---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1301 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 470 5256 0 2249 7223 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:d8:bd:42 brd ff:ff:ff:ff:ff:ff inet 10.32.7.47/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fed8:bd42/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1301) 12/20/25 _x86_64_ (4 CPU) 19:37:54 LINUX RESTART (4 CPU) 19:38:01 tps rtps wtps bread/s bwrtn/s 19:39:02 136.76 54.67 82.09 3585.40 40490.73 19:40:01 86.85 30.21 56.64 1684.72 9589.02 19:41:01 74.04 9.31 64.73 643.65 10463.98 19:42:01 32.13 1.33 30.80 101.47 4261.33 Average: 82.43 23.86 58.57 1503.08 16228.91 19:38:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:39:02 5963936 7382696 2203484 26.98 36948 1561732 717240 7.78 617552 1422980 84488 19:40:01 5660200 7358608 2507220 30.70 57020 1805348 825676 8.96 659240 1652176 122216 19:41:01 5097208 7029956 3070212 37.59 64120 2025380 984424 10.68 1060000 1797756 34512 19:42:01 5433608 7445704 2733812 33.47 68224 2098808 632496 6.86 671332 1848280 25720 Average: 5538738 7304241 2628682 32.18 56578 1872817 789959 8.57 752031 1680298 66734 19:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:39:02 ens3 352.21 210.01 1397.43 63.41 0.00 0.00 0.00 0.00 19:39:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:40:01 ens3 88.26 52.66 467.60 15.27 0.00 0.00 0.00 0.00 19:40:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 19:41:01 ens3 491.39 457.61 2786.80 89.77 0.00 0.00 0.00 0.00 19:41:01 lo 1.48 1.48 0.19 0.19 0.00 0.00 0.00 0.00 19:42:01 ens3 104.17 121.48 583.43 23.43 0.00 0.00 0.00 0.00 19:42:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 259.73 211.11 1312.39 48.11 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 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-1301) 12/20/25 _x86_64_ (4 CPU) 19:37:54 LINUX RESTART (4 CPU) 19:38:01 CPU %user %nice %system %iowait %steal %idle 19:39:02 all 20.86 0.00 2.34 4.97 2.77 69.05 19:39:02 0 7.42 0.00 3.06 2.65 1.61 85.26 19:39:02 1 35.72 0.00 2.58 8.05 3.44 50.21 19:39:02 2 28.87 0.00 1.90 3.31 3.07 62.85 19:39:02 3 11.45 0.00 1.84 5.86 2.97 77.87 19:40:01 all 21.56 0.00 1.40 2.43 2.21 72.39 19:40:01 0 4.36 0.00 0.39 1.03 1.06 93.16 19:40:01 1 32.57 0.00 1.63 0.96 2.94 61.91 19:40:01 2 37.05 0.00 2.57 1.21 3.08 56.09 19:40:01 3 12.20 0.00 1.01 6.53 1.77 78.49 19:41:01 all 41.25 0.00 1.99 0.73 6.82 49.20 19:41:01 0 45.38 0.00 1.58 0.36 6.42 46.26 19:41:01 1 35.91 0.00 1.56 0.44 6.16 55.93 19:41:01 2 38.41 0.00 2.26 0.64 7.07 51.61 19:41:01 3 45.30 0.00 2.59 1.48 7.59 43.04 19:42:01 all 21.15 0.00 1.14 0.75 1.84 75.12 19:42:01 0 6.05 0.00 0.35 0.03 0.80 92.77 19:42:01 1 52.63 0.00 1.89 2.83 3.46 39.19 19:42:01 2 16.12 0.00 1.11 0.08 1.63 81.06 19:42:01 3 9.71 0.00 1.18 0.05 1.51 87.56 Average: all 26.26 0.00 1.72 2.22 3.43 66.37 Average: 0 15.91 0.00 1.35 1.02 2.49 79.24 Average: 1 39.22 0.00 1.91 3.07 4.01 51.78 Average: 2 30.12 0.00 1.96 1.31 3.73 62.89 Average: 3 19.79 0.00 1.66 3.46 3.48 71.60