---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-899 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: 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 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 7.7G 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 467 5154 0 2354 7225 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:dc:7b:17 brd ff:ff:ff:ff:ff:ff inet 10.32.7.151/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fedc:7b17/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-899) 04/18/26 _x86_64_ (4 CPU) 23:18:01 LINUX RESTART (4 CPU) 23:19:01 tps rtps wtps bread/s bwrtn/s 23:20:01 83.29 30.09 53.20 1660.38 8766.68 23:21:01 37.95 7.28 30.67 657.38 7660.91 23:22:01 10.56 4.08 6.48 152.77 3440.63 23:23:01 27.70 0.65 27.05 77.45 7741.24 Average: 39.88 10.53 29.35 637.04 6902.47 23:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:01 5704720 7402736 2462700 30.15 56656 1805764 755388 8.20 636564 1633076 126560 23:21:01 4851000 6756772 3316420 40.61 62444 2001168 1320052 14.32 1308964 1797424 94096 23:22:01 5320324 7427952 2847096 34.86 66088 2193772 646220 7.01 708968 1918888 192924 23:23:01 5302352 7418656 2865068 35.08 68664 2200500 663792 7.20 726676 1920632 9512 Average: 5294599 7251529 2872821 35.17 63463 2050301 846363 9.18 845293 1817505 105773 23:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:01 ens3 71.91 59.25 802.03 12.99 0.00 0.00 0.00 0.00 23:20:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 23:21:01 ens3 222.36 210.43 2785.89 27.14 0.00 0.00 0.00 0.00 23:21:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 23:22:01 ens3 131.91 119.96 1251.66 19.14 0.00 0.00 0.00 0.00 23:22:01 lo 123.50 123.50 36.47 36.47 0.00 0.00 0.00 0.00 23:23:01 ens3 9.95 9.97 7.85 5.06 0.00 0.00 0.00 0.00 23:23:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 109.04 99.90 1211.91 16.08 0.00 0.00 0.00 0.00 Average: lo 31.50 31.50 9.17 9.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-899) 04/18/26 _x86_64_ (4 CPU) 23:18:01 LINUX RESTART (4 CPU) 23:19:01 CPU %user %nice %system %iowait %steal %idle 23:20:01 all 22.63 0.00 1.44 2.12 0.90 72.92 23:20:01 0 14.31 0.00 0.88 2.45 0.65 81.71 23:20:01 1 8.71 0.00 0.80 3.85 0.68 85.96 23:20:01 2 38.81 0.00 2.55 0.97 1.33 56.34 23:20:01 3 28.72 0.00 1.54 1.19 0.92 67.64 23:21:01 all 30.67 0.00 1.28 0.82 1.82 65.41 23:21:01 0 30.83 0.00 0.72 0.62 1.81 66.02 23:21:01 1 28.52 0.00 1.37 1.78 1.75 66.57 23:21:01 2 34.92 0.00 1.03 0.18 1.79 62.08 23:21:01 3 28.42 0.00 2.03 0.68 1.93 66.95 23:22:01 all 43.14 0.00 1.51 0.17 2.46 52.72 23:22:01 0 44.72 0.00 1.31 0.20 2.36 51.40 23:22:01 1 51.64 0.00 1.07 0.05 2.55 44.70 23:22:01 2 36.92 0.00 1.35 0.22 2.31 59.20 23:22:01 3 39.27 0.00 2.29 0.23 2.64 55.57 23:23:01 all 18.87 0.00 0.89 0.65 0.59 79.00 23:23:01 0 1.87 0.00 0.52 1.87 0.15 95.60 23:23:01 1 55.90 0.00 1.72 0.27 1.42 40.70 23:23:01 2 4.49 0.00 0.40 0.45 0.45 94.21 23:23:01 3 13.25 0.00 0.95 0.02 0.35 85.44 Average: all 28.83 0.00 1.28 0.94 1.44 67.51 Average: 0 22.95 0.00 0.86 1.28 1.24 73.66 Average: 1 36.19 0.00 1.24 1.49 1.60 59.49 Average: 2 28.78 0.00 1.33 0.45 1.47 67.96 Average: 3 27.41 0.00 1.70 0.53 1.46 68.90