---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4950 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.8G 12G 41% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 458 5210 0 2306 7234 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:37:e0:47 brd ff:ff:ff:ff:ff:ff inet 10.32.6.191/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86022sec preferred_lft 86022sec inet6 fe80::f816:3eff:fe37:e047/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4950) 07/05/25 _x86_64_ (4 CPU) 03:47:59 LINUX RESTART (4 CPU) 03:48:01 tps rtps wtps bread/s bwrtn/s 03:49:02 188.57 107.86 80.71 5386.20 40107.31 03:50:01 53.80 0.22 53.58 27.11 8813.15 03:51:01 46.41 12.33 34.08 243.29 6757.54 03:52:01 8.85 0.00 8.85 0.00 331.62 03:53:01 47.77 0.40 47.37 14.40 8899.73 03:54:01 26.51 0.70 25.81 77.84 4738.15 Average: 62.01 20.31 41.70 960.81 11615.99 03:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:49:02 6042336 7429560 2125084 26.02 35772 1531896 684836 7.43 568316 1393488 70384 03:50:01 5762304 7399228 2405116 29.45 55120 1747028 699032 7.58 611720 1599100 125996 03:51:01 5532444 7236784 2634976 32.26 58660 1808360 879936 9.55 782924 1652340 1376 03:52:01 5513816 7225356 2653604 32.49 60600 1812736 879936 9.55 795816 1655916 2372 03:53:01 5311644 7377436 2855776 34.97 65644 2154608 716364 7.77 660792 1978776 114308 03:54:01 5328492 7398844 2838928 34.76 67796 2156684 700904 7.61 645588 1976484 10772 Average: 5581839 7344535 2585581 31.66 57265 1868552 760168 8.25 677526 1709351 54201 03:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:49:02 lo 2.20 2.20 0.20 0.20 0.00 0.00 0.00 0.00 03:49:02 ens3 358.51 170.06 1190.51 61.10 0.00 0.00 0.00 0.00 03:50:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 03:50:01 ens3 40.61 33.06 548.98 4.40 0.00 0.00 0.00 0.00 03:51:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 03:51:01 ens3 109.43 98.78 944.90 16.94 0.00 0.00 0.00 0.00 03:52:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:52:01 ens3 57.81 83.19 60.35 13.09 0.00 0.00 0.00 0.00 03:53:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:53:01 ens3 588.48 509.55 4041.47 73.45 0.00 0.00 0.00 0.00 03:54:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 03:54:01 ens3 11.63 12.48 9.12 5.96 0.00 0.00 0.00 0.00 Average: lo 0.89 0.89 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 194.82 151.50 1134.02 29.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4950) 07/05/25 _x86_64_ (4 CPU) 03:47:59 LINUX RESTART (4 CPU) 03:48:01 CPU %user %nice %system %iowait %steal %idle 03:49:02 all 20.17 0.00 2.91 6.91 3.46 66.55 03:49:02 0 11.44 0.00 1.57 5.83 2.86 78.29 03:49:02 1 31.04 0.00 2.48 2.95 3.81 59.72 03:49:02 2 23.51 0.00 5.05 6.43 4.24 60.77 03:49:02 3 14.67 0.00 2.53 12.48 2.89 67.43 03:50:01 all 20.08 0.00 1.30 1.88 1.31 75.44 03:50:01 0 3.05 0.00 0.27 0.00 0.31 96.37 03:50:01 1 22.59 0.00 1.31 0.39 1.36 74.36 03:50:01 2 28.48 0.00 1.73 5.77 2.03 62.00 03:50:01 3 26.16 0.00 1.87 1.33 1.55 69.09 03:51:01 all 15.51 0.00 0.90 0.63 3.16 79.80 03:51:01 0 10.15 0.00 0.99 0.03 2.93 85.89 03:51:01 1 20.21 0.00 0.81 0.58 3.50 74.90 03:51:01 2 16.99 0.00 1.43 1.72 3.68 76.18 03:51:01 3 14.70 0.00 0.36 0.20 2.54 82.20 03:52:01 all 4.66 0.00 0.41 0.03 1.15 93.74 03:52:01 0 1.48 0.00 0.15 0.00 0.42 97.95 03:52:01 1 8.37 0.00 0.37 0.00 1.46 89.80 03:52:01 2 3.68 0.00 0.23 0.13 1.50 94.46 03:52:01 3 5.15 0.00 0.87 0.00 1.22 92.77 03:53:01 all 18.44 0.00 1.50 0.69 3.23 76.14 03:53:01 0 13.20 0.00 1.67 1.21 3.06 80.88 03:53:01 1 11.15 0.00 1.14 0.21 2.59 84.90 03:53:01 2 34.73 0.00 1.84 1.21 4.33 57.89 03:53:01 3 14.72 0.00 1.35 0.13 2.96 80.83 03:54:01 all 20.09 0.00 1.06 1.03 1.53 76.29 03:54:01 0 5.55 0.00 0.52 0.17 0.50 93.27 03:54:01 1 45.93 0.00 1.48 1.20 2.89 48.50 03:54:01 2 18.51 0.00 1.46 2.36 1.68 76.00 03:54:01 3 10.35 0.00 0.78 0.38 1.05 87.44 Average: all 16.49 0.00 1.35 1.86 2.31 77.99 Average: 0 7.51 0.00 0.87 1.21 1.69 88.73 Average: 1 23.22 0.00 1.26 0.89 2.61 72.02 Average: 2 20.97 0.00 1.96 2.93 2.91 71.23 Average: 3 14.25 0.00 1.29 2.42 2.04 80.00