---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1870 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 7.8G 12G 41% / 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 479 5117 0 2378 7213 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:95:24:ab brd ff:ff:ff:ff:ff:ff inet 10.32.6.189/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86021sec preferred_lft 86021sec inet6 fe80::f816:3eff:fe95:24ab/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-1870) 12/27/25 _x86_64_ (4 CPU) 22:37:41 LINUX RESTART (4 CPU) 22:38:01 tps rtps wtps bread/s bwrtn/s 22:39:02 95.54 25.80 69.74 844.76 4925.91 22:40:01 74.31 30.06 44.24 1662.33 8644.58 22:41:01 31.51 0.17 31.34 2.40 6104.72 22:42:01 9.15 0.00 9.15 0.00 415.73 22:43:01 54.22 2.77 51.46 190.23 12285.29 Average: 52.88 11.70 41.18 536.33 6467.80 22:38:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:39:02 5893780 7378752 2273640 27.84 40604 1621116 727404 7.89 634456 1467492 116036 22:40:01 5594260 7292488 2573160 31.51 57112 1804900 837836 9.09 722984 1652680 104676 22:41:01 5508668 7281448 2658752 32.55 59444 1875244 777016 8.43 735468 1721696 2316 22:42:01 5377180 7237684 2790240 34.16 61268 1958992 817608 8.87 780520 1803716 81828 22:43:01 5273800 7414676 2893620 35.43 66644 2227988 667068 7.24 643300 2032572 27100 Average: 5529538 7321010 2637882 32.30 57014 1897648 765386 8.30 703346 1735631 66391 22:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:39:02 ens3 125.48 87.99 886.25 30.79 0.00 0.00 0.00 0.00 22:39:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 22:40:01 ens3 73.14 50.97 440.02 14.86 0.00 0.00 0.00 0.00 22:40:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 22:41:01 ens3 100.15 110.86 1161.62 15.95 0.00 0.00 0.00 0.00 22:41:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 22:42:01 ens3 314.50 268.89 1417.73 29.76 0.00 0.00 0.00 0.00 22:42:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 22:43:01 ens3 349.48 360.97 2725.24 55.00 0.00 0.00 0.00 0.00 22:43:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 192.93 176.33 1328.99 29.32 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1870) 12/27/25 _x86_64_ (4 CPU) 22:37:41 LINUX RESTART (4 CPU) 22:38:01 CPU %user %nice %system %iowait %steal %idle 22:39:02 all 21.76 0.00 1.40 3.23 1.50 72.11 22:39:02 0 15.38 0.00 1.58 10.48 1.42 71.14 22:39:02 1 29.57 0.00 1.62 0.47 1.53 66.82 22:39:02 2 37.84 0.00 1.69 1.13 1.96 57.38 22:39:02 3 4.28 0.00 0.75 0.88 1.04 93.05 22:40:01 all 21.46 0.00 1.49 2.19 2.13 72.72 22:40:01 0 6.87 0.00 0.66 4.22 1.20 87.06 22:40:01 1 26.95 0.00 1.69 1.35 2.04 67.97 22:40:01 2 31.45 0.00 2.11 1.81 2.50 62.13 22:40:01 3 20.58 0.00 1.50 1.42 2.79 73.70 22:41:01 all 9.31 0.00 0.54 0.43 1.87 87.85 22:41:01 0 9.04 0.00 0.87 0.16 2.04 87.88 22:41:01 1 14.15 0.00 0.46 1.28 1.46 82.65 22:41:01 2 4.47 0.00 0.25 0.03 1.54 93.71 22:41:01 3 9.64 0.00 0.56 0.21 2.47 87.11 22:42:01 all 5.96 0.00 0.56 0.07 1.38 92.04 22:42:01 0 6.13 0.00 0.56 0.07 1.37 91.87 22:42:01 1 3.75 0.00 0.27 0.23 0.55 95.21 22:42:01 2 8.64 0.00 0.61 0.00 1.39 89.36 22:42:01 3 5.30 0.00 0.78 0.00 2.15 91.78 22:43:01 all 21.08 0.00 1.54 0.82 2.57 73.98 22:43:01 0 41.24 0.00 1.59 0.22 2.81 54.15 22:43:01 1 9.18 0.00 0.99 2.43 1.67 85.72 22:43:01 2 23.13 0.00 1.82 0.28 2.83 71.94 22:43:01 3 10.79 0.00 1.76 0.38 3.01 84.06 Average: all 15.89 0.00 1.11 1.34 1.89 79.77 Average: 0 15.76 0.00 1.05 3.01 1.77 78.40 Average: 1 16.68 0.00 1.00 1.15 1.45 79.72 Average: 2 21.05 0.00 1.29 0.64 2.04 74.97 Average: 3 10.10 0.00 1.07 0.58 2.29 85.96