---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7804 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 8.7G 11G 45% / 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 4194 0 3318 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:b3:ea:7b brd ff:ff:ff:ff:ff:ff inet 10.32.6.128/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:feb3:ea7b/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-7804) 08/08/26 _x86_64_ (4 CPU) 08:12:58 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 181.37 95.88 85.49 5165.34 40921.31 08:15:01 56.58 1.70 54.88 82.64 9650.78 08:16:01 120.63 36.66 83.97 2225.50 44018.13 08:17:01 38.22 2.03 36.19 106.90 4947.95 Average: 99.20 34.07 65.13 1895.08 24883.75 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 5998288 7424320 2169132 26.56 36952 1568988 694940 7.54 572872 1432224 86284 08:15:01 5723880 7494364 2443540 29.92 57200 1874168 613860 6.66 505176 1735928 198676 08:16:01 3732824 6692072 4434596 54.30 64276 3036428 1369368 14.86 1358436 2830196 7512 08:17:01 4261956 7351936 3905464 47.82 69092 3159424 705904 7.66 750432 2906076 26176 Average: 4929237 7240673 3238183 39.65 56880 2409752 846018 9.18 796729 2226106 79662 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 377.27 218.84 1495.28 65.31 0.00 0.00 0.00 0.00 08:14:01 lo 2.07 2.07 0.19 0.19 0.00 0.00 0.00 0.00 08:15:01 ens3 60.01 56.30 750.56 6.95 0.00 0.00 0.00 0.00 08:15:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 08:16:01 ens3 777.82 578.07 18298.73 84.13 0.00 0.00 0.00 0.00 08:16:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 08:17:01 ens3 143.27 162.80 829.78 38.33 0.00 0.00 0.00 0.00 08:17:01 lo 1.37 1.37 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 339.58 253.99 5343.05 48.68 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7804) 08/08/26 _x86_64_ (4 CPU) 08:12:58 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 22.55 0.00 2.80 5.98 1.18 67.49 08:14:01 0 10.08 0.00 1.65 7.38 0.83 80.05 08:14:01 1 26.05 0.00 5.24 3.77 1.28 63.66 08:14:01 2 14.74 0.00 1.57 8.22 1.07 74.40 08:14:01 3 39.36 0.00 2.74 4.58 1.52 51.80 08:15:01 all 20.59 0.00 1.24 1.62 0.69 75.87 08:15:01 0 27.61 0.00 1.58 3.70 0.77 66.34 08:15:01 1 23.94 0.00 2.16 2.46 0.80 70.63 08:15:01 2 2.43 0.00 0.28 0.10 0.35 96.84 08:15:01 3 28.55 0.00 0.92 0.23 0.84 69.46 08:16:01 all 38.98 0.00 2.52 2.42 2.85 53.22 08:16:01 0 31.52 0.00 2.44 1.97 2.69 61.38 08:16:01 1 38.07 0.00 2.25 4.36 2.57 52.75 08:16:01 2 48.08 0.00 2.33 1.18 2.91 45.50 08:16:01 3 38.27 0.00 3.06 2.14 3.24 53.29 08:17:01 all 25.34 0.00 1.37 0.83 1.35 71.10 08:17:01 0 12.52 0.00 1.25 0.80 0.88 84.55 08:17:01 1 47.50 0.00 1.66 1.33 1.61 47.90 08:17:01 2 21.37 0.00 1.31 0.20 1.31 75.81 08:17:01 3 19.91 0.00 1.29 0.96 1.63 76.20 Average: all 26.86 0.00 1.98 2.71 1.52 66.93 Average: 0 20.42 0.00 1.73 3.46 1.29 73.09 Average: 1 33.90 0.00 2.83 2.98 1.57 58.73 Average: 2 21.62 0.00 1.37 2.42 1.41 73.18 Average: 3 31.50 0.00 2.00 1.98 1.81 62.71