---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-266 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: 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.8G 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 461 5059 0 2454 7229 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:75:83:9c brd ff:ff:ff:ff:ff:ff inet 10.32.6.210/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe75:839c/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-266) 04/11/26 _x86_64_ (4 CPU) 08:12:58 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 182.09 96.28 85.80 5161.61 40935.84 08:15:01 88.90 30.38 58.52 1687.71 11593.42 08:16:01 81.29 9.83 71.45 665.09 15235.33 08:17:01 27.05 0.70 26.35 77.85 3737.24 Average: 94.86 34.32 60.54 1899.08 17902.70 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 5973404 7396240 2194016 26.86 37112 1565864 720444 7.82 602048 1428596 84676 08:15:01 5453380 7291508 2714040 33.23 57624 1942756 816192 8.86 745208 1767792 162356 08:16:01 5219976 7433380 2947444 36.09 65508 2301072 652424 7.08 674880 2052796 71672 08:17:01 5212076 7430792 2955344 36.18 68212 2303068 642304 6.97 684908 2050068 10148 Average: 5464709 7387980 2702711 33.09 57114 2028190 707841 7.68 676761 1824813 82213 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 ens3 418.63 241.50 1493.59 65.93 0.00 0.00 0.00 0.00 08:14:02 lo 2.07 2.07 0.18 0.18 0.00 0.00 0.00 0.00 08:15:01 ens3 164.72 122.79 2813.24 22.51 0.00 0.00 0.00 0.00 08:15:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 08:16:01 ens3 530.00 513.80 4469.69 84.90 0.00 0.00 0.00 0.00 08:16:01 lo 1.57 1.57 0.20 0.20 0.00 0.00 0.00 0.00 08:17:01 ens3 12.66 14.85 9.45 11.58 0.00 0.00 0.00 0.00 08:17:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 282.00 223.66 2193.88 46.33 0.00 0.00 0.00 0.00 Average: lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-266) 04/11/26 _x86_64_ (4 CPU) 08:12:58 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 21.88 0.00 2.55 5.78 1.11 68.68 08:14:02 0 13.03 0.00 1.93 8.02 1.12 75.90 08:14:02 1 29.75 0.00 1.75 2.67 1.10 64.72 08:14:02 2 12.68 0.00 4.21 8.75 0.95 73.40 08:14:02 3 32.09 0.00 2.32 3.64 1.29 60.66 08:15:01 all 26.96 0.00 1.59 1.96 1.27 68.22 08:15:01 0 38.19 0.00 1.72 0.62 1.72 57.74 08:15:01 1 32.08 0.00 2.51 1.02 1.41 62.99 08:15:01 2 13.33 0.00 0.68 4.57 0.73 80.69 08:15:01 3 24.14 0.00 1.48 1.66 1.22 71.50 08:16:01 all 42.39 0.00 2.46 1.29 2.91 50.95 08:16:01 0 39.15 0.00 2.52 0.28 3.01 55.03 08:16:01 1 40.83 0.00 1.49 0.43 2.54 54.70 08:16:01 2 44.40 0.00 3.73 1.97 3.05 46.84 08:16:01 3 45.21 0.00 2.09 2.47 3.02 47.21 08:17:01 all 20.67 0.00 0.96 1.09 0.98 76.31 08:17:01 0 18.70 0.00 0.98 0.27 0.87 79.19 08:17:01 1 34.07 0.00 1.29 0.27 1.53 62.84 08:17:01 2 0.73 0.00 0.37 2.96 0.45 95.50 08:17:01 3 29.15 0.00 1.18 0.91 1.08 67.68 Average: all 27.99 0.00 1.89 2.53 1.57 66.02 Average: 0 27.25 0.00 1.79 2.30 1.68 66.98 Average: 1 34.20 0.00 1.76 1.09 1.65 61.30 Average: 2 17.83 0.00 2.25 4.56 1.30 74.06 Average: 3 32.70 0.00 1.77 2.17 1.66 61.70