---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-407 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 473 5250 0 2251 7220 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:6b:4a:cc brd ff:ff:ff:ff:ff:ff inet 10.32.6.14/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86093sec preferred_lft 86093sec inet6 fe80::f816:3eff:fe6b:4acc/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-407) 12/13/25 _x86_64_ (4 CPU) 08:12:55 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 149.66 66.68 82.98 4277.33 39989.09 08:15:01 57.18 0.18 57.00 21.99 9905.10 08:16:01 94.47 36.13 58.34 2207.90 10113.51 08:17:01 39.74 4.02 35.73 169.71 4839.06 Average: 85.27 26.75 58.51 1669.38 16213.41 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 6004320 7396932 2163100 26.48 36400 1537216 712664 7.73 608584 1398776 72888 08:15:01 5818996 7460204 2348424 28.75 55976 1750164 620908 6.74 547864 1611616 111920 08:16:01 4905732 6790052 3261688 39.94 62980 1979840 1435548 15.58 1253392 1803076 6564 08:17:01 5405392 7418124 2762028 33.82 67464 2100788 658232 7.14 701280 1852048 23352 Average: 5533610 7266328 2633810 32.25 55705 1842002 856838 9.30 777780 1666379 53681 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 409.30 216.71 1225.02 64.78 0.00 0.00 0.00 0.00 08:14:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 08:15:01 ens3 37.57 30.84 527.79 4.06 0.00 0.00 0.00 0.00 08:15:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 08:16:01 ens3 357.59 363.72 2651.14 63.87 0.00 0.00 0.00 0.00 08:16:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 08:17:01 ens3 184.99 206.80 859.96 47.20 0.00 0.00 0.00 0.00 08:17:01 lo 1.33 1.33 0.18 0.18 0.00 0.00 0.00 0.00 Average: ens3 247.37 204.51 1315.93 44.98 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 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-407) 12/13/25 _x86_64_ (4 CPU) 08:12:55 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 21.02 0.00 2.52 5.98 2.80 67.68 08:14:01 0 9.00 0.00 1.04 3.95 2.26 83.75 08:14:01 1 22.46 0.00 4.78 8.54 3.01 61.22 08:14:01 2 25.30 0.00 1.70 4.80 2.75 65.45 08:14:01 3 27.34 0.00 2.57 6.61 3.17 60.31 08:15:01 all 18.24 0.00 1.19 1.96 1.49 77.12 08:15:01 0 8.52 0.00 0.91 6.96 1.04 82.56 08:15:01 1 5.58 0.00 0.38 0.02 0.66 93.36 08:15:01 2 30.37 0.00 2.03 0.25 2.33 65.03 08:15:01 3 28.50 0.00 1.48 0.63 1.89 67.51 08:16:01 all 32.76 0.00 1.71 1.90 5.27 58.36 08:16:01 0 31.26 0.00 1.56 1.86 4.77 60.54 08:16:01 1 38.15 0.00 1.09 0.28 4.36 56.12 08:16:01 2 29.93 0.00 2.02 0.88 5.45 61.71 08:16:01 3 31.72 0.00 2.14 4.59 6.52 55.04 08:17:01 all 29.76 0.00 1.69 1.10 3.48 63.96 08:17:01 0 25.05 0.00 1.88 1.91 3.37 67.79 08:17:01 1 26.77 0.00 0.76 0.53 2.72 69.22 08:17:01 2 13.68 0.00 1.64 1.36 3.58 79.73 08:17:01 3 53.71 0.00 2.48 0.58 4.26 38.97 Average: all 25.46 0.00 1.78 2.73 3.26 66.77 Average: 0 18.47 0.00 1.35 3.67 2.86 73.65 Average: 1 23.24 0.00 1.75 2.34 2.69 69.98 Average: 2 24.81 0.00 1.85 1.82 3.53 67.99 Average: 3 35.31 0.00 2.17 3.11 3.97 55.45