---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1254 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 878 13853 3 17359 30745 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:4f:70:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.240/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83570sec preferred_lft 83570sec inet6 fe80::f816:3eff:fe4f:7007/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:03:b1:fa:33:44 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::803:b1ff:fefa:3344/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1254) 05/19/26 _x86_64_ (8 CPU) 07:39:16 LINUX RESTART (8 CPU) 07:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:01 668.07 5.50 646.19 16.38 379.62 63158.69 75627.97 08:00:30 107.17 0.40 103.30 3.47 18.23 12150.87 4971.48 08:10:02 26.17 0.33 23.57 2.28 5.20 4498.16 8306.83 08:20:39 23.41 11.65 11.23 0.54 134.99 2188.55 392.18 Average: 203.03 4.57 192.88 5.57 133.90 20186.54 21798.21 07:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:01 11062676 27770260 4444740 13.53 544780 15407484 4648340 13.71 4115476 16131412 88720 08:00:30 1156844 20710044 11395920 34.68 596828 18109816 17729472 52.28 4872744 23104948 32624 08:10:02 338464 19282208 12719240 38.70 578584 17619600 19416800 57.26 4994616 23792860 10600 08:20:39 314816 18936368 13074888 39.79 580632 17278276 19732096 58.19 4885272 23936636 33464 Average: 3218200 21674720 10408697 31.67 575206 17103794 15381677 45.36 4717027 21741464 41352 07:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:01 lo 0.73 0.73 0.08 0.08 0.00 0.00 0.00 0.00 07:50:01 ens3 463.87 296.71 3707.69 88.25 0.00 0.00 0.00 0.00 07:50:01 docker0 20.52 37.59 1.26 872.95 0.00 0.00 0.00 0.00 08:00:30 lo 1.84 1.84 3.10 3.10 0.00 0.00 0.00 0.00 08:00:30 ens3 57.66 38.84 878.49 10.03 0.00 0.00 0.00 0.00 08:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:30 br-54165db450af 1.75 2.00 0.81 5.71 0.00 0.00 0.00 0.00 08:00:30 veth3537d3d 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:00:30 veth7015a5c 1.54 1.85 18.87 7.49 0.00 0.00 0.00 0.00 08:00:30 veth49418f5 72.02 76.06 35.67 36.30 0.00 0.00 0.00 0.00 08:00:30 veth062d80a 1.41 1.12 7.48 1.51 0.00 0.00 0.00 0.00 08:00:30 veth665a91b 2.27 2.65 0.50 24.46 0.00 0.00 0.00 0.00 08:00:30 veth5490c8a 72.17 67.74 49.72 32.61 0.00 0.00 0.00 0.00 08:00:30 veth5c55ad3 2.29 1.80 0.31 1.72 0.00 0.00 0.00 0.00 08:10:02 lo 27.76 27.76 104.12 104.12 0.00 0.00 0.00 0.00 08:10:02 ens3 10.06 8.39 29.31 2.35 0.00 0.00 0.00 0.00 08:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:02 br-54165db450af 24.59 29.11 20.26 113.90 0.00 0.00 0.00 0.00 08:10:02 veth3537d3d 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 08:10:02 veth7015a5c 20.59 23.28 229.12 128.94 0.00 0.00 0.00 0.02 08:10:02 veth49418f5 69.68 76.45 48.16 28.37 0.00 0.00 0.00 0.00 08:10:02 veth062d80a 14.74 12.29 128.63 52.15 0.00 0.00 0.00 0.01 08:10:02 veth665a91b 36.56 41.09 20.55 341.02 0.00 0.00 0.00 0.03 08:10:02 veth5490c8a 32.22 29.28 59.69 13.23 0.00 0.00 0.00 0.00 08:10:02 veth5c55ad3 50.84 46.79 21.58 37.31 0.00 0.00 0.00 0.00 08:20:39 lo 34.21 34.21 161.79 161.79 0.00 0.00 0.00 0.00 08:20:39 ens3 0.79 0.63 0.21 0.72 0.00 0.00 0.00 0.00 08:20:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:39 br-54165db450af 29.04 33.54 33.28 130.44 0.00 0.00 0.00 0.00 08:20:39 veth3537d3d 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:39 veth7015a5c 9.58 10.43 48.81 48.73 0.00 0.00 0.00 0.00 08:20:39 veth49418f5 60.09 66.12 44.62 21.85 0.00 0.00 0.00 0.00 08:20:39 veth062d80a 9.70 8.82 49.19 48.31 0.00 0.00 0.00 0.00 08:20:39 veth665a91b 34.09 38.46 34.04 177.74 0.00 0.00 0.00 0.01 08:20:39 veth5490c8a 42.96 40.31 57.03 21.91 0.00 0.00 0.00 0.00 08:20:39 veth5c55ad3 29.42 26.21 13.14 25.05 0.00 0.00 0.00 0.00 Average: lo 16.15 16.15 67.69 67.69 0.00 0.00 0.00 0.00 Average: ens3 130.68 84.59 1138.91 24.87 0.00 0.00 0.00 0.00 Average: docker0 5.01 9.17 0.31 213.00 0.00 0.00 0.00 0.00 Average: br-54165db450af 13.84 16.15 13.69 62.45 0.00 0.00 0.00 0.00 Average: veth3537d3d 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth7015a5c 7.75 8.69 71.62 45.06 0.00 0.00 0.00 0.01 Average: veth49418f5 50.77 54.99 32.25 21.79 0.00 0.00 0.00 0.00 Average: veth062d80a 6.37 5.49 45.10 25.32 0.00 0.00 0.00 0.00 Average: veth665a91b 18.12 20.43 13.88 133.17 0.00 0.00 0.00 0.01 Average: veth5490c8a 37.50 34.98 41.85 17.29 0.00 0.00 0.00 0.00 Average: veth5c55ad3 20.27 18.35 8.60 15.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1254) 05/19/26 _x86_64_ (8 CPU) 07:39:16 LINUX RESTART (8 CPU) 07:40:08 CPU %user %nice %system %iowait %steal %idle 07:50:01 all 34.93 0.00 4.98 2.45 0.10 57.54 07:50:01 0 37.52 0.00 5.38 2.10 0.10 54.91 07:50:01 1 34.23 0.00 5.07 2.50 0.09 58.11 07:50:01 2 35.70 0.00 5.01 2.31 0.10 56.88 07:50:01 3 35.99 0.00 4.64 2.29 0.09 56.99 07:50:01 4 33.19 0.00 5.35 2.73 0.10 58.63 07:50:01 5 35.04 0.00 4.94 2.48 0.10 57.44 07:50:01 6 32.76 0.00 4.77 2.19 0.10 60.19 07:50:01 7 35.01 0.00 4.71 3.01 0.09 57.17 08:00:30 all 11.46 0.03 1.63 0.51 0.07 86.30 08:00:30 0 11.80 0.02 1.75 1.44 0.07 84.92 08:00:30 1 11.53 0.02 1.77 0.40 0.07 86.21 08:00:30 2 12.00 0.06 1.51 0.29 0.07 86.08 08:00:30 3 11.77 0.02 1.77 0.60 0.07 85.77 08:00:30 4 11.74 0.04 1.76 0.55 0.07 85.85 08:00:30 5 11.06 0.01 1.53 0.42 0.07 86.91 08:00:30 6 11.13 0.02 1.49 0.21 0.07 87.07 08:00:30 7 10.66 0.03 1.46 0.19 0.06 87.61 08:10:02 all 10.77 0.01 2.28 0.15 0.09 86.70 08:10:02 0 9.31 0.00 2.33 0.11 0.09 88.16 08:10:02 1 11.14 0.01 2.31 0.10 0.09 86.34 08:10:02 2 11.40 0.00 2.19 0.08 0.10 86.23 08:10:02 3 12.08 0.00 2.42 0.10 0.09 85.30 08:10:02 4 10.19 0.01 2.27 0.19 0.09 87.24 08:10:02 5 12.26 0.00 2.31 0.26 0.08 85.08 08:10:02 6 10.25 0.00 2.26 0.27 0.09 87.13 08:10:02 7 9.55 0.01 2.10 0.13 0.09 88.12 08:20:39 all 8.00 0.04 2.01 0.08 0.09 89.78 08:20:39 0 6.97 0.02 2.08 0.05 0.09 90.79 08:20:39 1 9.15 0.00 2.13 0.03 0.09 88.60 08:20:39 2 8.33 0.05 1.98 0.09 0.09 89.45 08:20:39 3 7.81 0.07 2.07 0.11 0.09 89.86 08:20:39 4 8.52 0.02 2.01 0.04 0.09 89.33 08:20:39 5 8.21 0.02 2.06 0.10 0.09 89.52 08:20:39 6 7.75 0.09 1.88 0.13 0.08 90.07 08:20:39 7 7.26 0.05 1.87 0.07 0.09 90.66 Average: all 16.12 0.02 2.70 0.79 0.08 80.29 Average: 0 16.22 0.01 2.86 0.92 0.09 79.90 Average: 1 16.35 0.01 2.80 0.75 0.08 80.01 Average: 2 16.67 0.03 2.65 0.68 0.09 79.88 Average: 3 16.71 0.03 2.70 0.77 0.08 79.71 Average: 4 15.76 0.02 2.82 0.87 0.09 80.45 Average: 5 16.45 0.01 2.69 0.80 0.08 79.97 Average: 6 15.32 0.03 2.57 0.69 0.08 81.31 Average: 7 15.44 0.02 2.51 0.83 0.08 81.11