---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6214 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 859 13932 3 17300 30764 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:19:1c:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.234/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83829sec preferred_lft 83829sec inet6 fe80::f816:3eff:fe19:1cc1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:3b:77:64:32:cd 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::483b:77ff:fe64:32cd/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-6214) 07/07/26 _x86_64_ (8 CPU) 11:12:43 LINUX RESTART (8 CPU) 11:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:03 219.72 0.41 211.71 7.60 18.54 39063.19 47472.59 11:40:01 28.71 0.42 25.78 2.50 25.76 4029.01 8621.19 11:50:02 11.13 0.59 10.08 0.45 16.54 1855.51 662.00 Average: 86.74 0.48 82.74 3.52 20.27 15023.30 18963.35 11:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:03 999672 20625592 11526848 35.08 598644 18130444 17390660 51.28 4802668 23357520 1076 11:40:01 372736 18787736 13255472 40.34 581324 17052536 19576816 57.73 4871484 23899956 11964 11:50:02 411188 18469112 13586396 41.34 580780 16689452 19923460 58.75 4847488 23897216 13748 Average: 594532 19294147 12789572 38.92 586916 17290811 18963645 55.92 4840547 23718231 8929 11:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:03 lo 0.58 0.58 0.04 0.04 0.00 0.00 0.00 0.00 11:30:03 ens3 201.21 124.25 1952.46 42.35 0.00 0.00 0.00 0.00 11:30:03 docker0 13.69 29.35 0.81 589.89 0.00 0.00 0.00 0.00 11:30:03 br-a879165ab58d 0.30 0.27 0.01 0.02 0.00 0.00 0.00 0.00 11:30:03 veth26c4607 0.23 0.25 0.03 0.15 0.00 0.00 0.00 0.00 11:30:03 vetheffa339 54.58 58.00 22.70 29.52 0.00 0.00 0.00 0.00 11:30:03 vethcca606f 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:30:03 veth53255cd 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:30:03 vethb2139ef 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 11:30:03 veth8a3321c 53.91 49.75 40.52 19.64 0.00 0.00 0.00 0.00 11:30:03 vethe736df2 0.85 1.54 0.89 12.06 0.00 0.00 0.00 0.00 11:30:03 veth7102bd9 1.28 1.04 0.17 1.12 0.00 0.00 0.00 0.00 11:40:01 lo 26.11 26.11 92.47 92.47 0.00 0.00 0.00 0.00 11:40:01 ens3 11.66 10.29 31.83 2.19 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 br-a879165ab58d 21.92 24.86 17.58 106.56 0.00 0.00 0.00 0.00 11:40:01 veth26c4607 11.81 12.42 60.29 47.98 0.00 0.00 0.00 0.00 11:40:01 vetheffa339 85.02 91.83 58.93 35.20 0.00 0.00 0.00 0.00 11:40:01 vethcca606f 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 11:40:01 veth53255cd 21.72 21.55 237.09 60.72 0.00 0.00 0.00 0.02 11:40:01 vethb2139ef 34.45 37.45 17.52 341.71 0.00 0.00 0.00 0.03 11:40:01 veth8a3321c 49.36 45.79 64.74 25.95 0.00 0.00 0.00 0.01 11:40:01 veth7102bd9 48.87 45.10 20.79 35.55 0.00 0.00 0.00 0.00 11:50:02 lo 37.97 37.97 183.63 183.63 0.00 0.00 0.00 0.00 11:50:02 ens3 4.53 1.75 2.38 2.35 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:02 br-a879165ab58d 24.96 32.30 37.58 147.51 0.00 0.00 0.00 0.00 11:50:02 veth26c4607 9.50 11.59 9.89 67.54 0.00 0.00 0.00 0.01 11:50:02 vetheffa339 63.69 70.09 49.11 23.28 0.00 0.00 0.00 0.00 11:50:02 vethcca606f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:02 veth53255cd 12.72 11.27 68.27 9.47 0.00 0.00 0.00 0.01 11:50:02 vethb2139ef 31.20 38.52 38.29 214.04 0.00 0.00 0.00 0.02 11:50:02 veth8a3321c 46.83 43.02 77.07 25.60 0.00 0.00 0.00 0.01 11:50:02 veth7102bd9 30.37 27.18 13.70 25.97 0.00 0.00 0.00 0.00 Average: lo 21.53 21.53 91.95 91.95 0.00 0.00 0.00 0.00 Average: ens3 72.69 45.56 664.46 15.68 0.00 0.00 0.00 0.00 Average: docker0 4.58 9.82 0.27 197.32 0.00 0.00 0.00 0.00 Average: br-a879165ab58d 15.70 19.11 18.37 84.57 0.00 0.00 0.00 0.00 Average: veth26c4607 7.17 8.07 23.33 38.50 0.00 0.00 0.00 0.00 Average: vetheffa339 67.73 73.26 43.53 29.32 0.00 0.00 0.00 0.00 Average: vethcca606f 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth53255cd 11.46 10.96 101.50 23.33 0.00 0.00 0.00 0.01 Average: vethb2139ef 21.85 25.31 18.58 184.84 0.00 0.00 0.00 0.02 Average: veth8a3321c 50.04 46.19 60.75 23.72 0.00 0.00 0.00 0.00 Average: veth7102bd9 26.78 24.39 11.53 20.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-6214) 07/07/26 _x86_64_ (8 CPU) 11:12:43 LINUX RESTART (8 CPU) 11:20:00 CPU %user %nice %system %iowait %steal %idle 11:30:03 all 18.48 0.02 2.80 1.27 0.07 77.36 11:30:03 0 17.77 0.04 2.48 0.80 0.07 78.85 11:30:03 1 21.50 0.02 3.09 1.10 0.07 74.22 11:30:03 2 19.64 0.03 3.08 1.22 0.08 75.95 11:30:03 3 20.03 0.02 2.87 1.04 0.07 75.98 11:30:03 4 16.42 0.02 2.62 0.97 0.07 79.90 11:30:03 5 18.53 0.03 2.68 1.23 0.07 77.45 11:30:03 6 17.98 0.01 2.69 2.19 0.07 77.05 11:30:03 7 15.96 0.02 2.91 1.58 0.07 79.46 11:40:01 all 10.50 0.01 1.96 0.24 0.08 87.22 11:40:01 0 9.95 0.00 2.04 0.22 0.08 87.71 11:40:01 1 12.19 0.00 2.07 0.15 0.08 85.51 11:40:01 2 10.98 0.01 1.94 0.06 0.08 86.92 11:40:01 3 9.58 0.01 1.96 0.40 0.08 87.98 11:40:01 4 10.94 0.01 1.97 0.24 0.08 86.77 11:40:01 5 10.30 0.01 2.01 0.16 0.08 87.44 11:40:01 6 9.86 0.01 1.83 0.29 0.08 87.94 11:40:01 7 10.18 0.01 1.83 0.37 0.08 87.52 11:50:02 all 7.90 0.00 1.81 0.05 0.08 90.15 11:50:02 0 7.68 0.00 1.70 0.02 0.08 90.53 11:50:02 1 8.87 0.00 2.04 0.14 0.08 88.87 11:50:02 2 8.55 0.00 1.83 0.04 0.08 89.49 11:50:02 3 7.72 0.00 1.86 0.05 0.08 90.29 11:50:02 4 8.18 0.00 1.86 0.05 0.08 89.83 11:50:02 5 7.17 0.00 1.63 0.05 0.07 91.07 11:50:02 6 7.47 0.00 1.74 0.05 0.11 90.63 11:50:02 7 7.54 0.00 1.82 0.04 0.08 90.53 Average: all 12.30 0.01 2.19 0.52 0.08 84.90 Average: 0 11.81 0.01 2.07 0.35 0.07 85.69 Average: 1 14.20 0.01 2.40 0.47 0.08 82.85 Average: 2 13.07 0.01 2.29 0.44 0.08 84.11 Average: 3 12.45 0.01 2.23 0.50 0.08 84.74 Average: 4 11.85 0.01 2.15 0.42 0.08 85.50 Average: 5 12.01 0.01 2.11 0.48 0.07 85.31 Average: 6 11.78 0.01 2.09 0.85 0.09 85.20 Average: 7 11.23 0.01 2.19 0.67 0.08 85.83