---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10558 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 7.5G 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 462 5424 0 2088 7235 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:4f:ed:a4 brd ff:ff:ff:ff:ff:ff inet 10.32.7.75/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe4f:eda4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10558) 04/04/26 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 148.68 64.87 83.80 4250.76 40636.98 19:15:01 66.81 12.80 54.01 309.68 8895.85 19:16:01 63.89 8.50 55.39 470.59 6892.32 19:17:01 24.23 0.35 23.88 33.73 4386.47 Average: 75.90 21.63 54.27 1266.19 15202.90 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5999852 7419388 2167568 26.54 36600 1562880 706940 7.67 581180 1424672 85112 19:15:01 5673676 7328940 2493744 30.53 56824 1762836 876324 9.51 696096 1605020 100984 19:16:01 5610992 7461580 2556428 31.30 62660 1947200 634404 6.88 641588 1711880 113764 19:17:01 5593144 7446764 2574276 31.52 64800 1948168 644280 6.99 662748 1708292 9848 Average: 5719416 7414168 2448004 29.97 55221 1805271 715487 7.76 645403 1612466 77427 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 19:14:01 ens3 339.83 196.57 1433.01 63.30 0.00 0.00 0.00 0.00 19:15:01 lo 1.27 1.27 0.13 0.13 0.00 0.00 0.00 0.00 19:15:01 ens3 67.27 51.17 468.13 16.16 0.00 0.00 0.00 0.00 19:16:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 19:16:01 ens3 319.43 307.42 1262.79 575.79 0.00 0.00 0.00 0.00 19:17:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 19:17:01 ens3 12.25 13.08 9.47 6.17 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 184.69 142.06 793.35 165.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10558) 04/04/26 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 20.69 0.00 2.66 5.59 3.35 67.71 19:14:01 0 7.02 0.00 1.19 4.05 2.56 85.18 19:14:01 1 34.25 0.00 4.96 5.83 4.31 50.65 19:14:01 2 28.62 0.00 2.60 3.72 3.61 61.45 19:14:01 3 12.86 0.00 1.88 8.74 2.92 73.61 19:15:01 all 23.47 0.00 1.50 2.16 2.60 70.27 19:15:01 0 7.43 0.00 0.74 0.45 1.88 89.50 19:15:01 1 34.88 0.00 1.75 2.35 3.06 57.97 19:15:01 2 27.84 0.00 1.90 4.24 3.09 62.93 19:15:01 3 23.72 0.00 1.61 1.61 2.39 70.68 19:16:01 all 34.82 0.00 2.06 1.16 5.70 56.26 19:16:01 0 53.62 0.00 2.08 0.54 6.20 37.56 19:16:01 1 28.73 0.00 1.83 0.29 5.53 63.61 19:16:01 2 26.14 0.00 2.35 1.83 5.67 64.01 19:16:01 3 30.83 0.00 1.98 1.97 5.43 59.79 19:17:01 all 20.46 0.00 0.98 1.01 1.40 76.14 19:17:01 0 14.01 0.00 1.10 0.03 1.01 83.85 19:17:01 1 47.28 0.00 1.31 0.42 2.21 48.78 19:17:01 2 14.37 0.00 0.81 0.96 1.28 82.57 19:17:01 3 6.26 0.00 0.71 2.62 1.10 89.31 Average: all 24.89 0.00 1.80 2.48 3.27 67.56 Average: 0 20.59 0.00 1.28 1.27 2.92 73.94 Average: 1 36.25 0.00 2.47 2.22 3.79 55.28 Average: 2 24.26 0.00 1.92 2.69 3.42 67.71 Average: 3 18.45 0.00 1.55 3.74 2.96 73.30