---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1785 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 7.6G 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 468 5252 0 2254 7224 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:15:44:e6 brd ff:ff:ff:ff:ff:ff inet 10.32.6.93/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe15:44e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1785) 12/27/25 _x86_64_ (4 CPU) 08:12:56 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 148.16 66.02 82.14 4280.22 40602.32 08:15:01 85.28 30.19 55.08 1684.85 9680.79 08:16:01 83.45 10.68 72.77 672.15 10777.27 08:17:01 27.90 1.28 26.61 99.85 4071.99 Average: 86.20 27.03 59.17 1684.27 16310.43 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 5985528 7408056 2181892 26.71 36972 1565332 716016 7.77 591808 1426276 86376 08:15:01 5675292 7376772 2492128 30.51 57068 1808296 839172 9.11 640108 1655048 104816 08:16:01 4907192 6902568 3260228 39.92 65644 2084404 1116812 12.12 1189256 1851584 65912 08:17:01 5374160 7391676 2793260 34.20 68748 2103068 688872 7.47 725376 1851524 11484 Average: 5485543 7269768 2681877 32.84 57108 1890275 840218 9.12 786637 1696108 67147 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 08:14:02 ens3 417.11 245.86 1449.12 68.08 0.00 0.00 0.00 0.00 08:15:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 08:15:01 ens3 75.36 47.51 470.77 12.85 0.00 0.00 0.00 0.00 08:16:01 lo 1.55 1.55 0.20 0.20 0.00 0.00 0.00 0.00 08:16:01 ens3 504.73 521.98 3188.86 91.40 0.00 0.00 0.00 0.00 08:17:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 08:17:01 ens3 48.48 38.58 173.12 19.64 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 262.19 214.17 1323.99 48.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1785) 12/27/25 _x86_64_ (4 CPU) 08:12:56 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 23.75 0.00 3.09 4.26 1.23 67.66 08:14:02 0 13.48 0.00 3.94 2.92 0.88 78.77 08:14:02 1 35.18 0.00 4.35 9.79 1.73 48.95 08:14:02 2 26.32 0.00 1.95 1.28 1.32 69.13 08:14:02 3 19.98 0.00 2.13 3.03 1.02 73.84 08:15:01 all 23.32 0.00 1.47 2.06 1.09 72.07 08:15:01 0 25.77 0.00 1.57 0.74 1.30 70.62 08:15:01 1 4.65 0.00 0.89 4.92 0.64 88.91 08:15:01 2 54.41 0.00 2.90 2.12 1.95 38.62 08:15:01 3 8.62 0.00 0.51 0.47 0.44 89.96 08:16:01 all 47.95 0.00 2.17 1.12 2.94 45.81 08:16:01 0 51.97 0.00 2.93 1.00 2.85 41.25 08:16:01 1 45.58 0.00 1.69 2.34 2.84 47.55 08:16:01 2 41.22 0.00 2.21 0.55 3.19 52.83 08:16:01 3 53.05 0.00 1.83 0.60 2.92 41.60 08:17:01 all 21.83 0.00 0.95 0.64 0.80 75.79 08:17:01 0 1.82 0.00 0.42 1.80 0.25 95.72 08:17:01 1 43.34 0.00 1.18 0.12 1.33 54.03 08:17:01 2 2.82 0.00 0.58 0.52 0.35 95.73 08:17:01 3 39.30 0.00 1.60 0.10 1.25 57.75 Average: all 29.24 0.00 1.92 2.02 1.52 65.30 Average: 0 23.26 0.00 2.22 1.62 1.32 71.59 Average: 1 32.27 0.00 2.03 4.29 1.64 59.77 Average: 2 31.11 0.00 1.91 1.11 1.70 64.17 Average: 3 30.33 0.00 1.52 1.05 1.41 65.69