---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10547 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 473 5240 0 2262 7222 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:f1:fb:5a brd ff:ff:ff:ff:ff:ff inet 10.32.6.29/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fef1:fb5a/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-10547) 04/04/26 _x86_64_ (4 CPU) 16:58:56 LINUX RESTART (4 CPU) 16:59:01 tps rtps wtps bread/s bwrtn/s 17:00:02 155.89 73.05 82.84 4536.71 40750.42 17:01:01 82.49 30.25 52.25 1685.54 8458.23 17:02:01 75.25 9.97 65.29 519.25 12584.70 17:03:01 24.04 0.65 23.39 76.23 3777.98 Average: 84.42 28.47 55.95 1704.38 16424.97 16:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:02 5984260 7405444 2183160 26.73 37096 1564016 709444 7.70 596460 1426344 84804 17:01:01 5631884 7327232 2535536 31.04 56788 1803096 839872 9.11 714920 1628696 129500 17:02:01 5366512 7386008 2800908 34.29 63724 2112464 692848 7.52 721724 1871736 84240 17:03:01 5351772 7377428 2815648 34.47 66240 2115860 701712 7.61 736924 1869820 9592 Average: 5583607 7374028 2583813 31.64 55962 1898859 735969 7.99 692507 1699149 77034 16:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:02 ens3 357.46 210.40 1508.01 64.46 0.00 0.00 0.00 0.00 17:00:02 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 17:01:01 ens3 68.14 53.33 461.87 14.66 0.00 0.00 0.00 0.00 17:01:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 17:02:01 ens3 361.49 367.49 3654.68 67.07 0.00 0.00 0.00 0.00 17:02:01 lo 0.77 0.77 0.07 0.07 0.00 0.00 0.00 0.00 17:03:01 ens3 14.39 17.61 10.82 16.43 0.00 0.00 0.00 0.00 17:03:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 200.91 162.65 1412.69 40.76 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10547) 04/04/26 _x86_64_ (4 CPU) 16:58:56 LINUX RESTART (4 CPU) 16:59:01 CPU %user %nice %system %iowait %steal %idle 17:00:02 all 21.46 0.00 2.96 5.47 3.22 66.89 17:00:02 0 33.64 0.00 3.00 6.51 4.04 52.81 17:00:02 1 13.10 0.00 2.29 9.20 2.67 72.73 17:00:02 2 22.41 0.00 2.26 4.57 3.68 67.09 17:00:02 3 16.58 0.00 4.32 1.61 2.47 75.02 17:01:01 all 21.89 0.00 1.71 2.71 3.10 70.59 17:01:01 0 26.76 0.00 1.95 1.21 3.01 67.07 17:01:01 1 22.88 0.00 1.84 5.08 2.63 67.58 17:01:01 2 20.90 0.00 1.77 2.13 3.83 71.37 17:01:01 3 17.08 0.00 1.27 2.41 2.91 76.33 17:02:01 all 36.29 0.00 2.23 1.04 6.18 54.26 17:02:01 0 29.61 0.00 1.86 1.04 5.59 61.91 17:02:01 1 43.09 0.00 1.79 0.97 6.08 48.08 17:02:01 2 38.93 0.00 2.82 1.38 6.93 49.95 17:02:01 3 33.50 0.00 2.46 0.80 6.12 57.12 17:03:01 all 20.43 0.00 0.99 0.89 1.69 76.00 17:03:01 0 26.34 0.00 1.00 0.93 1.58 70.15 17:03:01 1 29.09 0.00 0.88 0.20 1.89 67.94 17:03:01 2 5.14 0.00 0.96 2.36 1.35 90.19 17:03:01 3 21.25 0.00 1.13 0.07 1.94 75.62 Average: all 25.06 0.00 1.98 2.53 3.56 66.89 Average: 0 29.11 0.00 1.95 2.43 3.56 62.95 Average: 1 27.11 0.00 1.70 3.85 3.33 64.02 Average: 2 21.88 0.00 1.95 2.61 3.95 69.61 Average: 3 22.15 0.00 2.30 1.22 3.37 70.97