---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7980 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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: 2799.974 BogoMIPS: 5599.94 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 9.0G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 598 12639 0 2802 15115 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:f4:84:6f brd ff:ff:ff:ff:ff:ff inet 10.30.106.178/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86118sec preferred_lft 86118sec inet6 fe80::f816:3eff:fef4:846f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7980) 05/04/26 _x86_64_ (4 CPU) 03:04:52 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 383.47 54.29 329.18 3647.53 65429.50 03:07:01 121.00 15.25 105.75 384.47 14449.19 03:08:01 20.28 3.12 17.16 343.41 3410.76 03:09:01 42.03 8.17 33.86 209.57 4688.15 Average: 141.69 20.20 121.49 1146.24 21994.40 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13882328 15591672 2542640 15.48 68176 1836076 782328 4.48 635188 1679952 281580 03:07:01 13272244 15149540 3152724 19.19 83856 1979044 1210400 6.93 1098872 1805480 39448 03:08:01 12484084 14435808 3940884 23.99 85116 2050084 1963620 11.24 1832744 1854976 7356 03:09:01 12948820 15480908 3476148 21.16 90436 2615624 825908 4.73 1011148 2197928 479784 Average: 13146869 15164482 3278099 19.96 81896 2120207 1195564 6.84 1144488 1884584 202042 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 423.13 287.34 2405.13 79.43 0.00 0.00 0.00 0.00 03:06:01 lo 1.60 1.60 0.19 0.19 0.00 0.00 0.00 0.00 03:07:01 ens3 291.30 263.77 1987.06 60.96 0.00 0.00 0.00 0.00 03:07:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:08:01 ens3 1804.93 1282.50 1255.84 492.10 0.00 0.00 0.00 0.00 03:08:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:09:01 ens3 411.36 322.01 788.19 1833.03 0.00 0.00 0.00 0.00 03:09:01 lo 3.08 3.08 0.28 0.28 0.00 0.00 0.00 0.00 Average: ens3 732.68 538.91 1609.05 616.38 0.00 0.00 0.00 0.00 Average: lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7980) 05/04/26 _x86_64_ (4 CPU) 03:04:52 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 22.72 0.00 2.22 3.78 0.06 71.22 03:06:01 0 45.63 0.00 3.76 2.37 0.07 48.17 03:06:01 1 28.21 0.00 1.64 0.95 0.05 69.15 03:06:01 2 9.63 0.00 1.32 3.14 0.05 85.86 03:06:01 3 7.42 0.00 2.16 8.67 0.08 81.67 03:07:01 all 20.12 0.00 1.69 0.85 0.18 77.17 03:07:01 0 17.81 0.00 1.54 0.10 0.08 80.46 03:07:01 1 22.07 0.00 1.48 0.15 0.45 75.86 03:07:01 2 17.52 0.00 1.94 1.45 0.09 79.01 03:07:01 3 23.05 0.00 1.79 1.72 0.08 73.36 03:08:01 all 35.47 0.00 5.41 0.06 0.07 58.99 03:08:01 0 23.88 0.00 6.15 0.02 0.05 69.91 03:08:01 1 24.67 0.00 5.15 0.10 0.05 70.03 03:08:01 2 45.48 0.00 5.76 0.07 0.07 48.63 03:08:01 3 47.93 0.00 4.62 0.07 0.07 47.31 03:09:01 all 42.61 0.00 2.17 0.22 0.08 54.92 03:09:01 0 42.16 0.00 1.87 0.12 0.07 55.78 03:09:01 1 51.68 0.00 2.85 0.15 0.10 45.22 03:09:01 2 36.83 0.00 1.78 0.18 0.07 61.14 03:09:01 3 39.74 0.00 2.24 0.42 0.08 57.52 Average: all 30.24 0.00 2.87 1.23 0.10 65.56 Average: 0 32.37 0.00 3.33 0.65 0.07 63.58 Average: 1 31.67 0.00 2.77 0.34 0.16 65.06 Average: 2 27.38 0.00 2.70 1.21 0.07 68.64 Average: 3 29.53 0.00 2.70 2.72 0.08 64.97