---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1889 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 462 5362 0 2150 7234 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:ad:88:d4 brd ff:ff:ff:ff:ff:ff inet 10.32.7.248/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86122sec preferred_lft 86122sec inet6 fe80::f816:3eff:fead:88d4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1889) 12/28/25 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 99.63 32.41 67.22 1068.49 5556.29 07:07:01 82.97 30.00 52.97 1686.52 8799.47 07:08:01 59.21 9.22 49.99 512.58 9987.80 07:09:01 21.43 0.35 21.08 33.72 1477.64 Average: 65.81 17.99 47.82 825.29 6455.09 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5904760 7380684 2262660 27.70 40148 1613120 739960 8.03 632792 1460356 107576 07:07:01 5618604 7326756 2548816 31.21 58472 1813012 779588 8.46 695200 1656180 96576 07:08:01 5524752 7436196 2642668 32.36 63552 2007060 647476 7.03 699712 1737832 27260 07:09:01 5520632 7435644 2646788 32.41 65560 2008252 663300 7.20 704840 1736056 10860 Average: 5642187 7394820 2525233 30.92 56933 1860361 707581 7.68 683136 1647606 60568 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:01 ens3 348.41 210.48 1438.96 63.50 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 93.93 80.45 477.97 23.04 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.12 0.12 0.00 0.00 0.00 0.00 07:08:01 ens3 269.99 290.48 1230.76 649.01 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:09:01 ens3 11.90 12.66 9.31 6.05 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 181.05 148.51 789.22 185.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1889) 12/28/25 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.79 0.00 1.62 3.32 2.81 69.46 07:06:01 0 18.92 0.00 2.07 3.92 3.11 71.97 07:06:01 1 39.12 0.00 1.87 3.57 3.40 52.04 07:06:01 2 23.48 0.00 1.46 0.63 2.88 71.56 07:06:01 3 9.61 0.00 1.09 5.15 1.86 82.29 07:07:01 all 25.78 0.00 1.60 2.19 2.53 67.90 07:07:01 0 34.95 0.00 2.20 1.47 2.71 58.66 07:07:01 1 25.39 0.00 1.67 4.60 2.40 65.94 07:07:01 2 26.51 0.00 1.51 2.04 2.91 67.03 07:07:01 3 16.30 0.00 1.02 0.66 2.08 79.94 07:08:01 all 32.99 0.00 1.76 0.98 3.99 60.28 07:08:01 0 46.62 0.00 2.24 1.64 4.34 45.16 07:08:01 1 35.27 0.00 1.41 0.27 3.58 59.47 07:08:01 2 27.97 0.00 1.91 1.93 4.70 63.48 07:08:01 3 22.10 0.00 1.47 0.07 3.35 73.01 07:09:01 all 20.85 0.00 0.91 0.85 1.31 76.08 07:09:01 0 31.44 0.00 0.85 0.51 1.44 65.75 07:09:01 1 26.45 0.00 0.91 0.30 1.61 70.73 07:09:01 2 5.89 0.00 0.75 2.47 1.00 89.89 07:09:01 3 19.58 0.00 1.15 0.12 1.18 77.98 Average: all 25.60 0.00 1.47 1.83 2.66 68.43 Average: 0 32.97 0.00 1.84 1.89 2.90 60.40 Average: 1 31.56 0.00 1.47 2.19 2.75 62.04 Average: 2 20.98 0.00 1.41 1.77 2.88 72.97 Average: 3 16.90 0.00 1.18 1.50 2.12 78.30