---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10274 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 7.7G 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 477 5191 0 2306 7214 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:8e:d9:8e brd ff:ff:ff:ff:ff:ff inet 10.32.6.137/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86097sec preferred_lft 86097sec inet6 fe80::f816:3eff:fe8e:d98e/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-10274) 09/08/26 _x86_64_ (4 CPU) 14:54:56 LINUX RESTART (4 CPU) 14:55:01 tps rtps wtps bread/s bwrtn/s 14:56:02 152.14 66.91 85.24 4336.21 40800.82 14:57:01 55.48 0.15 55.33 21.01 9628.33 14:58:01 113.15 38.79 74.36 2210.33 11308.90 14:59:01 24.56 2.00 22.56 112.91 5477.62 Average: 86.46 27.07 59.39 1677.04 16833.70 14:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:56:02 5985704 7408572 2181716 26.71 36860 1566324 699936 7.59 590368 1428352 84348 14:57:01 5669740 7382072 2497680 30.58 56996 1817316 708260 7.69 617744 1679652 164500 14:58:01 5217972 7157672 2949448 36.11 65928 2028680 901568 9.78 921576 1812000 5644 14:59:01 5328736 7399744 2838684 34.76 68676 2155508 676668 7.34 744160 1876540 10964 Average: 5550538 7337015 2616882 32.04 57115 1891957 746608 8.10 718462 1699136 66364 14:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:56:02 ens3 502.75 291.98 1545.85 69.52 0.00 0.00 0.00 0.00 14:56:02 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 14:57:01 ens3 22.01 19.81 393.67 3.37 0.00 0.00 0.00 0.00 14:57:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 14:58:01 ens3 304.07 332.79 1774.28 72.31 0.00 0.00 0.00 0.00 14:58:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 14:59:01 ens3 80.40 83.84 255.81 614.11 0.00 0.00 0.00 0.00 14:59:01 lo 1.20 1.20 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 228.17 182.79 994.94 190.60 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10274) 09/08/26 _x86_64_ (4 CPU) 14:54:56 LINUX RESTART (4 CPU) 14:55:01 CPU %user %nice %system %iowait %steal %idle 14:56:02 all 21.59 0.00 2.65 4.58 1.36 69.82 14:56:02 0 14.32 0.00 1.78 4.30 1.53 78.06 14:56:02 1 47.47 0.00 2.75 4.17 1.64 43.97 14:56:02 2 17.62 0.00 1.77 1.50 1.25 77.86 14:56:02 3 6.99 0.00 4.29 8.35 1.07 79.30 14:57:01 all 21.04 0.00 1.19 1.38 0.93 75.45 14:57:01 0 19.78 0.00 1.17 0.15 1.49 77.41 14:57:01 1 14.32 0.00 0.66 0.93 0.61 83.48 14:57:01 2 49.97 0.00 2.64 0.20 1.49 45.69 14:57:01 3 0.10 0.00 0.32 4.27 0.12 95.19 14:58:01 all 45.11 0.00 2.65 2.21 3.33 46.69 14:58:01 0 45.61 0.00 2.18 0.76 3.09 48.35 14:58:01 1 43.02 0.00 3.65 4.00 3.35 45.98 14:58:01 2 52.92 0.00 2.54 1.54 3.78 39.23 14:58:01 3 38.89 0.00 2.25 2.51 3.11 53.24 14:59:01 all 21.64 0.00 1.20 0.62 1.01 75.53 14:59:01 0 22.52 0.00 1.20 0.87 1.10 74.32 14:59:01 1 24.81 0.00 1.17 0.32 0.88 72.82 14:59:01 2 21.42 0.00 1.25 0.98 1.10 75.26 14:59:01 3 17.83 0.00 1.21 0.30 0.95 79.70 Average: all 27.39 0.00 1.93 2.20 1.66 66.82 Average: 0 25.61 0.00 1.58 1.52 1.81 69.47 Average: 1 32.48 0.00 2.06 2.36 1.63 61.47 Average: 2 35.44 0.00 2.05 1.06 1.91 59.55 Average: 3 16.02 0.00 2.03 3.86 1.32 76.78