---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6645 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 8.5G 11G 45% / 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 465 4340 0 3170 7214 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:6a:4b:f9 brd ff:ff:ff:ff:ff:ff inet 10.32.7.220/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86094sec preferred_lft 86094sec inet6 fe80::f816:3eff:fe6a:4bf9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6645) 07/25/26 _x86_64_ (4 CPU) 08:12:56 LINUX RESTART (4 CPU) 08:13:02 tps rtps wtps bread/s bwrtn/s 08:14:01 155.45 68.34 87.10 4357.50 41478.55 08:15:01 71.07 13.05 58.02 530.98 10416.66 08:16:01 98.75 21.06 77.69 1631.99 38567.17 08:17:01 42.51 6.18 36.33 237.03 4954.77 Average: 91.68 26.99 64.69 1678.21 23780.56 08:13:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 5973532 7403316 2193880 26.86 37108 1572984 722204 7.84 596528 1434900 87700 08:15:01 5740620 7479260 2426792 29.71 58244 1842428 605312 6.57 529244 1697060 155232 08:16:01 4273252 7073260 3894160 47.68 63904 2880492 1052748 11.42 968068 2689404 7300 08:17:01 4481164 7419636 3686248 45.13 68404 3010976 654012 7.10 682036 2761916 26080 Average: 5117142 7343868 3050270 37.35 56915 2326720 758569 8.23 693969 2145820 69078 08:13:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 430.77 230.40 1494.03 66.49 0.00 0.00 0.00 0.00 08:14:01 lo 1.36 1.36 0.12 0.12 0.00 0.00 0.00 0.00 08:15:01 ens3 77.27 60.69 521.55 12.24 0.00 0.00 0.00 0.00 08:15:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 08:16:01 ens3 756.41 552.09 16526.21 69.09 0.00 0.00 0.00 0.00 08:16:01 lo 0.33 0.33 0.02 0.02 0.00 0.00 0.00 0.00 08:17:01 ens3 204.52 218.05 944.04 39.47 0.00 0.00 0.00 0.00 08:17:01 lo 1.43 1.43 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 366.98 265.45 4885.59 46.74 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 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-6645) 07/25/26 _x86_64_ (4 CPU) 08:12:56 LINUX RESTART (4 CPU) 08:13:02 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 22.64 0.00 2.61 4.80 1.45 68.50 08:14:01 0 28.37 0.00 4.62 1.51 1.48 64.03 08:14:01 1 28.70 0.00 2.68 5.63 1.64 61.34 08:14:01 2 8.59 0.00 1.88 9.89 1.05 78.59 08:14:01 3 24.91 0.00 1.27 2.20 1.62 70.01 08:15:01 all 21.11 0.00 1.34 1.53 1.08 74.94 08:15:01 0 15.94 0.00 0.73 0.07 1.06 82.21 08:15:01 1 45.47 0.00 2.23 0.67 1.45 50.18 08:15:01 2 2.69 0.00 0.78 4.91 1.03 90.60 08:15:01 3 20.50 0.00 1.62 0.45 0.82 76.62 08:16:01 all 28.29 0.00 2.09 1.78 2.19 65.65 08:16:01 0 29.18 0.00 2.01 4.57 2.27 61.97 08:16:01 1 25.85 0.00 0.71 0.13 1.73 71.58 08:16:01 2 37.18 0.00 4.23 1.50 2.64 54.45 08:16:01 3 21.00 0.00 1.44 0.93 2.11 74.52 08:17:01 all 35.39 0.00 1.68 0.85 2.66 59.43 08:17:01 0 42.73 0.00 1.58 1.31 2.61 51.78 08:17:01 1 20.82 0.00 1.69 0.58 2.41 74.50 08:17:01 2 41.14 0.00 2.17 1.41 2.72 52.56 08:17:01 3 36.85 0.00 1.27 0.10 2.90 58.87 Average: all 26.88 0.00 1.92 2.23 1.85 67.12 Average: 0 29.05 0.00 2.22 1.86 1.86 65.01 Average: 1 30.20 0.00 1.83 1.73 1.81 64.43 Average: 2 22.45 0.00 2.26 4.41 1.86 69.02 Average: 3 25.84 0.00 1.40 0.91 1.87 69.99