---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2490 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 7.7G 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 468 5220 0 2286 7224 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:f7:8a brd ff:ff:ff:ff:ff:ff inet 10.32.7.151/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fedb:f78a/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-2490) 06/03/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 105.40 38.78 66.62 1790.90 6176.72 07:07:01 77.24 30.39 46.85 1688.24 8891.84 07:08:01 55.22 10.58 44.64 626.43 9559.07 07:09:01 24.91 0.88 24.03 48.13 6070.19 Average: 65.69 20.16 45.54 1038.45 7674.51 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5919788 7409268 2247624 27.52 40604 1625612 714128 7.75 604100 1472240 124548 07:07:01 5580976 7355944 2586436 31.67 58924 1877016 768676 8.34 661476 1720784 157712 07:08:01 5372296 7418300 2795116 34.22 66836 2133176 659008 7.15 726788 1850716 161076 07:09:01 5384236 7435388 2783176 34.08 68712 2135744 644064 6.99 719084 1845988 10644 Average: 5564324 7404725 2603088 31.87 58769 1942887 696469 7.56 677862 1722432 113495 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:01 ens3 377.84 207.15 1519.70 63.74 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 71.58 54.92 536.53 13.86 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 176.30 154.04 1846.35 23.51 0.00 0.00 0.00 0.00 07:09:01 lo 1.80 1.80 0.16 0.16 0.00 0.00 0.00 0.00 07:09:01 ens3 65.29 72.72 32.05 673.39 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 172.75 122.20 983.64 193.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2490) 06/03/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.01 0.00 1.64 3.75 3.03 69.58 07:06:01 0 39.46 0.00 2.20 4.16 3.67 50.51 07:06:01 1 26.57 0.00 1.49 0.51 2.58 68.85 07:06:01 2 14.34 0.00 1.30 1.17 2.72 80.47 07:06:01 3 7.79 0.00 1.54 9.10 3.16 78.40 07:07:01 all 22.47 0.00 1.51 2.25 2.59 71.18 07:07:01 0 19.44 0.00 1.31 4.12 3.15 71.98 07:07:01 1 19.53 0.00 1.39 0.91 2.16 76.02 07:07:01 2 41.84 0.00 2.34 1.52 3.18 51.12 07:07:01 3 9.09 0.00 0.99 2.41 1.85 85.65 07:08:01 all 35.97 0.00 1.76 1.32 5.32 55.62 07:08:01 0 27.97 0.00 2.33 4.27 5.49 59.94 07:08:01 1 29.83 0.00 1.43 0.26 4.92 63.55 07:08:01 2 32.73 0.00 1.54 0.23 4.91 60.58 07:08:01 3 53.36 0.00 1.75 0.51 5.98 38.41 07:09:01 all 20.06 0.00 1.11 0.94 1.90 75.99 07:09:01 0 2.95 0.00 0.78 3.20 0.94 92.13 07:09:01 1 24.52 0.00 1.12 0.30 2.81 71.25 07:09:01 2 33.52 0.00 1.41 0.18 2.11 62.78 07:09:01 3 19.22 0.00 1.18 0.13 1.71 77.77 Average: all 25.14 0.00 1.51 2.07 3.21 68.08 Average: 0 22.47 0.00 1.66 3.94 3.32 68.61 Average: 1 25.11 0.00 1.36 0.49 3.12 69.92 Average: 2 30.61 0.00 1.65 0.78 3.23 63.73 Average: 3 22.37 0.00 1.36 3.05 3.18 70.04