---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6513 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 672K 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 607 12565 0 2867 15103 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:06:a1:8c brd ff:ff:ff:ff:ff:ff inet 10.30.106.106/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fe06:a18c/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-6513) 10/02/26 _x86_64_ (4 CPU) 03:04:22 LINUX RESTART (4 CPU) 03:05:02 tps rtps wtps bread/s bwrtn/s 03:06:01 141.15 11.34 129.81 314.39 49192.07 03:07:01 96.00 4.30 91.70 119.29 13019.39 03:08:01 13.68 5.27 8.42 408.27 990.13 03:09:01 40.74 2.72 38.03 136.64 19562.47 Average: 72.61 5.88 66.73 244.34 20572.29 03:05:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13761912 15562744 2663056 16.21 72064 1919932 772788 4.42 664956 1769684 195268 03:07:01 12792784 14788256 3632184 22.11 85452 2091712 1504140 8.61 1464840 1917360 16476 03:08:01 12299096 14333204 4125872 25.12 87148 2127192 1852700 10.60 1950424 1920812 16756 03:09:01 12902276 15503224 3522692 21.45 90816 2681880 800976 4.58 1000872 2254392 27036 Average: 12939017 15046857 3485951 21.22 83870 2205179 1232651 7.05 1270273 1965562 63884 03:05:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 165.12 118.95 1687.61 26.50 0.00 0.00 0.00 0.00 03:06:01 lo 0.75 0.75 0.09 0.09 0.00 0.00 0.00 0.00 03:07:01 ens3 312.90 253.90 2523.53 59.53 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 1353.63 984.52 410.51 433.61 0.00 0.00 0.00 0.00 03:08:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:09:01 ens3 304.03 278.84 765.02 1816.17 0.00 0.00 0.00 0.00 03:09:01 lo 2.68 2.68 0.24 0.24 0.00 0.00 0.00 0.00 Average: ens3 535.42 410.23 1345.33 586.27 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-6513) 10/02/26 _x86_64_ (4 CPU) 03:04:22 LINUX RESTART (4 CPU) 03:05:02 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 14.91 0.00 1.43 2.66 0.01 80.99 03:06:01 0 13.30 0.00 2.06 3.18 0.00 81.47 03:06:01 1 25.79 0.00 2.05 3.92 0.02 68.22 03:06:01 2 11.12 0.00 0.96 0.30 0.00 87.61 03:06:01 3 9.45 0.00 0.64 3.27 0.00 86.63 03:07:01 all 26.55 0.00 1.70 0.31 0.01 71.43 03:07:01 0 29.40 0.00 1.70 0.12 0.02 68.77 03:07:01 1 22.50 0.00 0.99 0.69 0.02 75.81 03:07:01 2 27.13 0.00 1.14 0.03 0.02 71.68 03:07:01 3 27.17 0.00 2.98 0.37 0.02 69.47 03:08:01 all 32.98 0.00 5.88 0.10 0.02 61.01 03:08:01 0 32.31 0.00 3.59 0.07 0.02 64.02 03:08:01 1 24.78 0.00 8.54 0.03 0.00 66.64 03:08:01 2 49.92 0.00 5.92 0.15 0.02 43.98 03:08:01 3 24.97 0.00 5.47 0.17 0.02 69.38 03:09:01 all 37.54 0.00 2.72 0.38 0.03 59.33 03:09:01 0 34.39 0.00 2.64 1.37 0.03 61.57 03:09:01 1 44.35 0.00 3.38 0.02 0.03 52.22 03:09:01 2 44.18 0.00 3.07 0.03 0.03 52.69 03:09:01 3 27.26 0.00 1.80 0.12 0.02 70.81 Average: all 28.05 0.00 2.94 0.86 0.02 68.14 Average: 0 27.41 0.00 2.50 1.18 0.02 68.90 Average: 1 29.36 0.00 3.75 1.15 0.02 65.71 Average: 2 33.15 0.00 2.78 0.13 0.02 63.93 Average: 3 22.26 0.00 2.73 0.97 0.01 74.02