---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1421 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 475 5315 0 2184 7220 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:8d:2f:93 brd ff:ff:ff:ff:ff:ff inet 10.32.7.235/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe8d:2f93/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1421) 05/21/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 157.24 74.02 83.22 4407.80 40958.39 12:49:01 85.75 30.04 55.71 1701.58 9111.41 12:50:01 69.49 8.85 60.65 510.63 7346.22 12:51:01 26.71 3.47 23.24 132.76 4998.60 Average: 84.80 29.09 55.70 1688.08 15602.87 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5973872 7405044 2193548 26.86 37264 1573792 709608 7.70 594672 1434432 89220 12:49:01 5593760 7302448 2573660 31.51 57936 1814516 818444 8.88 717040 1658872 101644 12:50:01 5476844 7410992 2690576 32.94 65316 2026156 682588 7.41 725008 1755600 113892 12:51:01 5454708 7411744 2712712 33.21 67584 2046132 672284 7.29 733944 1766688 16892 Average: 5624796 7382557 2542624 31.13 57025 1865149 720731 7.82 692666 1653898 80412 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 ens3 450.19 254.89 1591.65 67.15 0.00 0.00 0.00 0.00 12:48:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 12:49:01 ens3 79.55 72.74 466.92 18.66 0.00 0.00 0.00 0.00 12:49:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 12:50:01 ens3 384.56 378.94 1555.77 76.52 0.00 0.00 0.00 0.00 12:50:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 12:51:01 ens3 59.50 65.81 28.87 596.97 0.00 0.00 0.00 0.00 12:51:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 243.45 193.10 910.79 189.84 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1421) 05/21/26 _x86_64_ (4 CPU) 12:46:56 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 21.17 0.00 2.69 5.54 3.20 67.40 12:48:01 0 20.24 0.00 4.16 3.90 3.26 68.44 12:48:01 1 37.48 0.00 2.40 2.17 3.57 54.37 12:48:01 2 7.08 0.00 2.23 13.05 3.23 74.41 12:48:01 3 19.95 0.00 1.95 3.00 2.72 72.38 12:49:01 all 23.58 0.00 1.66 2.39 3.00 69.36 12:49:01 0 29.26 0.00 1.76 3.05 4.49 61.44 12:49:01 1 39.41 0.00 2.53 0.88 3.07 54.12 12:49:01 2 10.94 0.00 1.17 3.79 2.59 81.51 12:49:01 3 14.64 0.00 1.21 1.84 1.87 80.44 12:50:01 all 39.51 0.00 2.18 1.16 6.04 51.11 12:50:01 0 35.88 0.00 2.54 1.97 5.97 53.63 12:50:01 1 50.00 0.00 1.63 0.21 5.28 42.87 12:50:01 2 37.21 0.00 2.40 1.27 7.32 51.79 12:50:01 3 35.10 0.00 2.08 1.16 5.55 56.10 12:51:01 all 20.23 0.00 1.01 1.07 1.82 75.86 12:51:01 0 6.95 0.00 0.74 0.89 1.50 89.92 12:51:01 1 44.44 0.00 1.41 0.30 2.14 51.71 12:51:01 2 29.09 0.00 1.34 0.68 2.28 66.61 12:51:01 3 0.68 0.00 0.56 2.43 1.34 95.00 Average: all 26.15 0.00 1.89 2.54 3.52 65.90 Average: 0 23.13 0.00 2.30 2.46 3.81 68.30 Average: 1 42.83 0.00 2.00 0.89 3.52 50.77 Average: 2 21.12 0.00 1.79 4.70 3.87 68.53 Average: 3 17.63 0.00 1.45 2.11 2.88 75.94