---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3063 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 7.7G 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 473 5198 0 2303 7219 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:cd:36:c3 brd ff:ff:ff:ff:ff:ff inet 10.32.6.22/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fecd:36c3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3063) 09/06/25 _x86_64_ (4 CPU) 23:18:00 LINUX RESTART (4 CPU) 23:19:01 tps rtps wtps bread/s bwrtn/s 23:20:01 54.84 0.22 54.62 26.66 9131.14 23:21:01 65.73 33.77 31.96 2172.88 7021.79 23:22:01 16.45 7.13 9.32 248.36 3238.79 23:23:01 33.09 4.18 28.91 183.84 7561.94 Average: 42.53 11.33 31.20 658.00 6738.43 23:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:01 5847452 7483508 2319960 28.41 55804 1745292 594372 6.45 519324 1606100 122040 23:21:01 5068760 6923624 3098652 37.94 62748 1950916 1175988 12.76 1111488 1778656 84296 23:22:01 4790952 6760488 3376460 41.34 65104 2059616 1194560 12.96 1358248 1800268 97740 23:23:01 5350408 7416312 2817004 34.49 68488 2150524 662916 7.19 724308 1873440 8000 Average: 5264393 7145983 2903019 35.54 63036 1976587 906959 9.84 928342 1764616 78019 23:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:01 ens3 38.79 31.14 532.90 4.16 0.00 0.00 0.00 0.00 23:20:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 23:21:01 ens3 205.68 184.71 2199.85 28.03 0.00 0.00 0.00 0.00 23:21:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 23:22:01 ens3 78.54 75.12 747.46 10.19 0.00 0.00 0.00 0.00 23:22:01 lo 122.06 122.06 36.47 36.47 0.00 0.00 0.00 0.00 23:23:01 ens3 60.37 57.31 503.47 20.01 0.00 0.00 0.00 0.00 23:23:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 95.85 87.07 995.97 15.60 0.00 0.00 0.00 0.00 Average: lo 31.15 31.15 9.18 9.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3063) 09/06/25 _x86_64_ (4 CPU) 23:18:00 LINUX RESTART (4 CPU) 23:19:01 CPU %user %nice %system %iowait %steal %idle 23:20:01 all 20.29 0.00 1.25 1.77 1.14 75.55 23:20:01 0 23.14 0.00 1.35 0.35 1.21 73.95 23:20:01 1 7.83 0.00 0.73 0.80 0.53 90.10 23:20:01 2 15.82 0.00 1.21 4.47 1.28 77.22 23:20:01 3 34.31 0.00 1.69 1.46 1.53 61.01 23:21:01 all 25.81 0.00 1.23 1.60 2.70 68.66 23:21:01 0 27.44 0.00 1.03 2.46 2.97 66.10 23:21:01 1 21.92 0.00 0.91 2.09 2.19 72.88 23:21:01 2 24.85 0.00 1.85 0.70 2.86 69.74 23:21:01 3 29.03 0.00 1.20 1.13 2.78 65.86 23:22:01 all 47.71 0.00 1.72 0.32 4.41 45.83 23:22:01 0 46.36 0.00 2.11 0.23 4.60 46.69 23:22:01 1 47.52 0.00 1.74 0.84 4.38 45.52 23:22:01 2 49.49 0.00 1.44 0.20 4.20 44.67 23:22:01 3 47.50 0.00 1.55 0.03 4.45 46.46 23:23:01 all 23.64 0.00 1.26 1.12 1.49 72.50 23:23:01 0 3.98 0.00 0.69 0.12 1.64 93.58 23:23:01 1 30.38 0.00 1.31 3.24 1.36 63.69 23:23:01 2 19.58 0.00 1.28 0.30 1.28 77.57 23:23:01 3 40.79 0.00 1.75 0.82 1.68 54.97 Average: all 29.39 0.00 1.37 1.20 2.44 65.61 Average: 0 25.24 0.00 1.30 0.79 2.61 70.07 Average: 1 26.95 0.00 1.18 1.74 2.12 68.01 Average: 2 27.45 0.00 1.44 1.41 2.41 67.28 Average: 3 37.92 0.00 1.55 0.86 2.61 57.05