---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1586 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 463 5419 0 2093 7234 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:e0:2f:62 brd ff:ff:ff:ff:ff:ff inet 10.32.7.42/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fee0:2f62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1586) 12/24/25 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:02 tps rtps wtps bread/s bwrtn/s 19:14:01 150.89 65.28 85.61 4295.00 41392.19 19:15:01 68.44 12.18 56.26 289.50 9821.79 19:16:01 61.15 6.40 54.75 400.00 7485.50 19:17:01 22.26 1.20 21.06 67.30 4353.16 Average: 75.36 21.08 54.29 1250.09 15654.41 19:13:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5990432 7411964 2176988 26.65 36980 1564492 710000 7.70 593260 1424140 85776 19:15:01 5768004 7427760 2399416 29.38 57316 1766568 816160 8.86 593812 1613712 124032 19:16:01 5540864 7390680 2626556 32.16 62740 1946740 713320 7.74 711640 1713088 104264 19:17:01 5497576 7354600 2669844 32.69 64552 1951336 743240 8.06 754092 1712308 10372 Average: 5699219 7396251 2468201 30.22 55397 1807284 745680 8.09 663201 1615812 81111 19:13:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 1.08 1.08 0.10 0.10 0.00 0.00 0.00 0.00 19:14:01 ens3 401.08 245.25 1456.98 67.16 0.00 0.00 0.00 0.00 19:15:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 19:15:01 ens3 96.98 53.88 467.26 15.81 0.00 0.00 0.00 0.00 19:16:01 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 19:16:01 ens3 285.79 272.68 1245.10 55.86 0.00 0.00 0.00 0.00 19:17:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 19:17:01 ens3 51.61 58.50 26.66 529.89 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 208.05 157.20 796.19 167.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1586) 12/24/25 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:02 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 20.74 0.00 2.61 4.82 2.61 69.21 19:14:01 0 22.29 0.00 4.80 4.78 2.75 65.38 19:14:01 1 24.43 0.00 2.30 4.65 2.28 66.33 19:14:01 2 8.65 0.00 1.30 7.83 2.00 80.22 19:14:01 3 27.57 0.00 2.03 2.05 3.39 64.97 19:15:01 all 20.20 0.00 1.37 1.86 1.86 74.71 19:15:01 0 26.28 0.00 1.83 0.71 2.12 69.06 19:15:01 1 21.34 0.00 1.41 0.99 1.64 74.62 19:15:01 2 19.42 0.00 1.37 5.25 2.20 71.76 19:15:01 3 13.78 0.00 0.86 0.50 1.49 83.37 19:16:01 all 33.77 0.00 1.68 0.94 4.96 58.65 19:16:01 0 35.10 0.00 1.70 1.88 5.16 56.16 19:16:01 1 34.18 0.00 1.06 0.23 4.44 60.09 19:16:01 2 26.89 0.00 2.22 0.66 5.04 65.20 19:16:01 3 38.90 0.00 1.77 0.96 5.20 53.17 19:17:01 all 20.64 0.00 0.87 0.81 1.45 76.23 19:17:01 0 16.46 0.00 0.85 1.86 1.20 79.63 19:17:01 1 51.61 0.00 1.23 1.05 2.41 43.71 19:17:01 2 3.81 0.00 0.51 0.10 1.19 94.39 19:17:01 3 10.79 0.00 0.90 0.25 0.98 87.08 Average: all 23.86 0.00 1.63 2.09 2.72 69.69 Average: 0 25.07 0.00 2.28 2.29 2.81 67.55 Average: 1 32.93 0.00 1.49 1.71 2.70 61.17 Average: 2 14.73 0.00 1.35 3.44 2.61 77.87 Average: 3 22.76 0.00 1.39 0.93 2.77 72.15