---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2122 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 7.7G 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 562 1134 0 2247 3115 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:a2:61:b4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.192/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86165sec preferred_lft 86165sec inet6 fe80::f816:3eff:fea2:61b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2122) 12/09/23 _x86_64_ (4 CPU) 07:38:51 LINUX RESTART (4 CPU) 07:39:02 tps rtps wtps bread/s bwrtn/s 07:40:01 111.74 68.07 43.67 4600.44 6626.67 07:41:01 98.30 12.33 85.97 249.96 14935.24 07:42:01 48.76 7.28 41.48 440.99 7891.48 Average: 86.13 29.01 57.11 1747.95 9835.63 07:39:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 1821652 3373556 2217000 54.89 48500 1659864 589684 11.59 544976 1501552 143588 07:41:01 1245284 3090520 2793368 69.17 62408 1925432 819164 16.10 856332 1737900 38800 07:42:01 1113312 3147292 2925340 72.43 67676 2103820 741940 14.58 892476 1823308 42800 Average: 1393416 3203789 2645236 65.50 59528 1896372 716929 14.09 764595 1687587 75063 07:39:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 ens3 348.33 217.47 1340.33 61.27 0.00 0.00 0.00 0.00 07:40:01 lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 07:41:01 ens3 363.34 382.29 2423.54 68.97 0.00 0.00 0.00 0.00 07:41:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 07:42:01 ens3 450.76 409.87 1501.17 150.79 0.00 0.00 0.00 0.00 07:42:01 lo 1.32 1.32 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 387.69 337.21 1757.33 93.86 0.00 0.00 0.00 0.00 Average: lo 1.22 1.22 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2122) 12/09/23 _x86_64_ (4 CPU) 07:38:51 LINUX RESTART (4 CPU) 07:39:02 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 20.78 0.00 1.77 2.95 0.05 74.46 07:40:01 0 9.63 0.00 1.12 0.81 0.03 88.40 07:40:01 1 21.09 0.00 1.95 1.44 0.05 75.45 07:40:01 2 38.70 0.00 2.33 2.65 0.07 56.24 07:40:01 3 13.69 0.00 1.69 6.86 0.03 77.73 07:41:01 all 27.55 0.00 1.55 1.96 0.06 68.88 07:41:01 0 29.21 0.00 1.22 0.97 0.07 68.53 07:41:01 1 42.17 0.00 2.05 0.65 0.07 55.06 07:41:01 2 20.89 0.00 1.47 1.76 0.05 75.83 07:41:01 3 17.89 0.00 1.44 4.49 0.07 76.11 07:42:01 all 32.69 0.00 1.33 0.81 0.06 65.11 07:42:01 0 26.81 0.00 0.99 0.08 0.07 72.05 07:42:01 1 28.53 0.00 1.19 0.72 0.07 69.50 07:42:01 2 30.42 0.00 1.05 1.81 0.05 66.67 07:42:01 3 45.02 0.00 2.13 0.62 0.08 52.15 Average: all 27.04 0.00 1.55 1.90 0.06 69.45 Average: 0 21.95 0.00 1.11 0.62 0.06 76.27 Average: 1 30.65 0.00 1.73 0.93 0.06 66.62 Average: 2 29.96 0.00 1.61 2.07 0.06 66.30 Average: 3 25.59 0.00 1.75 3.97 0.06 68.62