---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3020 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 7.8G 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 476 5147 0 2352 7216 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:32:80:b4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.37/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86020sec preferred_lft 86020sec inet6 fe80::f816:3eff:fe32:80b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3020) 09/06/25 _x86_64_ (4 CPU) 15:07:59 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 190.23 106.95 83.29 5381.77 40197.98 15:10:01 57.92 5.57 52.36 171.84 8646.16 15:11:01 57.71 24.36 33.36 1484.04 6675.64 15:12:01 8.65 0.00 8.65 0.00 330.96 15:13:01 48.05 2.15 45.90 115.16 8878.37 15:14:01 26.80 0.70 26.10 77.85 4856.39 Average: 64.89 23.29 41.61 1205.05 11597.06 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 6020672 7410352 2146748 26.28 36172 1533956 692452 7.51 589320 1395676 72040 15:10:01 5833104 7471600 2334316 28.58 55680 1747320 609364 6.61 532652 1607008 122784 15:11:01 5532492 7276828 2634928 32.26 58872 1848052 809952 8.79 742260 1694280 1452 15:12:01 5513136 7264708 2654284 32.50 60800 1852476 809952 8.79 755676 1697812 2380 15:13:01 5268792 7378960 2898628 35.49 65760 2198664 699820 7.59 676424 2006200 114964 15:14:01 5262048 7378284 2905372 35.57 68236 2201896 689264 7.48 685616 2004136 9920 Average: 5571707 7363455 2595713 31.78 57587 1897061 718467 7.80 663658 1734185 53923 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 lo 2.13 2.13 0.20 0.20 0.00 0.00 0.00 0.00 15:09:01 ens3 443.31 227.43 1203.26 65.69 0.00 0.00 0.00 0.00 15:10:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 15:10:01 ens3 42.04 34.26 534.59 5.08 0.00 0.00 0.00 0.00 15:11:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 15:11:01 ens3 132.36 120.91 923.37 20.04 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 58.48 83.31 63.39 13.58 0.00 0.00 0.00 0.00 15:13:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 583.82 537.90 4084.97 74.13 0.00 0.00 0.00 0.00 15:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:14:01 ens3 15.45 14.43 15.15 6.19 0.00 0.00 0.00 0.00 Average: lo 0.89 0.89 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 212.58 169.71 1137.50 30.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3020) 09/06/25 _x86_64_ (4 CPU) 15:07:59 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 21.85 0.00 2.86 6.40 1.51 67.38 15:09:01 0 30.04 0.00 2.70 5.11 1.61 60.54 15:09:01 1 13.82 0.00 1.85 7.78 1.08 75.47 15:09:01 2 13.31 0.00 4.24 6.46 1.49 74.50 15:09:01 3 30.25 0.00 2.67 6.27 1.85 58.97 15:10:01 all 21.07 0.00 1.25 1.68 1.09 74.92 15:10:01 0 28.57 0.00 1.37 0.70 1.25 68.12 15:10:01 1 8.36 0.00 0.95 5.70 0.91 84.07 15:10:01 2 15.69 0.00 0.79 0.05 0.96 82.51 15:10:01 3 31.73 0.00 1.85 0.25 1.22 64.96 15:11:01 all 13.90 0.00 0.85 0.90 1.36 83.00 15:11:01 0 16.31 0.00 1.27 0.78 1.60 80.03 15:11:01 1 21.15 0.00 0.65 1.33 1.36 75.51 15:11:01 2 9.42 0.00 0.65 0.73 1.18 88.03 15:11:01 3 8.71 0.00 0.85 0.78 1.28 88.38 15:12:01 all 4.07 0.00 0.29 0.03 0.87 94.75 15:12:01 0 4.82 0.00 0.25 0.00 0.75 94.18 15:12:01 1 6.04 0.00 0.50 0.00 1.16 92.31 15:12:01 2 2.58 0.00 0.22 0.10 0.46 96.64 15:12:01 3 2.82 0.00 0.23 0.00 1.11 95.84 15:13:01 all 18.26 0.00 1.61 0.60 2.26 77.28 15:13:01 0 20.49 0.00 2.34 0.40 2.29 74.48 15:13:01 1 22.86 0.00 1.10 0.13 1.91 73.99 15:13:01 2 18.09 0.00 1.42 1.69 2.36 76.44 15:13:01 3 11.61 0.00 1.54 0.18 2.46 84.21 15:14:01 all 20.85 0.00 0.90 0.89 1.07 76.29 15:14:01 0 19.85 0.00 0.87 0.20 0.88 78.20 15:14:01 1 16.03 0.00 0.66 0.15 1.32 81.83 15:14:01 2 21.60 0.00 1.33 3.10 0.98 72.99 15:14:01 3 25.92 0.00 0.73 0.10 1.10 72.15 Average: all 16.66 0.00 1.29 1.75 1.36 78.94 Average: 0 20.01 0.00 1.47 1.20 1.40 75.93 Average: 1 14.71 0.00 0.95 2.51 1.29 80.54 Average: 2 13.45 0.00 1.44 2.02 1.24 81.86 Average: 3 18.49 0.00 1.31 1.26 1.50 77.44