---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-11748 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.5G 69G 11% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 622 13020 0 2397 15099 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:3c:1a:61 brd ff:ff:ff:ff:ff:ff inet 10.30.107.81/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85896sec preferred_lft 85896sec inet6 fe80::f816:3eff:fe3c:1a61/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-11748) 11/10/25 _x86_64_ (4 CPU) 21:10:22 LINUX RESTART (4 CPU) 21:11:01 tps rtps wtps bread/s bwrtn/s 21:12:01 52.37 0.17 52.20 5.86 28809.06 21:13:01 52.77 0.17 52.61 26.26 30300.68 21:14:01 133.58 40.69 92.88 2485.72 11309.32 21:15:01 21.21 2.58 18.63 79.04 3364.75 21:16:01 1.67 0.00 1.67 0.00 35.99 21:17:01 13.78 2.73 11.05 208.77 4476.85 21:18:01 27.13 1.60 25.53 113.31 3660.46 Average: 43.21 6.85 36.37 416.98 11708.37 21:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:12:01 14142952 15511604 2282008 13.89 46908 1533684 845732 4.84 698288 1391824 9736 21:13:01 14025900 15581056 2399060 14.61 61904 1694720 757848 4.34 633696 1552144 110720 21:14:01 12732480 14549868 3692480 22.48 74316 1933256 1830100 10.47 1735576 1717568 18140 21:15:01 12567068 14465808 3857892 23.49 76336 2009924 1789176 10.24 1843824 1769744 664 21:16:01 12557652 14456384 3867308 23.55 76416 2009944 1789176 10.24 1853768 1769772 40 21:17:01 12955716 15049908 3469244 21.12 78800 2198388 1233128 7.06 1311016 1905692 58076 21:18:01 13358368 15483948 3066592 18.67 81976 2225636 817084 4.68 908656 1905872 25656 Average: 13191448 15014082 3233512 19.69 70951 1943650 1294606 7.41 1283546 1716088 31862 21:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:12:01 ens3 20.04 15.48 250.52 3.08 0.00 0.00 0.00 0.00 21:12:01 lo 0.40 0.40 0.05 0.05 0.00 0.00 0.00 0.00 21:13:01 ens3 35.61 20.53 550.21 2.94 0.00 0.00 0.00 0.00 21:13:01 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 21:14:01 ens3 486.25 295.70 1561.62 94.32 0.00 0.00 0.00 0.00 21:14:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 21:15:01 ens3 241.59 144.27 1059.79 51.35 0.00 0.00 0.00 0.00 21:15:01 lo 1.97 1.97 0.10 0.10 0.00 0.00 0.00 0.00 21:16:01 ens3 129.25 65.04 29.28 21.73 0.00 0.00 0.00 0.00 21:16:01 lo 4.83 4.83 0.24 0.24 0.00 0.00 0.00 0.00 21:17:01 ens3 609.58 434.11 2914.38 112.43 0.00 0.00 0.00 0.00 21:17:01 lo 17.03 17.03 2.61 2.61 0.00 0.00 0.00 0.00 21:18:01 ens3 370.32 212.51 290.80 120.12 0.00 0.00 0.00 0.00 21:18:01 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 270.37 169.66 950.93 57.99 0.00 0.00 0.00 0.00 Average: lo 3.65 3.65 0.45 0.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-11748) 11/10/25 _x86_64_ (4 CPU) 21:10:22 LINUX RESTART (4 CPU) 21:11:01 CPU %user %nice %system %iowait %steal %idle 21:12:01 all 4.41 0.00 0.32 3.15 0.02 92.10 21:12:01 0 1.77 0.00 0.20 0.02 0.00 98.02 21:12:01 1 0.12 0.00 0.18 11.35 0.03 88.32 21:12:01 2 10.36 0.00 0.38 0.77 0.03 88.45 21:12:01 3 5.39 0.00 0.50 0.48 0.02 93.61 21:13:01 all 6.39 0.00 0.59 3.48 0.02 89.51 21:13:01 0 1.25 0.00 0.10 0.00 0.02 98.63 21:13:01 1 0.18 0.00 0.25 11.86 0.02 87.69 21:13:01 2 15.60 0.00 1.48 1.10 0.05 81.77 21:13:01 3 8.53 0.00 0.50 0.99 0.03 89.95 21:14:01 all 42.27 0.00 1.68 1.02 0.08 54.96 21:14:01 0 37.66 0.00 1.12 0.48 0.07 60.67 21:14:01 1 40.20 0.00 1.51 1.09 0.07 57.13 21:14:01 2 50.08 0.00 2.59 0.48 0.08 46.77 21:14:01 3 41.10 0.00 1.51 2.04 0.07 55.29 21:15:01 all 29.11 0.00 0.91 0.14 0.06 69.78 21:15:01 0 32.99 0.00 0.52 0.00 0.05 66.44 21:15:01 1 27.90 0.00 1.45 0.10 0.07 70.48 21:15:01 2 30.32 0.00 0.78 0.07 0.05 68.78 21:15:01 3 25.22 0.00 0.89 0.40 0.07 73.43 21:16:01 all 1.17 0.00 0.15 0.01 0.03 98.63 21:16:01 0 2.32 0.00 0.13 0.00 0.03 97.51 21:16:01 1 0.90 0.00 0.17 0.03 0.05 98.85 21:16:01 2 0.77 0.00 0.20 0.00 0.02 99.02 21:16:01 3 0.67 0.00 0.10 0.02 0.03 99.18 21:17:01 all 35.38 0.00 1.48 0.11 0.07 62.95 21:17:01 0 35.06 0.00 1.81 0.27 0.07 62.79 21:17:01 1 35.05 0.00 1.09 0.03 0.07 63.76 21:17:01 2 34.99 0.00 1.56 0.10 0.07 63.28 21:17:01 3 36.44 0.00 1.51 0.02 0.07 61.97 21:18:01 all 29.23 0.00 1.32 0.60 0.05 68.80 21:18:01 0 35.02 0.00 1.32 0.10 0.05 63.51 21:18:01 1 25.22 0.00 1.08 0.08 0.03 73.58 21:18:01 2 17.95 0.00 1.15 1.72 0.05 79.13 21:18:01 3 38.74 0.00 1.70 0.53 0.07 58.96 Average: all 21.10 0.00 0.92 1.22 0.05 76.71 Average: 0 20.82 0.00 0.74 0.12 0.04 78.28 Average: 1 18.49 0.00 0.82 3.51 0.05 77.13 Average: 2 22.85 0.00 1.16 0.61 0.05 75.33 Average: 3 22.24 0.00 0.95 0.64 0.05 76.11