---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1708 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.5G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 435 1416 0 2091 3245 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:44:c0:70 brd ff:ff:ff:ff:ff:ff inet 10.32.6.238/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fe44:c070/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1708) 07/30/25 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 158.03 80.36 77.67 4849.18 39661.86 19:15:01 58.09 0.22 57.87 26.66 9413.23 19:16:01 74.43 18.41 56.01 667.64 8250.85 19:17:01 23.50 0.82 22.68 54.39 4389.00 Average: 78.51 24.95 53.56 1399.58 15429.45 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 1999768 3394708 2038876 50.48 34972 1524572 600512 11.80 497880 1385984 65172 19:15:01 1720428 3351408 2318216 57.40 53780 1728840 632892 12.44 554532 1582016 104068 19:16:01 1484568 3344092 2554076 63.24 62376 1940396 594696 11.69 648204 1708208 99060 19:17:01 1399972 3276352 2638672 65.34 64372 1954972 662552 13.02 724088 1715640 14260 Average: 1651184 3341640 2387460 59.12 53875 1787195 622663 12.24 606176 1597962 70640 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 391.52 221.28 1134.18 67.31 0.00 0.00 0.00 0.00 19:14:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 19:15:01 ens3 48.21 40.49 640.87 5.18 0.00 0.00 0.00 0.00 19:15:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 19:16:01 ens3 267.64 271.46 1394.72 53.88 0.00 0.00 0.00 0.00 19:16:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 19:17:01 ens3 50.44 57.01 26.88 524.63 0.00 0.00 0.00 0.00 19:17:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 189.47 147.57 799.20 162.74 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 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-1708) 07/30/25 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 19.79 0.00 2.76 4.81 1.11 71.52 19:14:01 0 9.62 0.00 1.42 0.75 0.78 87.43 19:14:01 1 32.00 0.00 2.13 2.88 1.23 61.75 19:14:01 2 20.80 0.00 2.60 10.18 1.40 65.01 19:14:01 3 16.74 0.00 4.90 5.42 1.04 71.90 19:15:01 all 20.70 0.00 1.28 1.59 0.91 75.50 19:15:01 0 23.44 0.00 1.11 0.18 0.83 74.43 19:15:01 1 22.20 0.00 1.68 0.17 1.03 74.92 19:15:01 2 16.52 0.00 1.15 5.94 0.65 75.73 19:15:01 3 20.63 0.00 1.20 0.10 1.13 76.95 19:16:01 all 42.50 0.00 2.51 1.12 2.99 50.88 19:16:01 0 36.56 0.00 2.89 0.67 3.09 56.79 19:16:01 1 49.64 0.00 2.07 1.16 2.95 44.18 19:16:01 2 45.06 0.00 3.03 1.21 3.06 47.64 19:16:01 3 38.71 0.00 2.04 1.44 2.89 54.91 19:17:01 all 21.00 0.00 0.91 0.94 0.92 76.23 19:17:01 0 1.45 0.00 0.33 0.00 0.57 97.66 19:17:01 1 0.50 0.00 0.35 2.07 0.25 96.84 19:17:01 2 54.07 0.00 1.99 0.78 1.89 41.26 19:17:01 3 27.95 0.00 0.97 0.90 0.97 69.22 Average: all 26.01 0.00 1.87 2.11 1.49 68.53 Average: 0 17.77 0.00 1.44 0.40 1.32 79.07 Average: 1 26.11 0.00 1.56 1.57 1.37 69.40 Average: 2 34.14 0.00 2.20 4.52 1.75 57.39 Average: 3 26.02 0.00 2.27 1.96 1.51 68.24