---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1998 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 419 1312 0 2212 3261 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:41:34:8b brd ff:ff:ff:ff:ff:ff inet 10.32.7.30/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86198sec preferred_lft 86198sec inet6 fe80::f816:3eff:fe41:348b/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-1998) 12/26/23 _x86_64_ (4 CPU) 07:04:50 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 113.65 66.84 46.81 4515.91 7168.81 07:07:01 120.45 37.18 83.27 2134.04 14935.91 07:08:01 35.56 1.28 34.28 63.59 6447.99 Average: 89.89 35.10 54.79 2237.85 9517.57 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 1788456 3353312 2250196 55.72 49084 1671920 619844 12.18 567652 1510628 147892 07:07:01 1379136 3356596 2659516 65.85 61768 2057420 590188 11.60 690160 1769964 112772 07:08:01 1333176 3331312 2705476 66.99 67156 2071956 609124 11.97 726132 1777076 33676 Average: 1500256 3347073 2538396 62.85 59336 1933765 606385 11.92 661315 1685889 98113 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 315.38 222.93 1417.86 60.61 0.00 0.00 0.00 0.00 07:06:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 07:07:01 ens3 306.12 324.45 1856.73 64.63 0.00 0.00 0.00 0.00 07:07:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 07:08:01 ens3 62.86 67.32 53.29 603.53 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 Average: ens3 228.12 204.90 1109.29 242.92 0.00 0.00 0.00 0.00 Average: lo 1.48 1.48 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-1998) 12/26/23 _x86_64_ (4 CPU) 07:04:50 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.22 0.00 1.90 3.15 0.06 73.67 07:06:01 0 41.08 0.00 2.84 1.34 0.07 54.68 07:06:01 1 13.45 0.00 1.76 3.18 0.07 81.54 07:06:01 2 18.66 0.00 1.62 5.18 0.05 74.49 07:06:01 3 11.66 0.00 1.37 2.91 0.03 84.02 07:07:01 all 31.33 0.00 1.81 2.01 0.07 64.77 07:07:01 0 34.67 0.00 1.50 0.72 0.07 63.04 07:07:01 1 27.47 0.00 1.87 1.95 0.08 68.62 07:07:01 2 22.40 0.00 1.15 4.11 0.07 72.27 07:07:01 3 40.77 0.00 2.76 1.25 0.08 55.13 07:08:01 all 18.39 0.00 0.89 1.16 0.05 79.52 07:08:01 0 3.17 0.00 0.47 0.05 0.03 96.28 07:08:01 1 22.30 0.00 0.98 0.03 0.05 76.63 07:08:01 2 39.81 0.00 1.44 2.19 0.07 56.50 07:08:01 3 8.32 0.00 0.67 2.38 0.03 88.60 Average: all 23.65 0.00 1.53 2.11 0.06 72.66 Average: 0 26.29 0.00 1.60 0.70 0.06 71.35 Average: 1 21.08 0.00 1.54 1.72 0.07 75.59 Average: 2 26.96 0.00 1.40 3.82 0.06 67.75 Average: 3 20.24 0.00 1.60 2.18 0.05 75.93