---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4479 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: 5599.86 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 1029 13559 4 17503 30595 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:71:5f:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.9/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83658sec preferred_lft 83658sec inet6 fe80::f816:3eff:fe71:5fba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:20:7d:63:be:ab 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::4c20:7dff:fe63:beab/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-4479) 03/24/26 _x86_64_ (8 CPU) 11:39:58 LINUX RESTART (8 CPU) 11:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:02 733.61 16.04 676.68 40.89 2324.39 82687.27 666822.47 12:00:04 80.53 0.42 77.07 3.04 17.49 10258.77 4309.24 12:10:01 24.89 0.08 22.42 2.39 2.74 4105.13 16250.41 12:20:03 10.81 0.09 10.13 0.60 2.16 2160.22 1792.55 Average: 212.74 4.16 196.83 11.74 587.52 24833.37 172499.85 11:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:02 10572832 27441136 4771616 14.52 551560 15559476 4908032 14.47 4584144 16131508 26280 12:00:04 900032 20287336 11818764 35.96 590140 17968780 17893612 52.77 4923528 23359752 12180 12:10:01 393348 19273208 12786884 38.91 573676 17528020 18707952 55.17 5039072 23730856 10564 12:20:03 282284 18875228 13184932 40.12 573120 17247664 19043920 56.16 4937116 23961392 87364 Average: 3037124 21469227 10640549 32.38 572124 17075985 15138379 44.64 4870965 21795877 34097 11:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:02 lo 0.91 0.91 0.17 0.17 0.00 0.00 0.00 0.00 11:50:02 ens3 628.90 395.49 4011.65 116.48 0.00 0.00 0.00 0.00 11:50:02 docker0 28.46 50.26 1.62 772.73 0.00 0.00 0.00 0.00 11:50:02 br-8b838674ea72 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:04 lo 2.57 2.57 5.07 5.07 0.00 0.00 0.00 0.00 12:00:04 ens3 29.65 18.35 847.78 2.99 0.00 0.00 0.00 0.00 12:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:04 br-8b838674ea72 2.52 2.69 0.91 7.62 0.00 0.00 0.00 0.00 12:00:04 veth722efaf 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 12:00:04 vethfa83625 1.46 1.26 7.91 1.68 0.00 0.00 0.00 0.00 12:00:04 veth75ddbf0 76.86 81.09 37.32 38.06 0.00 0.00 0.00 0.00 12:00:04 vetha5f0b52 3.10 3.39 0.62 27.26 0.00 0.00 0.00 0.00 12:00:04 vethc39c84a 1.70 1.90 19.80 7.91 0.00 0.00 0.00 0.00 12:00:04 vethf6ca756 77.04 72.22 52.17 34.15 0.00 0.00 0.00 0.00 12:00:04 veth2886376 2.43 1.91 0.33 1.83 0.00 0.00 0.00 0.00 12:10:01 lo 28.57 28.57 108.61 108.61 0.00 0.00 0.00 0.00 12:10:01 ens3 9.06 7.84 27.89 1.64 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 br-8b838674ea72 25.47 28.36 20.96 116.46 0.00 0.00 0.00 0.00 12:10:01 veth722efaf 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 12:10:01 vethfa83625 13.87 11.84 125.89 52.34 0.00 0.00 0.00 0.01 12:10:01 veth75ddbf0 71.71 78.24 60.31 28.15 0.00 0.00 0.00 0.00 12:10:01 vetha5f0b52 37.70 41.08 21.35 336.97 0.00 0.00 0.00 0.03 12:10:01 vethc39c84a 20.80 22.64 222.47 126.21 0.00 0.00 0.00 0.02 12:10:01 vethf6ca756 33.63 30.76 60.19 14.64 0.00 0.00 0.00 0.00 12:10:01 veth2886376 51.24 47.30 20.99 48.03 0.00 0.00 0.00 0.00 12:20:03 lo 34.55 34.55 164.51 164.51 0.00 0.00 0.00 0.00 12:20:03 ens3 0.90 0.65 0.30 0.62 0.00 0.00 0.00 0.00 12:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:03 br-8b838674ea72 28.72 28.97 35.12 130.99 0.00 0.00 0.00 0.00 12:20:03 veth722efaf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:03 vethfa83625 10.65 9.86 61.75 60.97 0.00 0.00 0.00 0.01 12:20:03 veth75ddbf0 63.11 69.10 57.86 22.46 0.00 0.00 0.00 0.00 12:20:03 vetha5f0b52 34.42 34.98 35.89 190.82 0.00 0.00 0.00 0.02 12:20:03 vethc39c84a 11.26 11.78 61.43 61.31 0.00 0.00 0.00 0.01 12:20:03 vethf6ca756 42.82 40.09 69.50 21.48 0.00 0.00 0.00 0.01 12:20:03 veth2886376 33.04 29.73 13.94 38.80 0.00 0.00 0.00 0.00 Average: lo 16.63 16.63 69.52 69.52 0.00 0.00 0.00 0.00 Average: ens3 167.35 105.72 1223.90 30.47 0.00 0.00 0.00 0.00 Average: docker0 7.12 12.58 0.41 193.45 0.00 0.00 0.00 0.00 Average: br-8b838674ea72 14.15 14.97 14.24 63.66 0.00 0.00 0.00 0.00 Average: veth722efaf 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethfa83625 6.48 5.73 48.70 28.70 0.00 0.00 0.00 0.00 Average: veth75ddbf0 52.89 57.07 38.83 22.16 0.00 0.00 0.00 0.00 Average: vetha5f0b52 18.76 19.82 14.45 138.29 0.00 0.00 0.00 0.01 Average: vethc39c84a 8.41 9.05 75.56 48.67 0.00 0.00 0.00 0.01 Average: vethf6ca756 38.40 35.80 45.45 17.58 0.00 0.00 0.00 0.00 Average: veth2886376 21.61 19.67 8.79 22.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4479) 03/24/26 _x86_64_ (8 CPU) 11:39:58 LINUX RESTART (8 CPU) 11:40:00 CPU %user %nice %system %iowait %steal %idle 11:50:02 all 34.48 0.00 5.13 1.25 0.09 59.05 11:50:02 0 30.97 0.00 5.00 1.74 0.09 62.21 11:50:02 1 36.48 0.00 5.16 1.08 0.09 57.19 11:50:02 2 30.33 0.00 5.01 1.50 0.09 63.07 11:50:02 3 41.06 0.00 5.67 1.13 0.09 52.05 11:50:02 4 37.17 0.00 4.88 0.96 0.08 56.91 11:50:02 5 33.49 0.00 4.83 1.13 0.08 60.47 11:50:02 6 34.28 0.00 5.19 1.28 0.10 59.15 11:50:02 7 32.08 0.00 5.30 1.15 0.09 61.39 12:00:04 all 11.48 0.03 1.73 0.25 0.08 86.44 12:00:04 0 11.31 0.02 1.92 0.41 0.08 86.26 12:00:04 1 12.74 0.02 1.80 0.09 0.08 85.27 12:00:04 2 11.80 0.01 1.70 0.16 0.09 86.23 12:00:04 3 10.97 0.08 1.52 0.26 0.08 87.09 12:00:04 4 11.98 0.03 1.88 0.06 0.08 85.98 12:00:04 5 10.84 0.04 1.81 0.19 0.08 87.04 12:00:04 6 10.79 0.00 1.71 0.68 0.08 86.73 12:00:04 7 11.38 0.02 1.48 0.14 0.08 86.90 12:10:01 all 10.67 0.00 2.14 0.13 0.09 86.96 12:10:01 0 10.19 0.00 2.30 0.31 0.09 87.12 12:10:01 1 13.62 0.00 2.25 0.15 0.09 83.89 12:10:01 2 11.45 0.00 2.31 0.19 0.09 85.96 12:10:01 3 10.39 0.01 2.15 0.04 0.09 87.32 12:10:01 4 11.27 0.01 2.11 0.10 0.09 86.41 12:10:01 5 9.04 0.01 1.89 0.08 0.08 88.90 12:10:01 6 10.18 0.01 2.07 0.05 0.09 87.60 12:10:01 7 9.19 0.01 2.09 0.13 0.09 88.50 12:20:03 all 8.14 0.00 1.96 0.04 0.09 89.78 12:20:03 0 7.31 0.00 1.97 0.02 0.09 90.61 12:20:03 1 8.40 0.00 2.10 0.06 0.09 89.35 12:20:03 2 9.14 0.00 2.03 0.04 0.08 88.71 12:20:03 3 8.78 0.00 1.95 0.07 0.09 89.11 12:20:03 4 8.46 0.00 1.93 0.03 0.09 89.49 12:20:03 5 7.81 0.00 1.81 0.02 0.09 90.28 12:20:03 6 7.46 0.00 1.88 0.02 0.08 90.56 12:20:03 7 7.77 0.00 1.98 0.03 0.09 90.13 Average: all 16.19 0.01 2.74 0.42 0.09 80.56 Average: 0 14.95 0.00 2.80 0.62 0.09 81.55 Average: 1 17.82 0.00 2.83 0.35 0.09 78.92 Average: 2 15.69 0.00 2.76 0.48 0.09 80.98 Average: 3 17.80 0.02 2.82 0.38 0.09 78.89 Average: 4 17.21 0.01 2.70 0.29 0.09 79.70 Average: 5 15.29 0.01 2.58 0.35 0.08 81.68 Average: 6 15.67 0.00 2.71 0.51 0.09 81.01 Average: 7 15.11 0.01 2.71 0.36 0.09 81.73