---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7892 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 472 4998 0 2504 7215 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:10:a6:fc brd ff:ff:ff:ff:ff:ff inet 10.32.6.93/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86045sec preferred_lft 86045sec inet6 fe80::f816:3eff:fe10:a6fc/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-7892) 08/08/26 _x86_64_ (4 CPU) 23:17:48 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 122.59 54.14 68.45 3568.08 6243.28 23:20:01 76.30 30.21 46.09 1669.46 9275.52 23:21:01 43.44 6.28 37.15 605.66 11033.39 23:22:01 14.31 5.23 9.08 195.40 3432.19 23:23:01 27.57 1.37 26.21 93.17 7307.70 Average: 56.84 19.45 37.40 1226.42 7458.31 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 5915240 7396276 2252180 27.58 40484 1617316 710932 7.71 615644 1465804 109472 23:20:01 5523612 7350572 2643808 32.37 58476 1928868 750880 8.15 685068 1754928 212240 23:21:01 4741316 6794300 3426104 41.95 64124 2142220 1386608 15.05 1259244 1946840 98288 23:22:01 4775752 6857084 3391668 41.53 66000 2166908 1157160 12.56 1225348 1941164 20260 23:23:01 5157196 7423928 3010224 36.86 69840 2345020 659076 7.15 725988 2054864 26064 Average: 5222623 7164432 2944797 36.06 59785 2040066 932931 10.12 902258 1832720 93265 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 ens3 421.94 217.87 1464.96 65.26 0.00 0.00 0.00 0.00 23:19:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 23:20:01 ens3 81.52 75.25 880.82 14.93 0.00 0.00 0.00 0.00 23:20:01 lo 1.67 1.67 0.16 0.16 0.00 0.00 0.00 0.00 23:21:01 ens3 168.93 162.46 3107.16 23.59 0.00 0.00 0.00 0.00 23:21:01 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 23:22:01 ens3 23.13 23.86 271.83 5.57 0.00 0.00 0.00 0.00 23:22:01 lo 121.91 121.91 36.61 36.61 0.00 0.00 0.00 0.00 23:23:01 ens3 83.67 66.99 993.27 16.13 0.00 0.00 0.00 0.00 23:23:01 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 155.85 109.29 1343.63 25.10 0.00 0.00 0.00 0.00 Average: lo 25.03 25.03 7.38 7.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7892) 08/08/26 _x86_64_ (4 CPU) 23:17:48 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 23.01 0.00 1.73 3.64 0.92 70.69 23:19:01 0 10.81 0.00 1.48 2.28 0.68 84.75 23:19:01 1 34.73 0.00 1.93 9.15 1.08 53.09 23:19:01 2 37.38 0.00 2.30 2.22 1.32 56.79 23:19:01 3 9.12 0.00 1.19 0.93 0.62 88.15 23:20:01 all 22.71 0.00 1.45 1.86 0.83 73.14 23:20:01 0 24.16 0.00 1.63 1.55 0.83 71.83 23:20:01 1 6.56 0.00 0.27 0.58 0.42 92.17 23:20:01 2 9.74 0.00 1.67 4.92 0.75 82.93 23:20:01 3 50.43 0.00 2.24 0.40 1.30 45.63 23:21:01 all 24.76 0.00 1.42 1.03 1.61 71.18 23:21:01 0 21.91 0.00 1.43 0.28 1.30 75.08 23:21:01 1 26.80 0.00 1.02 0.53 1.67 69.98 23:21:01 2 26.70 0.00 1.57 3.13 1.87 66.73 23:21:01 3 23.66 0.00 1.63 0.17 1.62 72.92 23:22:01 all 44.65 0.00 1.49 0.23 3.15 50.48 23:22:01 0 43.73 0.00 1.58 0.27 3.40 51.02 23:22:01 1 46.25 0.00 1.15 0.15 2.92 49.53 23:22:01 2 45.24 0.00 1.63 0.15 2.92 50.06 23:22:01 3 43.39 0.00 1.59 0.37 3.34 51.31 23:23:01 all 27.37 0.00 1.41 0.63 1.68 68.89 23:23:01 0 29.33 0.00 2.23 1.60 1.83 65.02 23:23:01 1 33.10 0.00 1.08 0.80 1.40 63.63 23:23:01 2 26.14 0.00 1.41 0.10 1.95 70.40 23:23:01 3 20.95 0.00 0.96 0.02 1.58 76.50 Average: all 28.51 0.00 1.50 1.48 1.64 66.87 Average: 0 26.00 0.00 1.67 1.19 1.61 69.53 Average: 1 29.49 0.00 1.09 2.24 1.50 65.69 Average: 2 29.03 0.00 1.71 2.10 1.76 65.39 Average: 3 29.51 0.00 1.52 0.38 1.69 66.90