---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-18109 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: 2799.998 BogoMIPS: 5599.99 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 9.9G 68G 13% / 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 1446 10804 0 3788 14262 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:5d:94:53 brd ff:ff:ff:ff:ff:ff inet 10.30.107.170/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86097sec preferred_lft 86097sec inet6 fe80::f816:3eff:fe5d:9453/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18109) 09/05/26 _x86_64_ (4 CPU) 12:17:21 LINUX RESTART (4 CPU) 12:18:01 tps rtps wtps bread/s bwrtn/s 12:19:02 161.11 28.78 132.33 1676.52 51014.43 12:20:01 103.88 14.30 89.58 830.50 18315.68 12:21:01 9.82 0.00 9.82 0.00 11402.37 12:22:01 34.16 3.23 30.93 140.78 34877.12 Average: 77.13 11.57 65.56 661.24 28946.69 12:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:19:02 12531868 15373248 3893100 23.70 71684 2946540 993264 5.68 861404 2770380 196904 12:20:01 11014688 14163792 5410280 32.94 78500 3237944 2037636 11.66 2124760 3003832 116748 12:21:01 10871040 14127224 5553928 33.81 78604 3341980 2037636 11.66 2161148 3107672 96604 12:22:01 10825740 14594464 5599228 34.09 80276 3838700 1651704 9.45 2054236 3249512 27972 Average: 11310834 14564682 5114134 31.14 77266 3341291 1680060 9.61 1800387 3032849 109557 12:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:19:02 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 12:19:02 ens3 644.88 532.81 18294.87 48.76 0.00 0.00 0.00 0.00 12:20:01 lo 819.74 819.74 62.84 62.84 0.00 0.00 0.00 0.00 12:20:01 ens3 4238.37 2755.77 3604.52 1209.73 0.00 0.00 0.00 0.00 12:21:01 lo 998.82 998.82 76.57 76.57 0.00 0.00 0.00 0.00 12:21:01 ens3 5321.85 4241.66 1350.08 1932.41 0.00 0.00 0.00 0.00 12:22:01 lo 80.62 80.62 6.18 6.18 0.00 0.00 0.00 0.00 12:22:01 ens3 880.65 709.60 822.53 437.39 0.00 0.00 0.00 0.00 Average: lo 473.54 473.54 36.31 36.31 0.00 0.00 0.00 0.00 Average: ens3 2765.30 2057.05 6028.10 905.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18109) 09/05/26 _x86_64_ (4 CPU) 12:17:21 LINUX RESTART (4 CPU) 12:18:01 CPU %user %nice %system %iowait %steal %idle 12:19:02 all 20.59 0.00 2.23 2.17 0.01 74.99 12:19:02 0 10.59 0.00 2.58 5.40 0.02 81.42 12:19:02 1 30.04 0.00 3.00 1.71 0.00 65.25 12:19:02 2 11.40 0.00 0.79 0.67 0.00 87.14 12:19:02 3 30.30 0.00 2.53 0.94 0.02 66.21 12:20:01 all 46.32 0.00 16.45 0.42 0.03 36.78 12:20:01 0 44.21 0.00 7.81 0.56 0.03 47.38 12:20:01 1 43.57 0.00 13.38 0.85 0.03 42.17 12:20:01 2 51.71 0.00 21.66 0.12 0.02 26.49 12:20:01 3 45.78 0.00 22.96 0.14 0.03 31.09 12:21:01 all 19.87 0.00 40.38 0.20 0.03 39.52 12:21:01 0 20.64 0.00 45.21 0.20 0.02 33.93 12:21:01 1 20.72 0.00 34.55 0.57 0.03 44.13 12:21:01 2 22.65 0.00 56.89 0.03 0.05 20.38 12:21:01 3 15.47 0.00 24.79 0.00 0.02 59.72 12:22:01 all 30.35 0.00 3.92 0.44 0.02 65.26 12:22:01 0 25.63 0.00 4.83 0.15 0.02 69.37 12:22:01 1 29.93 0.00 2.02 0.05 0.02 67.99 12:22:01 2 25.45 0.00 2.74 1.31 0.02 70.48 12:22:01 3 40.42 0.00 6.10 0.27 0.03 53.18 Average: all 29.22 0.00 15.72 0.81 0.02 54.22 Average: 0 25.21 0.00 15.12 1.57 0.02 58.07 Average: 1 31.02 0.00 13.19 0.80 0.02 54.97 Average: 2 27.71 0.00 20.51 0.53 0.02 51.22 Average: 3 32.95 0.00 14.05 0.34 0.03 52.63