 65.71 Average: 3 30.58 0.00 1.41 0.45 1.55 66.00