---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2458 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 7.6G 12G 40% / 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 490 5323 0 2162 7204 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:f3:ee:6d brd ff:ff:ff:ff:ff:ff inet 10.32.7.132/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fef3:ee6d/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-2458) 06/02/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 169.21 87.40 81.81 4971.54 40134.64 19:15:01 54.22 0.18 54.04 22.00 9108.08 19:16:01 85.72 18.64 67.08 669.64 9889.50 19:17:01 25.33 3.03 22.30 123.31 4474.85 Average: 83.62 27.32 56.31 1446.74 15902.53 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 6041972 7433708 2125440 26.02 36060 1536488 681588 7.40 563204 1399544 71504 19:15:01 5680168 7385864 2487244 30.45 57092 1811020 719096 7.80 612840 1673580 173616 19:16:01 5464536 7381416 2702876 33.09 63712 2010440 699364 7.59 714820 1777464 102236 19:17:01 5474200 7399672 2693212 32.98 65952 2016216 668664 7.26 705376 1776228 8100 Average: 5665219 7400165 2502193 30.64 55704 1843541 692178 7.51 649060 1656704 88864 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 2.00 2.00 0.18 0.18 0.00 0.00 0.00 0.00 19:14:01 ens3 441.57 246.80 1283.93 67.73 0.00 0.00 0.00 0.00 19:15:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 19:15:01 ens3 55.97 45.66 666.99 5.21 0.00 0.00 0.00 0.00 19:16:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 19:16:01 ens3 274.26 286.65 1402.16 57.12 0.00 0.00 0.00 0.00 19:17:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 19:17:01 ens3 51.29 57.36 30.25 535.59 0.00 0.00 0.00 0.00 Average: lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 205.79 159.13 845.88 166.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2458) 06/02/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 21.90 0.00 3.19 5.36 1.42 68.13 19:14:01 0 9.83 0.00 4.08 3.43 1.09 81.57 19:14:01 1 33.36 0.00 3.12 7.68 1.82 54.01 19:14:01 2 23.19 0.00 2.64 2.54 1.30 70.34 19:14:01 3 21.18 0.00 2.94 7.78 1.50 66.60 19:15:01 all 20.45 0.00 1.23 1.89 0.74 75.70 19:15:01 0 17.26 0.00 0.81 0.15 0.66 81.11 19:15:01 1 14.03 0.00 1.38 0.85 0.48 83.25 19:15:01 2 27.38 0.00 1.30 0.37 1.02 69.95 19:15:01 3 23.13 0.00 1.42 6.19 0.77 68.50 19:16:01 all 41.94 0.00 2.16 1.76 3.05 51.09 19:16:01 0 51.42 0.00 1.74 1.48 3.12 42.23 19:16:01 1 46.22 0.00 1.68 0.75 2.91 48.45 19:16:01 2 30.23 0.00 2.05 2.36 2.71 62.65 19:16:01 3 39.89 0.00 3.15 2.44 3.46 51.06 19:17:01 all 21.02 0.00 1.13 0.90 0.76 76.20 19:17:01 0 11.76 0.00 1.18 0.98 0.58 85.49 19:17:01 1 38.23 0.00 1.17 0.15 1.02 59.44 19:17:01 2 15.01 0.00 1.50 2.23 0.63 80.63 19:17:01 3 19.07 0.00 0.68 0.22 0.82 79.21 Average: all 26.34 0.00 1.93 2.47 1.49 67.77 Average: 0 22.60 0.00 1.95 1.51 1.37 72.58 Average: 1 32.97 0.00 1.84 2.35 1.56 61.28 Average: 2 23.95 0.00 1.87 1.87 1.42 70.89 Average: 3 25.84 0.00 2.05 4.15 1.64 66.32