---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-253 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: 2799.998 BogoMIPS: 5599.99 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 41% / 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 472 5150 0 2353 7220 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:05:cd:9b brd ff:ff:ff:ff:ff:ff inet 10.32.6.193/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86072sec preferred_lft 86072sec inet6 fe80::f816:3eff:fe05:cd9b/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-253) 04/11/26 _x86_64_ (4 CPU) 05:15:04 LINUX RESTART (4 CPU) 05:16:02 tps rtps wtps bread/s bwrtn/s 05:17:01 65.31 10.13 55.18 234.28 9005.15 05:18:01 56.95 25.97 30.97 2039.05 7766.88 05:19:01 13.90 5.00 8.90 182.90 3389.84 05:20:01 29.26 1.25 28.01 98.78 7875.35 Average: 41.26 10.59 30.67 640.46 7001.24 05:16:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:17:01 5822568 7476368 2344852 28.71 56204 1762344 618368 6.71 531336 1619176 128524 05:18:01 4886128 6789624 3281292 40.18 62460 1998876 1381500 14.99 1267512 1803276 94328 05:19:01 4801660 6818860 3365760 41.21 64920 2107020 1166004 12.65 1301016 1846448 102660 05:20:01 5275672 7392692 2891748 35.41 68772 2200756 694924 7.54 751036 1920876 11108 Average: 5196507 7119386 2970913 36.38 63089 2017249 965199 10.47 962725 1797444 84155 05:16:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:17:01 ens3 73.76 58.32 821.48 11.46 0.00 0.00 0.00 0.00 05:17:01 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 05:18:01 ens3 211.68 198.50 2786.82 26.90 0.00 0.00 0.00 0.00 05:18:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 05:19:01 ens3 68.01 65.99 744.88 9.46 0.00 0.00 0.00 0.00 05:19:01 lo 122.36 122.36 36.41 36.41 0.00 0.00 0.00 0.00 05:20:01 ens3 60.96 55.59 514.43 13.53 0.00 0.00 0.00 0.00 05:20:01 lo 0.87 0.87 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 103.73 94.75 1218.57 15.35 0.00 0.00 0.00 0.00 Average: lo 31.37 31.37 9.20 9.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-253) 04/11/26 _x86_64_ (4 CPU) 05:15:04 LINUX RESTART (4 CPU) 05:16:02 CPU %user %nice %system %iowait %steal %idle 05:17:01 all 21.30 0.00 1.47 1.83 0.98 74.43 05:17:01 0 40.85 0.00 2.36 0.44 1.27 55.08 05:17:01 1 3.79 0.00 1.05 6.40 0.58 88.19 05:17:01 2 13.12 0.00 0.74 0.30 0.83 85.00 05:17:01 3 27.47 0.00 1.69 0.17 1.25 69.41 05:18:01 all 27.91 0.00 1.51 1.20 1.77 67.60 05:18:01 0 28.43 0.00 1.80 0.13 1.75 67.88 05:18:01 1 23.22 0.00 0.96 2.03 1.53 72.26 05:18:01 2 32.60 0.00 1.77 2.13 1.72 61.78 05:18:01 3 27.41 0.00 1.51 0.50 2.10 68.48 05:19:01 all 44.31 0.00 1.58 0.25 2.75 51.11 05:19:01 0 45.16 0.00 1.44 0.17 2.74 50.49 05:19:01 1 39.98 0.00 2.20 0.25 2.63 54.94 05:19:01 2 45.68 0.00 1.25 0.37 2.83 49.87 05:19:01 3 46.39 0.00 1.43 0.23 2.81 49.13 05:20:01 all 23.53 0.00 1.09 0.77 0.90 73.70 05:20:01 0 17.48 0.00 1.01 0.07 0.95 80.49 05:20:01 1 9.09 0.00 0.98 1.65 0.48 87.79 05:20:01 2 15.59 0.00 0.87 1.28 0.60 81.66 05:20:01 3 51.97 0.00 1.50 0.08 1.55 44.90 Average: all 29.30 0.00 1.41 1.01 1.60 66.68 Average: 0 32.95 0.00 1.65 0.20 1.68 63.52 Average: 1 19.08 0.00 1.30 2.57 1.31 75.74 Average: 2 26.80 0.00 1.16 1.02 1.50 69.52 Average: 3 38.35 0.00 1.53 0.25 1.93 57.94