---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8067 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 849 13632 3 17609 30774 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:14:56:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.139/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83373sec preferred_lft 83373sec inet6 fe80::f816:3eff:fe14:5620/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:48:0b:d1:9f:c9 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::6048:bff:fed1:9fc9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-8067) 07/10/26 _x86_64_ (8 CPU) 12:19:24 LINUX RESTART (8 CPU) 12:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:05 541.51 5.91 520.38 15.22 386.35 46029.48 57973.89 12:40:45 150.53 0.28 144.57 5.68 13.31 27022.75 24160.99 12:50:35 28.30 0.38 25.37 2.56 14.05 3684.44 9189.91 13:00:35 10.26 0.52 9.37 0.37 15.25 1682.96 107.04 Average: 183.12 1.76 175.39 5.98 106.38 19816.07 22969.94 12:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:05 14283456 27310080 4917936 14.97 522592 11871916 5096188 15.03 3057052 14095840 10668 12:40:45 1587364 21131308 11021756 33.54 600132 18048460 16875668 49.76 4817684 22793316 1404 12:50:35 411760 19376660 12678144 38.58 581760 17578292 18998124 56.02 4901016 23806992 11920 13:00:35 357856 18933516 13103812 39.87 581924 17213384 19418204 57.26 4867596 23933888 10848 Average: 4160109 21687891 10430412 31.74 571602 16178013 15097046 44.52 4410837 21157509 8710 12:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:05 lo 0.70 0.70 0.08 0.08 0.00 0.00 0.00 0.00 12:30:05 ens3 451.75 279.73 3244.11 98.16 0.00 0.00 0.00 0.00 12:30:05 docker0 14.33 24.15 0.88 497.12 0.00 0.00 0.00 0.00 12:30:05 veth657be36 2.88 7.89 0.22 172.46 0.00 0.00 0.00 0.01 12:40:45 lo 0.58 0.58 0.04 0.04 0.00 0.00 0.00 0.00 12:40:45 ens3 111.71 75.01 1378.03 17.09 0.00 0.00 0.00 0.00 12:40:45 docker0 19.45 34.39 1.29 326.89 0.00 0.00 0.00 0.00 12:40:45 br-77a224aa0c7e 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 12:40:45 veth680de29 0.42 0.40 0.05 0.23 0.00 0.00 0.00 0.00 12:40:45 vethc555742 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:40:45 veth702cda4 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 12:40:45 veth0d1902b 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:40:45 vethf9ae671 53.08 55.87 22.18 28.28 0.00 0.00 0.00 0.00 12:40:45 veth017e7a4 51.73 48.60 38.85 18.99 0.00 0.00 0.00 0.00 12:40:45 vethd7b4351 0.82 1.47 0.85 11.50 0.00 0.00 0.00 0.00 12:40:45 vethe9e9f00 1.84 1.45 0.25 1.45 0.00 0.00 0.00 0.00 12:50:35 lo 22.40 22.40 73.99 73.99 0.00 0.00 0.00 0.00 12:50:35 ens3 19.98 12.71 34.95 3.70 0.00 0.00 0.00 0.00 12:50:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:35 br-77a224aa0c7e 21.56 24.78 15.50 90.78 0.00 0.00 0.00 0.00 12:50:35 veth680de29 11.32 11.58 59.66 37.23 0.00 0.00 0.00 0.00 12:50:35 vethc555742 20.27 20.26 227.11 60.05 0.00 0.00 0.00 0.02 12:50:35 veth702cda4 33.02 36.26 14.87 315.94 0.00 0.00 0.00 0.03 12:50:35 veth0d1902b 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 12:50:35 vethf9ae671 92.89 100.34 68.50 38.83 0.00 0.00 0.00 0.01 12:50:35 veth017e7a4 47.53 44.35 53.42 25.02 0.00 0.00 0.00 0.00 12:50:35 vethe9e9f00 58.92 54.36 25.51 46.18 0.00 0.00 0.00 0.00 13:00:35 lo 35.10 35.10 170.10 170.10 0.00 0.00 0.00 0.00 13:00:35 ens3 2.52 1.44 1.20 2.23 0.00 0.00 0.00 0.00 13:00:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:35 br-77a224aa0c7e 29.30 30.60 33.94 137.88 0.00 0.00 0.00 0.00 13:00:35 veth680de29 7.91 9.19 7.40 41.14 0.00 0.00 0.00 0.00 13:00:35 vethc555742 9.73 9.10 41.62 6.98 0.00 0.00 0.00 0.00 13:00:35 veth702cda4 34.29 35.08 34.10 177.94 0.00 0.00 0.00 0.01 13:00:35 veth0d1902b 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:35 vethf9ae671 64.67 71.14 52.80 24.17 0.00 0.00 0.00 0.00 13:00:35 veth017e7a4 44.82 41.43 51.92 25.51 0.00 0.00 0.00 0.00 13:00:35 vethe9e9f00 32.44 29.25 13.96 29.61 0.00 0.00 0.00 0.00 Average: lo 14.42 14.42 59.95 59.95 0.00 0.00 0.00 0.00 Average: ens3 146.75 92.46 1174.70 30.26 0.00 0.00 0.00 0.00 Average: docker0 8.66 15.02 0.56 209.09 0.00 0.00 0.00 0.00 Average: br-77a224aa0c7e 12.54 13.63 12.14 56.05 0.00 0.00 0.00 0.00 Average: veth680de29 4.81 5.18 16.32 19.24 0.00 0.00 0.00 0.00 Average: vethc555742 7.33 7.19 65.38 16.30 0.00 0.00 0.00 0.01 Average: veth702cda4 16.48 17.48 12.02 120.57 0.00 0.00 0.00 0.01 Average: veth0d1902b 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethf9ae671 52.45 56.59 35.48 22.82 0.00 0.00 0.00 0.00 Average: veth017e7a4 36.19 33.76 35.99 17.36 0.00 0.00 0.00 0.00 Average: vethe9e9f00 22.79 20.79 9.70 18.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-8067) 07/10/26 _x86_64_ (8 CPU) 12:19:24 LINUX RESTART (8 CPU) 12:20:02 CPU %user %nice %system %iowait %steal %idle 12:30:05 all 39.09 0.00 5.29 1.09 0.26 54.27 12:30:05 0 37.94 0.00 4.73 1.17 0.24 55.91 12:30:05 1 38.85 0.00 5.47 1.28 0.27 54.14 12:30:05 2 40.71 0.00 5.40 1.09 0.27 52.54 12:30:05 3 32.09 0.00 5.20 0.74 0.28 61.69 12:30:05 4 36.63 0.00 5.46 1.12 0.26 56.53 12:30:05 5 44.70 0.00 5.27 1.16 0.27 48.60 12:30:05 6 39.99 0.00 5.29 1.15 0.26 53.31 12:30:05 7 41.84 0.00 5.47 1.03 0.26 51.41 12:40:45 all 12.74 0.03 2.41 0.59 0.14 84.11 12:40:45 0 12.83 0.01 2.37 0.41 0.13 84.25 12:40:45 1 14.89 0.02 2.59 0.59 0.14 81.76 12:40:45 2 12.61 0.03 2.43 0.87 0.15 83.91 12:40:45 3 13.87 0.01 2.58 0.81 0.14 82.59 12:40:45 4 11.47 0.04 2.15 0.58 0.14 85.62 12:40:45 5 11.92 0.05 2.66 0.59 0.14 84.65 12:40:45 6 11.74 0.02 2.40 0.33 0.13 85.39 12:40:45 7 12.58 0.03 2.08 0.52 0.13 84.67 12:50:35 all 11.72 0.01 2.14 0.13 0.15 85.85 12:50:35 0 11.15 0.01 2.33 0.28 0.16 86.07 12:50:35 1 11.12 0.00 2.18 0.13 0.16 86.41 12:50:35 2 11.38 0.01 2.18 0.15 0.15 86.13 12:50:35 3 11.20 0.01 2.05 0.04 0.15 86.55 12:50:35 4 12.66 0.00 2.12 0.12 0.16 84.94 12:50:35 5 11.25 0.01 2.19 0.16 0.15 86.25 12:50:35 6 12.40 0.01 2.08 0.09 0.15 85.27 12:50:35 7 12.58 0.00 2.01 0.08 0.14 85.19 13:00:35 all 7.91 0.00 1.79 0.16 0.20 89.93 13:00:35 0 7.11 0.00 1.75 0.04 0.17 90.92 13:00:35 1 8.92 0.00 2.03 0.28 0.21 88.55 13:00:35 2 8.57 0.00 1.80 0.03 0.22 89.38 13:00:35 3 8.20 0.00 1.69 0.16 0.17 89.77 13:00:35 4 8.47 0.00 1.87 0.39 0.25 89.02 13:00:35 5 7.16 0.00 1.72 0.32 0.18 90.62 13:00:35 6 8.24 0.00 1.82 0.07 0.18 89.69 13:00:35 7 6.64 0.00 1.62 0.01 0.22 91.51 Average: all 17.77 0.01 2.90 0.50 0.19 78.64 Average: 0 17.19 0.01 2.79 0.47 0.17 79.37 Average: 1 18.38 0.01 3.06 0.57 0.20 77.79 Average: 2 18.21 0.01 2.94 0.54 0.20 78.10 Average: 3 16.30 0.01 2.88 0.45 0.18 80.18 Average: 4 17.19 0.01 2.88 0.56 0.20 79.15 Average: 5 18.65 0.01 2.96 0.56 0.18 77.63 Average: 6 17.98 0.01 2.89 0.41 0.18 78.53 Average: 7 18.29 0.01 2.78 0.41 0.19 78.33