---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5256 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 470 5416 0 2089 7227 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:72:71:f2 brd ff:ff:ff:ff:ff:ff inet 10.32.6.248/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe72:71f2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5256) 02/06/26 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 149.64 62.36 87.29 4227.03 40823.48 19:15:01 70.82 12.80 58.02 308.88 9025.83 19:16:01 60.26 6.77 53.49 417.26 9679.59 19:17:01 22.79 0.35 22.44 33.72 1473.51 Average: 75.88 20.57 55.31 1246.67 15250.03 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5947748 7385668 2219664 27.18 38596 1578688 734684 7.97 617556 1434840 98452 19:15:01 5579424 7244288 2587988 31.69 59008 1769196 873172 9.47 782192 1608408 101584 19:16:01 5544504 7394788 2622908 32.11 63332 1946636 689732 7.48 709404 1708584 26724 19:17:01 5483344 7345996 2684068 32.86 65640 1956124 730688 7.93 761396 1714676 18252 Average: 5638755 7342685 2528657 30.96 56644 1812661 757069 8.21 717637 1616627 61253 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 19:14:01 ens3 413.43 242.78 1468.96 65.82 0.00 0.00 0.00 0.00 19:15:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 19:15:01 ens3 110.01 93.42 487.25 23.02 0.00 0.00 0.00 0.00 19:16:01 lo 1.50 1.50 0.14 0.14 0.00 0.00 0.00 0.00 19:16:01 ens3 246.13 251.87 1195.59 560.34 0.00 0.00 0.00 0.00 19:17:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 19:17:01 ens3 14.21 15.18 9.69 15.58 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 195.94 150.81 790.34 166.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5256) 02/06/26 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 22.63 0.00 2.88 3.98 1.05 69.46 19:14:01 0 15.26 0.00 1.96 9.94 0.90 71.94 19:14:01 1 13.74 0.00 2.00 2.51 0.87 80.88 19:14:01 2 26.83 0.00 2.36 0.99 1.09 68.74 19:14:01 3 34.69 0.00 5.19 2.49 1.35 56.28 19:15:01 all 29.08 0.00 1.66 1.64 1.35 66.28 19:15:01 0 18.08 0.00 0.83 2.05 0.98 78.06 19:15:01 1 35.80 0.00 1.82 3.86 1.43 57.09 19:15:01 2 20.29 0.00 1.49 0.33 1.29 76.60 19:15:01 3 42.21 0.00 2.54 0.28 1.70 53.27 19:16:01 all 33.79 0.00 2.03 0.88 1.66 61.64 19:16:01 0 23.07 0.00 1.47 1.65 1.53 72.28 19:16:01 1 28.95 0.00 2.21 1.04 1.50 66.30 19:16:01 2 26.50 0.00 1.90 0.30 1.52 69.77 19:16:01 3 56.59 0.00 2.51 0.52 2.08 38.30 19:17:01 all 21.10 0.00 0.93 0.65 0.59 76.74 19:17:01 0 5.12 0.00 0.68 2.23 0.18 91.78 19:17:01 1 33.19 0.00 0.92 0.07 0.88 64.94 19:17:01 2 19.39 0.00 1.12 0.22 0.58 78.69 19:17:01 3 26.70 0.00 0.98 0.03 0.70 71.58 Average: all 26.65 0.00 1.87 1.78 1.16 68.53 Average: 0 15.39 0.00 1.23 3.97 0.90 78.51 Average: 1 27.93 0.00 1.74 1.87 1.17 67.30 Average: 2 23.25 0.00 1.72 0.46 1.12 73.45 Average: 3 40.06 0.00 2.80 0.83 1.46 54.85