---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1299 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 436 1301 0 2206 3244 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:63:e7:a3 brd ff:ff:ff:ff:ff:ff inet 10.32.7.250/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86198sec preferred_lft 86198sec inet6 fe80::f816:3eff:fe63:e7a3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1299) 12/01/23 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 93.82 43.58 50.24 1986.60 6947.38 07:07:01 117.35 37.23 80.12 2134.98 14130.98 07:08:01 36.41 1.30 35.11 64.26 6311.88 Average: 82.53 27.37 55.16 1395.28 9130.08 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 1796188 3382784 2242456 55.52 49880 1691516 564816 11.10 537016 1529840 153700 07:07:01 1335116 3312836 2703528 66.94 61980 2057544 619656 12.18 733016 1770264 118480 07:08:01 1295596 3287436 2743048 67.92 67284 2065996 640796 12.60 769176 1772136 33412 Average: 1475633 3327685 2563011 63.46 59715 1938352 608423 11.96 679736 1690747 101864 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 07:06:01 ens3 361.11 246.23 1420.02 64.31 0.00 0.00 0.00 0.00 07:07:01 lo 1.70 1.70 0.17 0.17 0.00 0.00 0.00 0.00 07:07:01 ens3 309.17 317.21 1802.06 63.86 0.00 0.00 0.00 0.00 07:08:01 lo 1.67 1.67 0.15 0.15 0.00 0.00 0.00 0.00 07:08:01 ens3 59.59 66.29 52.82 601.06 0.00 0.00 0.00 0.00 Average: lo 1.46 1.46 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 243.29 209.91 1091.63 243.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1299) 12/01/23 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.72 0.00 1.69 2.26 0.06 73.27 07:06:01 0 21.78 0.00 1.58 0.77 0.03 75.83 07:06:01 1 31.11 0.00 1.79 0.42 0.08 66.60 07:06:01 2 14.85 0.00 1.16 6.85 0.05 77.09 07:06:01 3 23.21 0.00 2.21 0.92 0.08 73.58 07:07:01 all 31.12 0.00 1.59 2.06 0.07 65.16 07:07:01 0 23.70 0.00 1.38 2.40 0.05 72.46 07:07:01 1 40.62 0.00 1.91 1.15 0.07 56.26 07:07:01 2 26.21 0.00 1.81 3.46 0.05 68.47 07:07:01 3 34.02 0.00 1.27 1.24 0.07 63.41 07:08:01 all 18.69 0.00 0.87 1.15 0.05 79.24 07:08:01 0 3.66 0.00 0.64 1.67 0.05 93.98 07:08:01 1 2.74 0.00 0.47 0.03 0.05 96.71 07:08:01 2 12.10 0.00 0.78 2.70 0.03 84.38 07:08:01 3 56.19 0.00 1.57 0.18 0.08 41.97 Average: all 24.18 0.00 1.38 1.82 0.06 72.56 Average: 0 16.39 0.00 1.20 1.61 0.04 80.75 Average: 1 24.82 0.00 1.39 0.53 0.07 73.20 Average: 2 17.72 0.00 1.25 4.35 0.04 76.64 Average: 3 37.83 0.00 1.68 0.78 0.08 59.63