---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1089 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 7.9G 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 450 5020 0 2504 7237 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:a7:ed:99 brd ff:ff:ff:ff:ff:ff inet 10.32.7.120/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fea7:ed99/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1089) 10/24/26 _x86_64_ (4 CPU) 23:17:51 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 132.79 54.82 77.97 3585.07 8001.87 23:20:01 103.08 36.88 66.21 2255.22 14150.04 23:21:01 22.54 10.35 12.20 773.34 6805.60 23:22:01 38.28 1.35 36.93 93.05 8296.08 Average: 74.17 25.85 48.33 1676.71 9313.24 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 5889112 7470664 2278300 27.90 49688 1702168 655980 7.12 514468 1580656 200616 23:20:01 5361892 7299680 2805520 34.35 62208 2032528 805804 8.74 728148 1866956 97804 23:21:01 4708848 6798872 3458564 42.35 66528 2175192 1220696 13.25 1277400 1956292 29904 23:22:01 5108944 7378712 3058468 37.45 71372 2346748 713608 7.74 770724 2058564 9972 Average: 5267199 7236982 2900213 35.51 62449 2064159 849022 9.21 822685 1865617 84574 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 23:19:01 ens3 409.90 250.57 1808.72 67.30 0.00 0.00 0.00 0.00 23:20:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 23:20:01 ens3 139.48 137.14 2255.55 24.03 0.00 0.00 0.00 0.00 23:21:01 lo 121.41 121.41 36.47 36.47 0.00 0.00 0.00 0.00 23:21:01 ens3 111.10 115.84 1845.76 18.67 0.00 0.00 0.00 0.00 23:22:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 23:22:01 ens3 77.40 73.42 867.67 18.16 0.00 0.00 0.00 0.00 Average: lo 31.22 31.22 9.20 9.20 0.00 0.00 0.00 0.00 Average: ens3 184.47 144.25 1694.44 32.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1089) 10/24/26 _x86_64_ (4 CPU) 23:17:51 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 22.49 0.00 1.97 3.78 0.06 71.70 23:19:01 0 39.49 0.00 2.65 8.46 0.08 49.31 23:19:01 1 13.07 0.00 1.30 1.38 0.03 84.21 23:19:01 2 12.79 0.00 1.52 0.79 0.07 84.83 23:19:01 3 24.60 0.00 2.38 4.47 0.07 68.49 23:20:01 all 18.22 0.00 1.24 1.92 0.06 78.56 23:20:01 0 8.49 0.00 1.17 3.23 0.03 87.07 23:20:01 1 34.12 0.00 2.12 1.47 0.10 62.18 23:20:01 2 17.90 0.00 0.87 2.35 0.07 78.81 23:20:01 3 12.34 0.00 0.77 0.62 0.05 86.22 23:21:01 all 37.95 0.00 1.19 0.30 0.09 60.46 23:21:01 0 36.30 0.00 1.37 0.30 0.08 61.94 23:21:01 1 39.92 0.00 0.97 0.07 0.10 58.94 23:21:01 2 35.90 0.00 1.09 0.33 0.08 62.59 23:21:01 3 39.67 0.00 1.35 0.53 0.10 58.34 23:22:01 all 22.84 0.00 1.15 1.26 0.06 74.69 23:22:01 0 25.18 0.00 1.15 1.10 0.05 72.52 23:22:01 1 28.29 0.00 1.27 0.13 0.05 70.26 23:22:01 2 5.42 0.00 0.67 0.02 0.05 93.84 23:22:01 3 32.72 0.00 1.53 3.79 0.05 61.91 Average: all 25.38 0.00 1.39 1.81 0.07 71.35 Average: 0 27.38 0.00 1.59 3.27 0.06 67.70 Average: 1 28.85 0.00 1.41 0.76 0.07 68.90 Average: 2 17.96 0.00 1.04 0.87 0.07 80.07 Average: 3 27.34 0.00 1.51 2.35 0.07 68.73