---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1829 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 460 5133 0 2382 7232 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:91:d1:8c brd ff:ff:ff:ff:ff:ff inet 10.32.7.48/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86027sec preferred_lft 86027sec inet6 fe80::f816:3eff:fe91:d18c/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-1829) 12/27/25 _x86_64_ (4 CPU) 15:07:55 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 151.57 67.11 84.47 4297.68 40568.46 15:10:01 85.60 29.70 55.91 1656.92 9780.50 15:11:01 31.18 0.18 30.99 2.67 6094.05 15:12:01 9.78 0.00 9.78 0.00 382.34 15:13:01 52.74 2.13 50.61 115.05 9150.47 15:14:01 21.53 0.70 20.83 77.85 4563.24 Average: 58.73 16.64 42.10 1025.03 11756.51 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 5982340 7404096 2185080 26.75 36884 1564712 705904 7.66 596608 1425608 85968 15:10:01 5666012 7366656 2501408 30.63 57072 1807480 827412 8.98 651804 1654640 104396 15:11:01 5512244 7287264 2655176 32.51 59328 1877760 777180 8.43 732616 1723608 1716 15:12:01 5493992 7276476 2673428 32.73 61256 1882364 793196 8.61 745088 1727312 1460 15:13:01 5186152 7343480 2981268 36.50 66472 2244300 743256 8.06 719296 2045492 126236 15:14:01 5201568 7349924 2965852 36.31 68436 2232960 735896 7.98 713932 2035036 12132 Average: 5507051 7337983 2660369 32.57 58241 1934929 763807 8.29 693224 1768616 55318 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 ens3 466.82 260.66 1457.94 67.58 0.00 0.00 0.00 0.00 15:09:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 15:10:01 ens3 74.94 39.69 453.80 13.06 0.00 0.00 0.00 0.00 15:10:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 15:11:01 ens3 100.50 111.25 1161.57 15.98 0.00 0.00 0.00 0.00 15:11:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:12:01 ens3 59.87 85.67 66.27 13.93 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:13:01 ens3 657.54 557.37 4097.30 78.29 0.00 0.00 0.00 0.00 15:13:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 15:14:01 ens3 11.73 12.41 9.27 6.05 0.00 0.00 0.00 0.00 15:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 228.57 177.84 1207.69 32.48 0.00 0.00 0.00 0.00 Average: lo 0.74 0.74 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1829) 12/27/25 _x86_64_ (4 CPU) 15:07:55 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 21.12 0.00 2.76 5.27 2.31 68.54 15:09:01 0 15.22 0.00 4.43 10.79 2.04 67.53 15:09:01 1 10.21 0.00 1.63 4.91 1.61 81.64 15:09:01 2 17.83 0.00 2.23 3.92 2.74 73.27 15:09:01 3 41.20 0.00 2.78 1.47 2.83 51.71 15:10:01 all 21.16 0.00 1.41 2.84 2.24 72.35 15:10:01 0 12.61 0.00 0.98 5.58 1.54 79.29 15:10:01 1 34.36 0.00 1.94 1.43 2.93 59.34 15:10:01 2 19.47 0.00 1.40 3.87 2.43 72.83 15:10:01 3 18.12 0.00 1.27 0.51 2.05 78.05 15:11:01 all 10.76 0.00 0.63 0.38 2.11 86.12 15:11:01 0 8.27 0.00 0.73 0.30 2.06 88.65 15:11:01 1 12.79 0.00 0.63 0.22 1.76 84.61 15:11:01 2 10.49 0.00 0.56 0.96 1.83 86.15 15:11:01 3 11.53 0.00 0.61 0.03 2.77 85.06 15:12:01 all 3.90 0.00 0.37 0.04 1.20 94.49 15:12:01 0 2.66 0.00 0.10 0.00 0.81 96.43 15:12:01 1 6.16 0.00 0.91 0.17 1.49 91.28 15:12:01 2 2.21 0.00 0.30 0.02 0.70 96.78 15:12:01 3 4.58 0.00 0.18 0.00 1.81 93.44 15:13:01 all 20.66 0.00 1.60 1.02 2.56 74.15 15:13:01 0 15.92 0.00 1.00 0.88 1.86 80.35 15:13:01 1 13.70 0.00 1.73 1.88 2.58 80.11 15:13:01 2 23.17 0.00 1.27 0.41 2.56 72.58 15:13:01 3 29.85 0.00 2.41 0.89 3.26 63.58 15:14:01 all 21.02 0.00 0.91 0.83 1.27 75.97 15:14:01 0 8.21 0.00 0.63 0.02 0.76 90.38 15:14:01 1 40.72 0.00 1.56 2.41 1.60 53.71 15:14:01 2 17.01 0.00 0.81 0.08 1.52 80.58 15:14:01 3 18.21 0.00 0.61 0.83 1.19 79.16 Average: all 16.44 0.00 1.28 1.73 1.95 78.60 Average: 0 10.48 0.00 1.31 2.93 1.51 83.77 Average: 1 19.65 0.00 1.40 1.83 1.99 75.12 Average: 2 15.04 0.00 1.10 1.54 1.97 80.35 Average: 3 20.58 0.00 1.31 0.62 2.32 75.17