---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-350 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.6G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 594 12998 0 2446 15114 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:c6:7a:4a brd ff:ff:ff:ff:ff:ff inet 10.30.107.56/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86184sec preferred_lft 86184sec inet6 fe80::f816:3eff:fec6:7a4a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-350) 12/20/25 _x86_64_ (4 CPU) 11:39:54 LINUX RESTART (4 CPU) 11:40:12 tps rtps wtps bread/s bwrtn/s 11:41:01 496.74 149.01 347.72 8057.95 53197.14 11:42:01 163.08 25.19 137.89 1304.90 15696.37 11:43:01 99.00 2.72 96.28 139.18 11572.74 Average: 237.07 53.11 183.96 2848.98 25105.11 11:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:41:01 13993312 15459004 2431648 14.80 50188 1624160 921940 5.28 763624 1469576 128356 11:42:01 13219848 15144696 3205112 19.51 92732 2011152 1324668 7.58 1146352 1797068 153960 11:43:01 13318100 15477624 3106860 18.92 127452 2178664 825716 4.73 868580 1937008 113120 Average: 13510420 15360441 2914540 17.74 90124 1937992 1024108 5.86 926185 1734551 131812 11:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:41:01 ens3 502.14 332.46 2015.67 91.02 0.00 0.00 0.00 0.00 11:41:01 lo 3.43 3.43 0.35 0.35 0.00 0.00 0.00 0.00 11:42:01 ens3 183.21 134.19 1417.71 30.80 0.00 0.00 0.00 0.00 11:42:01 lo 1.87 1.87 0.22 0.22 0.00 0.00 0.00 0.00 11:43:01 ens3 34.73 23.05 17.00 11.02 0.00 0.00 0.00 0.00 11:43:01 lo 1.10 1.10 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 222.96 152.22 1093.82 41.24 0.00 0.00 0.00 0.00 Average: lo 2.05 2.05 0.21 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-350) 12/20/25 _x86_64_ (4 CPU) 11:39:54 LINUX RESTART (4 CPU) 11:40:12 CPU %user %nice %system %iowait %steal %idle 11:41:01 all 20.90 0.00 3.11 7.63 0.06 68.30 11:41:01 0 21.44 0.00 2.17 1.00 0.04 75.35 11:41:01 1 25.35 0.00 5.25 8.18 0.06 61.16 11:41:01 2 17.65 0.00 2.21 14.52 0.06 65.56 11:41:01 3 19.20 0.00 2.81 6.82 0.06 71.11 11:42:01 all 27.56 0.00 1.84 2.58 0.05 67.96 11:42:01 0 15.08 0.00 1.09 1.42 0.03 82.38 11:42:01 1 29.98 0.00 1.22 2.25 0.05 66.49 11:42:01 2 37.87 0.00 2.75 1.95 0.07 57.37 11:42:01 3 27.28 0.00 2.31 4.70 0.08 65.62 11:43:01 all 21.37 0.00 1.19 3.55 0.06 73.82 11:43:01 0 23.26 0.00 1.30 8.29 0.05 67.09 11:43:01 1 19.64 0.00 0.67 1.90 0.08 77.71 11:43:01 2 33.02 0.00 1.25 1.07 0.07 64.60 11:43:01 3 9.52 0.00 1.54 2.95 0.05 85.94 Average: all 23.43 0.00 1.98 4.39 0.06 70.14 Average: 0 19.83 0.00 1.48 3.74 0.04 74.91 Average: 1 24.97 0.00 2.19 3.84 0.07 68.94 Average: 2 30.29 0.00 2.06 5.27 0.07 62.31 Average: 3 18.64 0.00 2.18 4.69 0.07 74.42