---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-18 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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: 2799.998 BogoMIPS: 5599.99 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.8G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 543 12722 0 2774 15166 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:0f:9f:ec brd ff:ff:ff:ff:ff:ff inet 10.30.106.212/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85964sec preferred_lft 85964sec inet6 fe80::f816:3eff:fe0f:9fec/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18) 08/03/26 _x86_64_ (4 CPU) 11:14:09 LINUX RESTART (4 CPU) 11:15:01 tps rtps wtps bread/s bwrtn/s 11:16:01 86.94 3.90 83.04 63.86 27079.22 11:17:01 119.43 12.78 106.65 925.18 31259.59 11:18:01 48.84 2.33 46.51 119.63 19559.97 11:19:01 73.39 8.80 64.59 418.86 6605.03 11:20:01 41.79 1.58 40.21 64.66 4082.92 11:21:01 74.84 14.38 60.46 1125.81 6636.63 Average: 74.26 7.31 66.95 453.70 15862.76 11:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:16:01 13943948 15541800 2481020 15.11 63276 1735416 800424 4.58 671568 1595068 152484 11:17:01 13557424 15534704 2867544 17.46 78448 2081680 824056 4.72 720108 1895024 72640 11:18:01 13407580 15490860 3017388 18.37 86736 2171268 895660 5.13 783536 1965632 80072 11:19:01 13356380 15558848 3068588 18.68 95720 2270460 808460 4.63 743572 2039600 27540 11:20:01 13185680 15544672 3239288 19.72 105536 2393832 830508 4.75 791056 2139680 69496 11:21:01 13094732 15596420 3330236 20.28 113416 2514836 731048 4.18 793000 2213844 43736 Average: 13424291 15544551 3000677 18.27 90522 2194582 815026 4.66 750473 1974808 74328 11:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:16:01 ens3 63.29 45.44 1126.35 8.42 0.00 0.00 0.00 0.00 11:16:01 lo 0.93 0.93 0.12 0.12 0.00 0.00 0.00 0.00 11:17:01 ens3 41.73 30.24 526.17 5.85 0.00 0.00 0.00 0.00 11:17:01 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 11:18:01 ens3 20.84 16.69 120.32 4.11 0.00 0.00 0.00 0.00 11:18:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 11:19:01 ens3 68.56 57.22 94.85 20.21 0.00 0.00 0.00 0.00 11:19:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 11:20:01 ens3 7.55 5.72 36.21 5.53 0.00 0.00 0.00 0.00 11:20:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 11:21:01 ens3 46.69 41.49 90.73 24.18 0.00 0.00 0.00 0.00 11:21:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 41.49 32.84 332.89 11.40 0.00 0.00 0.00 0.00 Average: lo 0.51 0.51 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18) 08/03/26 _x86_64_ (4 CPU) 11:14:09 LINUX RESTART (4 CPU) 11:15:01 CPU %user %nice %system %iowait %steal %idle 11:16:01 all 13.80 0.00 0.92 11.59 0.05 73.65 11:16:01 0 9.83 0.00 0.53 19.77 0.07 69.80 11:16:01 1 23.69 0.00 1.28 4.46 0.05 70.52 11:16:01 2 19.02 0.00 1.64 22.20 0.07 57.08 11:16:01 3 2.66 0.00 0.20 0.02 0.02 97.11 11:17:01 all 12.93 0.00 1.26 14.61 0.05 71.15 11:17:01 0 8.01 0.00 1.39 41.50 0.05 49.05 11:17:01 1 15.56 0.00 1.17 0.38 0.03 82.85 11:17:01 2 17.48 0.00 1.75 8.83 0.07 71.87 11:17:01 3 10.68 0.00 0.77 7.79 0.03 80.72 11:18:01 all 7.95 0.00 0.64 20.87 0.04 70.50 11:18:01 0 3.14 0.00 0.46 21.21 0.03 75.16 11:18:01 1 5.95 0.00 0.63 11.88 0.05 81.49 11:18:01 2 20.15 0.00 0.95 50.37 0.07 28.47 11:18:01 3 2.55 0.00 0.51 0.02 0.02 96.90 11:19:01 all 21.43 0.00 1.19 4.78 0.07 72.53 11:19:01 0 30.67 0.00 1.48 8.51 0.08 59.25 11:19:01 1 20.35 0.00 1.40 2.20 0.07 75.98 11:19:01 2 22.33 0.00 1.10 7.91 0.07 68.59 11:19:01 3 12.35 0.00 0.77 0.47 0.05 86.36 11:20:01 all 22.38 0.00 0.87 2.71 0.06 73.98 11:20:01 0 12.95 0.00 0.72 4.74 0.03 81.56 11:20:01 1 38.18 0.00 1.50 4.36 0.07 55.90 11:20:01 2 13.12 0.00 0.74 1.32 0.03 84.79 11:20:01 3 25.27 0.00 0.53 0.40 0.07 73.73 11:21:01 all 21.15 0.00 2.93 1.51 0.06 74.35 11:21:01 0 21.41 0.00 2.64 0.12 0.07 75.77 11:21:01 1 25.10 0.00 2.89 4.45 0.07 67.49 11:21:01 2 13.88 0.00 3.21 0.75 0.07 82.10 11:21:01 3 24.23 0.00 2.99 0.79 0.07 71.93 Average: all 16.63 0.00 1.30 9.32 0.05 72.70 Average: 0 14.37 0.00 1.20 15.95 0.06 68.42 Average: 1 21.50 0.00 1.48 4.61 0.06 72.36 Average: 2 17.66 0.00 1.57 15.14 0.06 65.57 Average: 3 12.97 0.00 0.96 1.58 0.04 84.44