---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1890 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: 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.5G 69G 11% / 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 633 13026 0 2380 15088 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:64:a0:12 brd ff:ff:ff:ff:ff:ff inet 10.30.106.191/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86002sec preferred_lft 86002sec inet6 fe80::f816:3eff:fe64:a012/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1890) 10/10/25 _x86_64_ (4 CPU) 21:10:47 LINUX RESTART (4 CPU) 21:11:01 tps rtps wtps bread/s bwrtn/s 21:12:02 384.14 70.29 313.85 3836.03 45944.48 21:13:01 146.81 41.42 105.39 2529.88 14473.34 21:14:01 18.88 2.55 16.33 77.05 3182.40 21:15:01 1.97 0.00 1.97 0.00 576.70 21:16:01 16.38 2.92 13.46 218.23 4844.79 21:17:01 30.04 1.27 28.78 101.32 4346.48 Average: 99.57 19.68 79.89 1123.18 12221.78 21:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:12:02 13955888 15515036 2469080 15.03 62388 1697908 825316 4.72 701364 1554824 174556 21:13:01 12262692 14107472 4162276 25.34 75076 1958744 2125120 12.16 2183032 1738836 13676 21:14:01 12220420 14128324 4204548 25.60 76536 2018544 2003592 11.47 2182372 1776892 816 21:15:01 12197304 14105300 4227664 25.74 76592 2018660 2003592 11.47 2206244 1777000 124 21:16:01 12572620 14667100 3852348 23.45 79328 2197208 1561228 8.93 1693296 1905480 58196 21:17:01 13349384 15466012 3075584 18.73 82240 2216432 836228 4.79 927496 1896664 16760 Average: 12759718 14664874 3665250 22.32 75360 2017916 1559179 8.92 1648967 1774949 44021 21:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:12:02 ens3 387.27 262.11 1741.10 75.34 0.00 0.00 0.00 0.00 21:12:02 lo 2.27 2.27 0.25 0.25 0.00 0.00 0.00 0.00 21:13:01 ens3 369.55 278.38 1843.81 77.48 0.00 0.00 0.00 0.00 21:13:01 lo 0.51 0.51 0.04 0.04 0.00 0.00 0.00 0.00 21:14:01 ens3 283.49 189.97 892.25 76.82 0.00 0.00 0.00 0.00 21:14:01 lo 1.90 1.90 0.10 0.10 0.00 0.00 0.00 0.00 21:15:01 ens3 5.53 5.18 1.30 2.80 0.00 0.00 0.00 0.00 21:15:01 lo 5.27 5.27 0.26 0.26 0.00 0.00 0.00 0.00 21:16:01 ens3 645.53 490.28 2549.12 142.41 0.00 0.00 0.00 0.00 21:16:01 lo 16.28 16.28 2.59 2.59 0.00 0.00 0.00 0.00 21:17:01 ens3 267.44 173.67 282.22 112.10 0.00 0.00 0.00 0.00 21:17:01 lo 0.60 0.60 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 326.35 233.14 1216.56 81.17 0.00 0.00 0.00 0.00 Average: lo 4.48 4.48 0.55 0.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1890) 10/10/25 _x86_64_ (4 CPU) 21:10:47 LINUX RESTART (4 CPU) 21:11:01 CPU %user %nice %system %iowait %steal %idle 21:12:02 all 20.75 0.00 2.30 8.40 0.05 68.50 21:12:02 0 17.71 0.00 2.54 13.59 0.07 66.09 21:12:02 1 25.78 0.00 2.09 4.76 0.05 67.32 21:12:02 2 17.50 0.00 1.84 3.89 0.05 76.72 21:12:02 3 22.00 0.00 2.70 11.37 0.05 63.88 21:13:01 all 53.07 0.00 2.06 2.58 0.09 42.20 21:13:01 0 65.03 0.00 2.64 1.14 0.10 31.09 21:13:01 1 48.41 0.00 1.69 1.40 0.10 48.41 21:13:01 2 48.43 0.00 2.08 4.38 0.07 45.04 21:13:01 3 50.42 0.00 1.82 3.41 0.08 44.26 21:14:01 all 23.11 0.00 0.83 1.04 0.05 74.97 21:14:01 0 23.53 0.00 0.90 0.00 0.05 75.52 21:14:01 1 22.80 0.00 0.59 0.03 0.03 76.55 21:14:01 2 24.05 0.00 0.87 3.90 0.07 71.11 21:14:01 3 22.03 0.00 0.99 0.23 0.05 76.70 21:15:01 all 1.11 0.00 0.10 0.07 0.02 98.70 21:15:01 0 0.83 0.00 0.08 0.00 0.02 99.07 21:15:01 1 1.67 0.00 0.12 0.00 0.02 98.20 21:15:01 2 1.03 0.00 0.12 0.00 0.03 98.82 21:15:01 3 0.87 0.00 0.10 0.27 0.03 98.73 21:16:01 all 43.62 0.00 1.60 0.15 0.08 54.54 21:16:01 0 42.92 0.00 1.82 0.07 0.08 55.11 21:16:01 1 38.60 0.00 1.63 0.07 0.08 59.62 21:16:01 2 46.55 0.00 1.32 0.07 0.08 51.99 21:16:01 3 46.47 0.00 1.62 0.40 0.07 51.44 21:17:01 all 22.56 0.00 1.33 5.57 0.05 70.49 21:17:01 0 32.48 0.00 1.76 1.72 0.07 63.97 21:17:01 1 20.18 0.00 1.10 0.61 0.07 78.05 21:17:01 2 15.97 0.00 1.04 0.94 0.03 82.02 21:17:01 3 21.45 0.00 1.43 18.96 0.07 58.10 Average: all 27.28 0.00 1.37 2.96 0.06 68.33 Average: 0 30.30 0.00 1.62 2.76 0.06 65.26 Average: 1 26.15 0.00 1.20 1.14 0.06 71.46 Average: 2 25.55 0.00 1.21 2.19 0.06 71.00 Average: 3 27.14 0.00 1.44 5.77 0.06 65.59