---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18719 5.15.0-179-generic #189-Ubuntu SMP Tue May 5 18:20:56 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 853 12840 3 18398 30770 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:c7:af:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.132/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83561sec preferred_lft 83561sec inet6 fe80::f816:3eff:fec7:afc4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:4f:c0:7d:e7:7e brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::b04f:c0ff:fe7d:e77e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-18719) 06/21/26 _x86_64_ (8 CPU) 15:13:15 LINUX RESTART (8 CPU) 15:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:31 275.42 0.47 265.74 9.21 22.93 46711.21 66846.17 15:40:31 19.42 0.13 17.65 1.64 5.29 1663.69 4907.77 15:50:36 41.36 0.40 14.12 26.83 11.83 2611.34 454559.39 Average: 113.54 0.33 100.65 12.56 13.44 17260.62 175040.18 15:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:31 2821268 22563824 9588428 29.18 598848 18247436 15855192 46.76 4924624 21416232 208 15:40:31 355532 20289944 11778156 35.84 601368 18500824 18012196 53.12 5149696 23608128 42260 15:50:36 277256 19886396 12146876 36.96 585700 18225512 18416932 54.31 5142044 23695948 10060 Average: 1151352 20913388 11171153 33.99 595305 18324591 17428107 51.39 5072121 22906769 17509 15:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:31 lo 0.69 0.69 0.05 0.05 0.00 0.00 0.00 0.00 15:30:31 ens3 330.50 207.30 2395.40 71.41 0.00 0.00 0.00 0.00 15:30:31 docker0 15.80 29.86 0.95 706.33 0.00 0.00 0.00 0.00 15:30:31 br-2a03d253bc72 0.27 0.24 0.01 0.02 0.00 0.00 0.00 0.00 15:30:31 veth4f237e2 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:30:31 veth7c67ff3 0.11 0.18 0.01 0.01 0.00 0.00 0.00 0.00 15:30:31 veth9b8855b 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:30:31 vethf5e2ca4 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 15:30:31 veth973e6cd 6.40 6.15 4.35 1.25 0.00 0.00 0.00 0.00 15:30:31 vethf8ea0a6 0.92 0.95 0.11 0.90 0.00 0.00 0.00 0.00 15:30:31 vethb50c675 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 15:30:31 vethaaf5c94 0.46 0.44 0.06 0.59 0.00 0.00 0.00 0.00 15:40:31 lo 10.45 10.45 25.36 25.36 0.00 0.00 0.00 0.00 15:40:31 ens3 8.10 7.00 21.17 1.40 0.00 0.00 0.00 0.00 15:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:31 br-2a03d253bc72 10.99 12.60 4.62 41.75 0.00 0.00 0.00 0.00 15:40:31 veth4f237e2 10.14 10.37 123.13 33.54 0.00 0.00 0.00 0.01 15:40:31 veth7c67ff3 5.76 5.43 33.27 9.79 0.00 0.00 0.00 0.00 15:40:31 veth9b8855b 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 15:40:31 vethf5e2ca4 16.63 18.23 3.85 164.06 0.00 0.00 0.00 0.01 15:40:31 veth973e6cd 102.03 109.18 53.69 50.58 0.00 0.00 0.00 0.00 15:40:31 vethf8ea0a6 86.15 80.63 64.34 38.94 0.00 0.00 0.00 0.01 15:40:31 vethaaf5c94 28.42 26.22 10.85 17.06 0.00 0.00 0.00 0.00 15:50:36 lo 37.05 37.05 171.24 171.24 0.00 0.00 0.00 0.00 15:50:36 ens3 5.30 4.45 11.00 1.67 0.00 0.00 0.00 0.00 15:50:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:36 br-2a03d253bc72 23.48 27.25 33.85 148.40 0.00 0.00 0.00 0.00 15:50:36 veth4f237e2 17.37 16.13 131.19 30.77 0.00 0.00 0.00 0.01 15:50:36 veth7c67ff3 11.90 13.36 31.04 57.60 0.00 0.00 0.00 0.00 15:50:36 veth9b8855b 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:36 vethf5e2ca4 32.62 36.42 35.11 277.33 0.00 0.00 0.00 0.02 15:50:36 veth973e6cd 77.93 85.52 61.07 32.39 0.00 0.00 0.00 0.01 15:50:36 vethf8ea0a6 41.85 38.68 66.12 19.92 0.00 0.00 0.00 0.01 15:50:36 vethaaf5c94 50.89 46.23 23.47 44.21 0.00 0.00 0.00 0.00 Average: lo 15.96 15.96 65.15 65.15 0.00 0.00 0.00 0.00 Average: ens3 116.55 74.11 823.27 25.24 0.00 0.00 0.00 0.00 Average: docker0 5.36 10.13 0.32 239.63 0.00 0.00 0.00 0.00 Average: br-2a03d253bc72 11.50 13.27 12.75 62.96 0.00 0.00 0.00 0.00 Average: veth4f237e2 9.11 8.81 84.03 21.24 0.00 0.00 0.00 0.01 Average: veth7c67ff3 5.88 6.28 21.25 22.33 0.00 0.00 0.00 0.00 Average: veth9b8855b 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethf5e2ca4 16.30 18.11 12.91 145.97 0.00 0.00 0.00 0.01 Average: veth973e6cd 61.60 66.38 39.39 27.81 0.00 0.00 0.00 0.00 Average: vethf8ea0a6 42.54 39.69 43.14 19.72 0.00 0.00 0.00 0.00 Average: vethaaf5c94 26.39 24.11 11.38 20.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-18719) 06/21/26 _x86_64_ (8 CPU) 15:13:15 LINUX RESTART (8 CPU) 15:20:12 CPU %user %nice %system %iowait %steal %idle 15:30:31 all 19.95 0.02 3.12 4.28 0.07 72.55 15:30:31 0 18.03 0.01 3.19 3.24 0.07 75.46 15:30:31 1 19.40 0.02 3.23 4.41 0.07 72.88 15:30:31 2 22.94 0.03 3.35 4.72 0.07 68.89 15:30:31 3 20.51 0.04 3.15 3.48 0.07 72.75 15:30:31 4 20.54 0.02 3.03 3.39 0.07 72.94 15:30:31 5 23.59 0.01 3.11 2.98 0.07 70.25 15:30:31 6 18.46 0.02 3.01 6.28 0.07 72.15 15:30:31 7 16.15 0.02 2.90 5.78 0.07 75.10 15:40:31 all 9.09 0.00 1.29 0.09 0.07 89.46 15:40:31 0 7.90 0.00 1.41 0.20 0.07 90.42 15:40:31 1 9.09 0.00 1.39 0.05 0.08 89.39 15:40:31 2 9.86 0.00 1.29 0.06 0.08 88.71 15:40:31 3 10.26 0.00 1.24 0.03 0.07 88.39 15:40:31 4 9.27 0.01 1.17 0.20 0.07 89.28 15:40:31 5 8.75 0.00 1.24 0.03 0.08 89.91 15:40:31 6 8.62 0.01 1.28 0.05 0.08 89.97 15:40:31 7 8.95 0.01 1.28 0.10 0.07 89.59 15:50:36 all 8.89 0.00 1.95 0.17 0.09 88.89 15:50:36 0 9.79 0.00 2.13 0.08 0.10 87.90 15:50:36 1 9.75 0.00 2.11 0.08 0.10 87.96 15:50:36 2 10.26 0.00 2.11 0.10 0.09 87.43 15:50:36 3 8.60 0.00 1.93 0.05 0.09 89.32 15:50:36 4 8.41 0.00 1.79 0.04 0.10 89.66 15:50:36 5 8.47 0.00 1.92 0.39 0.09 89.12 15:50:36 6 7.61 0.00 1.75 0.14 0.08 90.42 15:50:36 7 8.20 0.00 1.88 0.48 0.09 89.34 Average: all 12.71 0.01 2.13 1.54 0.08 83.54 Average: 0 11.96 0.01 2.25 1.19 0.08 84.51 Average: 1 12.81 0.01 2.25 1.54 0.08 83.32 Average: 2 14.44 0.01 2.26 1.66 0.08 81.55 Average: 3 13.19 0.02 2.11 1.21 0.08 83.39 Average: 4 12.81 0.01 2.01 1.23 0.08 83.87 Average: 5 13.69 0.01 2.10 1.15 0.08 82.98 Average: 6 11.62 0.01 2.02 2.19 0.08 84.07 Average: 7 11.14 0.01 2.03 2.15 0.08 84.59