---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4906 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 554 12617 0 2868 15155 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:d5:c8:d8 brd ff:ff:ff:ff:ff:ff inet 10.30.107.159/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fed5:c8d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4906) 10/25/26 _x86_64_ (4 CPU) 03:04:44 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 127.55 18.91 108.63 697.35 53843.29 03:07:01 124.11 12.38 111.73 320.35 15509.82 03:08:01 37.05 6.08 30.97 428.26 5267.31 03:09:01 29.91 4.45 25.46 172.50 4262.36 Average: 79.65 10.46 69.20 404.62 19720.09 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13965492 15557660 2459468 14.97 62816 1730068 790580 4.52 657732 1587824 181248 03:07:01 13386324 15249768 3038636 18.50 81608 1967048 1207992 6.91 993656 1798308 10980 03:08:01 12360452 14378136 4064508 24.75 87116 2110200 1988140 11.38 1888772 1915516 5404 03:09:01 12921636 15518228 3503324 21.33 91096 2676144 812204 4.65 964956 2263492 478476 Average: 13158476 15175948 3266484 19.89 80659 2120865 1199729 6.87 1126279 1891285 169027 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 88.75 61.64 1125.29 9.22 0.00 0.00 0.00 0.00 03:06:01 lo 1.13 1.13 0.14 0.14 0.00 0.00 0.00 0.00 03:07:01 ens3 245.98 215.46 1407.24 75.02 0.00 0.00 0.00 0.00 03:07:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 03:08:01 ens3 1221.66 823.36 2135.03 345.11 0.00 0.00 0.00 0.00 03:08:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:09:01 ens3 507.50 325.90 799.86 1836.51 0.00 0.00 0.00 0.00 03:09:01 lo 2.82 2.82 0.25 0.25 0.00 0.00 0.00 0.00 Average: ens3 516.00 356.61 1366.89 566.45 0.00 0.00 0.00 0.00 Average: lo 1.19 1.19 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-4906) 10/25/26 _x86_64_ (4 CPU) 03:04:44 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 15.82 0.00 1.16 5.78 0.01 77.23 03:06:01 0 16.56 0.00 1.02 4.93 0.00 77.49 03:06:01 1 12.36 0.00 0.79 1.81 0.00 85.05 03:06:01 2 9.46 0.00 0.89 10.95 0.02 78.68 03:06:01 3 24.96 0.00 1.93 5.41 0.02 67.69 03:07:01 all 19.57 0.00 1.73 0.70 0.01 77.99 03:07:01 0 21.47 0.00 1.55 0.40 0.02 76.56 03:07:01 1 14.69 0.00 1.27 0.05 0.02 83.98 03:07:01 2 26.77 0.00 2.57 1.43 0.02 69.22 03:07:01 3 15.37 0.00 1.52 0.95 0.00 82.16 03:08:01 all 36.90 0.00 7.27 0.10 0.03 55.71 03:08:01 0 26.81 0.00 3.08 0.32 0.02 69.78 03:08:01 1 31.50 0.00 11.88 0.02 0.02 56.58 03:08:01 2 43.60 0.00 3.05 0.00 0.05 53.30 03:08:01 3 45.69 0.00 11.14 0.07 0.03 43.07 03:09:01 all 39.51 0.00 2.22 0.13 0.02 58.11 03:09:01 0 35.25 0.00 2.00 0.22 0.02 62.51 03:09:01 1 41.12 0.00 2.15 0.00 0.02 56.71 03:09:01 2 51.37 0.00 2.16 0.08 0.03 46.36 03:09:01 3 30.31 0.00 2.58 0.20 0.02 66.90 Average: all 27.96 0.00 3.10 1.67 0.02 67.25 Average: 0 25.02 0.00 1.91 1.46 0.01 71.59 Average: 1 24.92 0.00 4.03 0.47 0.01 70.57 Average: 2 32.82 0.00 2.16 3.11 0.03 61.87 Average: 3 29.08 0.00 4.29 1.66 0.02 64.96