---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8880 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 7.9G 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 464 4999 0 2511 7223 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:94:e7:fb brd ff:ff:ff:ff:ff:ff inet 10.32.7.126/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86036sec preferred_lft 86036sec inet6 fe80::f816:3eff:fe94:e7fb/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-8880) 08/22/26 _x86_64_ (4 CPU) 05:14:50 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:03 117.58 54.52 63.06 3587.74 9592.42 05:17:01 54.15 0.16 53.99 21.38 9621.38 05:18:01 71.79 30.54 41.25 1673.58 12165.94 05:19:01 18.71 10.08 8.63 776.14 3590.00 05:20:01 25.28 1.45 23.83 92.52 7196.13 Average: 57.52 19.48 38.05 1238.46 8425.20 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:03 5994776 7433360 2172636 26.60 37924 1580184 686044 7.44 568972 1439128 93228 05:17:01 5694544 7417140 2472868 30.28 56548 1828528 677724 7.35 596800 1677632 173484 05:18:01 5269116 7290972 2898296 35.49 62536 2114364 797984 8.66 749212 1935560 82092 05:19:01 4005808 6073432 4161604 50.95 64444 2156008 1966812 21.34 2001152 1935976 824 05:20:01 5118928 7393976 3048484 37.32 69444 2354172 698812 7.58 749104 2072528 25260 Average: 5216634 7121776 2950778 36.13 58179 2006651 965475 10.48 933048 1812165 74978 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:03 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 05:16:03 ens3 379.36 208.26 1478.59 63.61 0.00 0.00 0.00 0.00 05:17:01 lo 0.48 0.48 0.04 0.04 0.00 0.00 0.00 0.00 05:17:01 ens3 18.34 16.19 368.78 2.94 0.00 0.00 0.00 0.00 05:18:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 05:18:01 ens3 206.38 189.62 3414.39 30.01 0.00 0.00 0.00 0.00 05:19:01 lo 87.12 87.12 32.17 32.17 0.00 0.00 0.00 0.00 05:19:01 ens3 23.03 22.86 246.07 5.40 0.00 0.00 0.00 0.00 05:20:01 lo 34.93 34.93 4.35 4.35 0.00 0.00 0.00 0.00 05:20:01 ens3 86.62 77.02 1246.20 17.45 0.00 0.00 0.00 0.00 Average: lo 25.08 25.08 7.40 7.40 0.00 0.00 0.00 0.00 Average: ens3 143.59 103.37 1357.43 24.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8880) 08/22/26 _x86_64_ (4 CPU) 05:14:50 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:03 all 23.20 0.00 1.86 4.23 2.60 68.12 05:16:03 0 10.88 0.00 1.57 3.01 1.70 82.84 05:16:03 1 33.81 0.00 2.36 10.30 3.17 50.37 05:16:03 2 26.07 0.00 1.55 2.07 2.23 68.08 05:16:03 3 22.06 0.00 1.95 1.57 3.29 71.13 05:17:01 all 20.02 0.00 1.21 1.95 1.74 75.07 05:17:01 0 3.20 0.00 0.31 0.02 1.67 94.81 05:17:01 1 29.61 0.00 2.04 6.48 1.73 60.14 05:17:01 2 18.38 0.00 1.60 0.93 1.17 77.92 05:17:01 3 28.93 0.00 0.94 0.39 2.37 67.37 05:18:01 all 16.15 0.00 1.31 1.81 2.49 78.25 05:18:01 0 16.61 0.00 2.66 4.08 3.14 73.50 05:18:01 1 11.66 0.00 0.94 0.71 1.75 84.93 05:18:01 2 13.97 0.00 0.64 1.25 2.09 82.04 05:18:01 3 22.37 0.00 0.98 1.16 2.98 72.52 05:19:01 all 49.92 0.00 1.48 0.52 5.27 42.80 05:19:01 0 47.52 0.00 1.88 0.56 5.03 45.01 05:19:01 1 54.66 0.00 1.41 0.74 5.52 37.67 05:19:01 2 53.62 0.00 1.41 0.31 5.08 39.58 05:19:01 3 43.92 0.00 1.25 0.46 5.45 48.91 05:20:01 all 27.02 0.00 1.41 0.84 2.41 68.32 05:20:01 0 15.48 0.00 0.93 2.75 1.74 79.11 05:20:01 1 16.96 0.00 0.96 0.15 2.57 79.37 05:20:01 2 46.65 0.00 2.44 0.20 2.59 48.12 05:20:01 3 29.08 0.00 1.34 0.28 2.71 66.58 Average: all 27.32 0.00 1.46 1.87 2.91 66.45 Average: 0 18.86 0.00 1.48 2.09 2.66 74.91 Average: 1 29.33 0.00 1.54 3.66 2.96 62.52 Average: 2 31.82 0.00 1.53 0.95 2.64 63.06 Average: 3 29.28 0.00 1.29 0.78 3.37 65.29