---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-14810 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 7.9G 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 466 4995 0 2513 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:1a:99:1d brd ff:ff:ff:ff:ff:ff inet 10.32.7.46/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe1a:991d/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-14810) 10/10/26 _x86_64_ (4 CPU) 16:36:56 LINUX RESTART (4 CPU) 16:37:01 tps rtps wtps bread/s bwrtn/s 16:38:02 167.53 67.26 100.27 3838.72 42626.34 16:39:01 108.17 37.57 70.60 2295.07 14738.52 16:40:01 24.80 11.73 13.06 807.33 7522.21 16:41:01 35.36 1.92 33.44 149.44 8193.83 Average: 83.87 29.59 54.28 1770.54 18286.02 16:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:38:02 5920416 7458384 2247004 27.51 48948 1661052 660580 7.17 529008 1537112 181136 16:39:01 5328924 7272288 2838496 34.75 61448 2039004 838264 9.10 754608 1873000 119024 16:40:01 4751396 6855864 3416024 41.83 66260 2189060 1170444 12.70 1220192 1968656 35128 16:41:01 5160836 7438912 3006584 36.81 70924 2354644 646856 7.02 712296 2063816 9976 Average: 5290393 7256362 2877027 35.23 61895 2060940 829036 9.00 804026 1860646 86316 16:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:38:02 ens3 358.00 234.77 1665.39 65.69 0.00 0.00 0.00 0.00 16:38:02 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 16:39:01 ens3 168.09 161.35 2701.98 25.95 0.00 0.00 0.00 0.00 16:39:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 16:40:01 ens3 130.09 127.91 1936.06 24.83 0.00 0.00 0.00 0.00 16:40:01 lo 121.06 121.06 36.48 36.48 0.00 0.00 0.00 0.00 16:41:01 ens3 62.21 62.04 793.26 16.05 0.00 0.00 0.00 0.00 16:41:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 179.65 146.46 1770.29 33.16 0.00 0.00 0.00 0.00 Average: lo 31.31 31.31 9.24 9.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-14810) 10/10/26 _x86_64_ (4 CPU) 16:36:56 LINUX RESTART (4 CPU) 16:37:01 CPU %user %nice %system %iowait %steal %idle 16:38:02 all 21.57 0.00 2.41 5.23 0.07 70.72 16:38:02 0 8.33 0.00 1.59 10.45 0.07 79.56 16:38:02 1 9.31 0.00 0.94 1.10 0.02 88.63 16:38:02 2 54.66 0.00 5.19 4.62 0.13 35.39 16:38:02 3 14.14 0.00 1.94 4.70 0.05 79.16 16:39:01 all 18.47 0.00 1.18 2.36 0.07 77.92 16:39:01 0 11.22 0.00 0.54 2.88 0.05 85.31 16:39:01 1 9.68 0.00 1.36 4.52 0.05 84.39 16:39:01 2 36.50 0.00 1.62 1.05 0.12 60.71 16:39:01 3 16.63 0.00 1.20 0.98 0.07 81.12 16:40:01 all 41.54 0.00 1.48 0.33 0.12 56.53 16:40:01 0 39.42 0.00 1.43 0.33 0.10 58.71 16:40:01 1 43.23 0.00 1.23 0.53 0.13 54.87 16:40:01 2 44.68 0.00 2.00 0.10 0.13 53.08 16:40:01 3 38.79 0.00 1.29 0.35 0.13 59.43 16:41:01 all 23.44 0.00 1.22 1.04 0.07 74.23 16:41:01 0 6.76 0.00 0.56 0.12 0.05 92.52 16:41:01 1 8.95 0.00 1.45 2.47 0.05 87.08 16:41:01 2 52.34 0.00 1.53 0.13 0.12 45.87 16:41:01 3 25.94 0.00 1.32 1.45 0.07 71.23 Average: all 26.28 0.00 1.57 2.24 0.08 69.82 Average: 0 16.40 0.00 1.03 3.44 0.07 79.06 Average: 1 17.84 0.00 1.24 2.15 0.06 78.71 Average: 2 47.09 0.00 2.59 1.48 0.13 48.72 Average: 3 23.90 0.00 1.44 1.87 0.08 72.70