---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8314 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 468 5368 0 2139 7228 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:12:6a:47 brd ff:ff:ff:ff:ff:ff inet 10.32.7.171/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fe12:6a47/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8314) 03/07/26 _x86_64_ (4 CPU) 10:25:54 LINUX RESTART (4 CPU) 10:26:01 tps rtps wtps bread/s bwrtn/s 10:27:01 143.44 56.12 87.32 3639.93 40875.74 10:28:01 73.15 13.48 59.67 287.02 12022.93 10:29:01 64.53 6.51 58.01 460.65 7134.69 10:30:01 23.06 2.18 20.88 86.12 3408.50 Average: 76.05 19.58 56.47 1118.40 15860.10 10:26:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:27:01 5958104 7391980 2209316 27.05 37916 1575360 720036 7.81 613184 1433416 90672 10:28:01 5520624 7247396 2646796 32.41 57652 1832156 871020 9.45 775096 1675256 102856 10:29:01 5529592 7429496 2637828 32.30 63680 1994488 661964 7.18 648556 1782916 85588 10:30:01 5497488 7402500 2669932 32.69 65780 1996808 672056 7.29 696824 1765484 10936 Average: 5626452 7367843 2540968 31.11 56257 1849703 731269 7.93 683415 1664268 72513 10:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:27:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 10:27:01 ens3 441.96 229.03 1467.76 64.03 0.00 0.00 0.00 0.00 10:28:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 10:28:01 ens3 110.41 88.27 1534.35 19.78 0.00 0.00 0.00 0.00 10:29:01 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 10:29:01 ens3 292.14 290.70 1361.73 53.14 0.00 0.00 0.00 0.00 10:30:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 10:30:01 ens3 14.23 13.26 13.18 12.94 0.00 0.00 0.00 0.00 Average: lo 0.92 0.92 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 214.69 155.32 1094.27 37.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8314) 03/07/26 _x86_64_ (4 CPU) 10:25:54 LINUX RESTART (4 CPU) 10:26:01 CPU %user %nice %system %iowait %steal %idle 10:27:01 all 21.93 0.00 2.54 4.67 0.91 69.94 10:27:01 0 19.05 0.00 2.17 6.78 0.85 71.15 10:27:01 1 16.79 0.00 4.04 3.99 0.77 74.41 10:27:01 2 24.66 0.00 2.19 1.74 1.04 70.37 10:27:01 3 27.24 0.00 1.75 6.16 0.98 63.86 10:28:01 all 26.63 0.00 1.67 1.66 1.06 68.97 10:28:01 0 10.78 0.00 0.95 3.52 0.73 84.03 10:28:01 1 23.74 0.00 1.17 1.22 0.82 73.06 10:28:01 2 45.69 0.00 2.97 0.28 1.55 49.50 10:28:01 3 26.44 0.00 1.59 1.62 1.15 69.20 10:29:01 all 35.22 0.00 2.02 0.95 1.96 59.85 10:29:01 0 31.14 0.00 1.93 0.25 1.73 64.95 10:29:01 1 25.28 0.00 1.71 0.90 1.66 70.46 10:29:01 2 45.42 0.00 2.77 1.50 2.37 47.94 10:29:01 3 39.03 0.00 1.69 1.16 2.09 56.02 10:30:01 all 20.98 0.00 1.02 0.90 0.84 76.26 10:30:01 0 20.97 0.00 0.92 0.12 0.67 77.33 10:30:01 1 6.02 0.00 0.58 1.30 0.48 91.63 10:30:01 2 44.34 0.00 1.54 0.40 1.38 52.34 10:30:01 3 12.69 0.00 1.05 1.78 0.81 83.67 Average: all 26.19 0.00 1.81 2.05 1.19 68.76 Average: 0 20.48 0.00 1.49 2.67 0.99 74.37 Average: 1 17.94 0.00 1.87 1.85 0.93 77.41 Average: 2 40.04 0.00 2.37 0.98 1.59 55.03 Average: 3 26.35 0.00 1.52 2.68 1.26 68.19