---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-492 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 7.7G 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 464 5159 0 2351 7227 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:9b:70:d3 brd ff:ff:ff:ff:ff:ff inet 10.32.7.172/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86029sec preferred_lft 86029sec inet6 fe80::f816:3eff:fe9b:70d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-492) 12/13/25 _x86_64_ (4 CPU) 23:17:54 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:02 136.31 55.09 81.22 3643.53 39778.32 23:20:01 57.69 0.19 57.51 22.37 9824.60 23:21:01 62.49 30.29 32.19 1647.59 7905.48 23:22:01 18.68 10.05 8.63 773.87 3582.74 23:23:01 20.09 1.53 18.56 102.50 7055.78 23:24:01 20.13 0.75 19.38 27.59 1416.59 Average: 52.55 16.36 36.19 1038.98 11598.39 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:02 6044024 7433512 2123388 26.00 35972 1534088 692680 7.52 565388 1396104 70332 23:20:01 5764380 7389588 2403032 29.42 53844 1738360 728908 7.91 620840 1592388 110480 23:21:01 5363920 7226840 2803492 34.33 61472 1960672 874780 9.49 793480 1803472 81788 23:22:01 4546160 6454932 3621252 44.34 63372 2002064 1540720 16.72 1620800 1783912 196 23:23:01 5315972 7427780 2851440 34.91 68284 2195712 661740 7.18 711700 1918496 26420 23:24:01 5295072 7411864 2872340 35.17 70140 2198172 674848 7.32 732820 1917844 11856 Average: 5388255 7224086 2779157 34.03 58847 1938178 862279 9.36 840838 1735369 50179 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:02 ens3 405.35 212.25 1143.85 64.62 0.00 0.00 0.00 0.00 23:19:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 23:20:01 ens3 47.92 38.46 571.98 4.71 0.00 0.00 0.00 0.00 23:20:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:21:01 ens3 210.56 182.90 2567.71 28.00 0.00 0.00 0.00 0.00 23:21:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 23:22:01 ens3 35.41 34.28 248.57 6.04 0.00 0.00 0.00 0.00 23:22:01 lo 86.40 86.40 32.12 32.12 0.00 0.00 0.00 0.00 23:23:01 ens3 128.12 113.31 1254.65 20.03 0.00 0.00 0.00 0.00 23:23:01 lo 35.29 35.29 4.39 4.39 0.00 0.00 0.00 0.00 23:24:01 ens3 12.26 11.46 10.75 4.82 0.00 0.00 0.00 0.00 23:24:01 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 140.19 98.94 967.32 21.42 0.00 0.00 0.00 0.00 Average: lo 20.83 20.83 6.15 6.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-492) 12/13/25 _x86_64_ (4 CPU) 23:17:54 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:02 all 20.67 0.00 3.06 4.29 2.30 69.69 23:19:02 0 20.37 0.00 1.79 1.23 2.27 74.35 23:19:02 1 16.27 0.00 2.19 5.39 1.98 74.17 23:19:02 2 27.72 0.00 5.57 3.18 2.62 60.91 23:19:02 3 18.32 0.00 2.65 7.36 2.32 69.35 23:20:01 all 19.56 0.00 1.20 1.97 1.43 75.84 23:20:01 0 45.08 0.00 1.92 0.69 2.47 49.84 23:20:01 1 0.35 0.00 0.81 6.96 0.91 90.97 23:20:01 2 9.83 0.00 0.71 0.05 1.17 88.24 23:20:01 3 22.88 0.00 1.37 0.20 1.17 74.38 23:21:01 all 17.36 0.00 1.29 1.67 2.56 77.12 23:21:01 0 20.98 0.00 1.19 0.89 2.31 74.63 23:21:01 1 13.79 0.00 1.16 2.70 2.18 80.17 23:21:01 2 18.89 0.00 1.17 2.15 2.73 75.06 23:21:01 3 15.78 0.00 1.63 0.96 2.99 78.64 23:22:01 all 50.58 0.00 1.68 0.44 6.23 41.07 23:22:01 0 50.73 0.00 1.83 0.36 6.07 41.01 23:22:01 1 50.41 0.00 1.53 0.43 6.02 41.61 23:22:01 2 49.71 0.00 1.69 0.41 6.35 41.84 23:22:01 3 51.44 0.00 1.67 0.56 6.48 39.85 23:23:01 all 26.99 0.00 1.67 0.67 2.38 68.30 23:23:01 0 30.66 0.00 1.41 0.12 2.25 65.56 23:23:01 1 38.96 0.00 2.19 0.22 2.90 55.74 23:23:01 2 22.24 0.00 1.00 2.26 2.21 72.30 23:23:01 3 16.08 0.00 2.14 0.07 2.14 79.58 23:24:01 all 20.65 0.00 0.98 0.81 1.10 76.47 23:24:01 0 13.41 0.00 0.75 0.15 0.67 85.02 23:24:01 1 12.65 0.00 0.85 0.03 0.95 85.52 23:24:01 2 53.58 0.00 1.81 2.82 2.34 39.46 23:24:01 3 2.89 0.00 0.47 0.22 0.45 95.98 Average: all 26.02 0.00 1.65 1.64 2.67 68.02 Average: 0 30.21 0.00 1.48 0.57 2.68 65.06 Average: 1 22.17 0.00 1.46 2.60 2.50 71.27 Average: 2 30.42 0.00 2.00 1.82 2.91 62.86 Average: 3 21.28 0.00 1.66 1.56 2.60 72.90