---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-18512 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 9.6G 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 558 11889 0 3592 15151 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:72:4f:35 brd ff:ff:ff:ff:ff:ff inet 10.30.106.46/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fe72:4f35/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18512) 09/07/26 _x86_64_ (4 CPU) 11:36:34 LINUX RESTART (4 CPU) 11:37:01 tps rtps wtps bread/s bwrtn/s 11:38:01 105.23 4.03 101.20 64.12 38738.74 11:39:01 175.02 41.16 133.86 2449.59 41346.71 11:40:01 48.38 3.95 44.43 150.51 5609.87 11:41:01 166.64 5.75 160.89 169.31 18949.78 11:42:01 24.86 0.97 23.90 80.65 7644.99 Average: 104.03 11.17 92.85 582.84 22458.02 11:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:38:01 13825264 15603724 2599704 15.83 69244 1901188 733884 4.20 610456 1759968 276408 11:39:01 12657332 14740444 3767636 22.94 77472 2189444 1508664 8.63 1563416 1956472 11836 11:40:01 10984700 13639524 5440268 33.12 87928 2691556 2460116 14.08 2797472 2315416 377796 11:41:01 10325428 13242348 6099540 37.14 92388 2936200 2768116 15.84 3314836 2441112 74752 11:42:01 12173980 15512856 4250988 25.88 94664 3343656 802936 4.60 1275948 2626884 285112 Average: 11993341 14547779 4431627 26.98 84339 2612409 1654743 9.47 1912426 2219970 205181 11:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:38:01 lo 1.13 1.13 0.14 0.14 0.00 0.00 0.00 0.00 11:38:01 ens3 258.04 169.41 1325.88 16.76 0.00 0.00 0.00 0.00 11:39:01 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 11:39:01 ens3 380.52 302.07 2842.09 74.25 0.00 0.00 0.00 0.00 11:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 ens3 5.65 5.15 6.50 5.92 0.00 0.00 0.00 0.00 11:41:01 lo 1.37 1.37 13.52 13.52 0.00 0.00 0.00 0.00 11:41:01 ens3 189.94 160.44 1054.18 59.85 0.00 0.00 0.00 0.00 11:42:01 lo 0.50 0.50 0.06 0.06 0.00 0.00 0.00 0.00 11:42:01 ens3 100.23 85.02 342.16 44.13 0.00 0.00 0.00 0.00 Average: lo 0.72 0.72 2.75 2.75 0.00 0.00 0.00 0.00 Average: ens3 186.88 144.42 1114.16 40.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18512) 09/07/26 _x86_64_ (4 CPU) 11:36:34 LINUX RESTART (4 CPU) 11:37:01 CPU %user %nice %system %iowait %steal %idle 11:38:01 all 18.15 0.00 1.41 2.41 0.02 78.01 11:38:01 0 31.87 0.00 2.34 0.95 0.05 64.78 11:38:01 1 6.86 0.00 0.62 2.63 0.00 89.88 11:38:01 2 32.64 0.00 2.06 0.37 0.02 64.92 11:38:01 3 1.22 0.00 0.59 5.70 0.00 92.49 11:39:01 all 43.68 0.00 2.08 1.20 0.05 52.99 11:39:01 0 49.43 0.00 2.12 0.95 0.03 47.46 11:39:01 1 40.62 0.00 1.76 2.55 0.07 55.00 11:39:01 2 43.94 0.00 2.24 0.74 0.05 53.04 11:39:01 3 40.71 0.00 2.21 0.55 0.05 56.47 11:40:01 all 55.85 0.00 1.81 0.12 0.04 42.18 11:40:01 0 52.57 0.00 1.57 0.02 0.05 45.80 11:40:01 1 52.64 0.00 2.52 0.30 0.03 44.51 11:40:01 2 55.56 0.00 1.22 0.07 0.03 43.13 11:40:01 3 62.64 0.00 1.94 0.10 0.05 35.27 11:41:01 all 58.12 0.00 2.01 0.59 0.05 39.23 11:41:01 0 53.52 0.00 1.82 0.63 0.03 44.00 11:41:01 1 51.59 0.00 3.24 0.53 0.05 44.59 11:41:01 2 69.52 0.00 1.29 0.08 0.05 29.05 11:41:01 3 57.89 0.00 1.69 1.10 0.05 39.26 11:42:01 all 26.59 0.00 1.71 0.15 0.02 71.53 11:42:01 0 30.96 0.00 2.05 0.18 0.03 66.77 11:42:01 1 20.65 0.00 1.48 0.20 0.02 77.65 11:42:01 2 29.50 0.00 1.67 0.03 0.02 68.78 11:42:01 3 25.26 0.00 1.61 0.20 0.03 72.91 Average: all 40.49 0.00 1.80 0.89 0.04 56.78 Average: 0 43.67 0.00 1.98 0.55 0.04 53.76 Average: 1 34.49 0.00 1.93 1.24 0.03 62.31 Average: 2 46.23 0.00 1.69 0.26 0.03 51.78 Average: 3 37.55 0.00 1.61 1.53 0.04 59.28