---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3496 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 867 13948 3 17276 30757 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:3e:ac:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.96/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83707sec preferred_lft 83707sec inet6 fe80::f816:3eff:fe3e:ac4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:bd:41:8c:1b:6f 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::9cbd:41ff:fe8c:1b6f/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-3496) 03/20/26 _x86_64_ (8 CPU) 13:04:10 LINUX RESTART (8 CPU) 13:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:15 293.34 0.48 281.96 10.91 22.07 48208.15 86291.80 13:30:16 27.66 0.18 25.16 2.32 7.65 3629.81 45536.23 13:40:16 12.76 0.60 11.70 0.45 16.40 2495.70 6742.42 Average: 111.27 0.42 106.28 4.56 15.38 18113.49 46193.70 13:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:15 2194400 21662604 10491332 31.92 593604 18010784 16423604 48.43 4851296 22146644 200 13:30:16 294348 19292688 12718440 38.70 577652 17682860 19342688 57.04 4974800 23896764 10672 13:40:16 408200 18940512 13072056 39.78 577464 17224460 19661000 57.98 4900484 23834596 12376 Average: 965649 19965268 12093943 36.80 582907 17639368 18475764 54.48 4908860 23292668 7749 13:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:15 lo 0.63 0.63 0.05 0.05 0.00 0.00 0.00 0.00 13:20:15 ens3 262.29 164.48 2329.19 49.35 0.00 0.00 0.00 0.00 13:20:15 docker0 17.29 33.72 1.00 675.33 0.00 0.00 0.00 0.00 13:20:15 br-e55c1bbf523b 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 13:20:15 veth430cbce 0.31 0.34 0.03 0.12 0.00 0.00 0.00 0.00 13:20:15 veth4aea8e4 7.99 8.21 4.90 1.50 0.00 0.00 0.00 0.00 13:20:15 veth59c1d90 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:20:15 vethf86d7dd 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:20:15 vethcbb1bcb 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 13:20:15 veth524b1c2 2.79 2.60 0.45 1.13 0.00 0.00 0.00 0.00 13:20:15 veth800d719 0.06 0.12 0.02 0.02 0.00 0.00 0.00 0.00 13:20:15 veth8de070f 0.96 0.83 0.13 0.93 0.00 0.00 0.00 0.00 13:30:16 lo 15.24 15.24 40.79 40.79 0.00 0.00 0.00 0.00 13:30:16 ens3 11.29 9.70 31.78 2.23 0.00 0.00 0.00 0.00 13:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:16 br-e55c1bbf523b 15.21 17.30 7.81 64.24 0.00 0.00 0.00 0.00 13:30:16 veth430cbce 10.18 8.62 104.70 26.49 0.00 0.00 0.00 0.01 13:30:16 veth4aea8e4 114.21 122.05 65.42 55.92 0.00 0.00 0.00 0.01 13:30:16 veth59c1d90 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 13:30:16 vethf86d7dd 17.12 18.63 212.67 105.20 0.00 0.00 0.00 0.02 13:30:16 vethcbb1bcb 25.53 27.70 7.74 275.50 0.00 0.00 0.00 0.02 13:30:16 veth524b1c2 89.31 83.77 80.84 39.89 0.00 0.00 0.00 0.01 13:30:16 veth8de070f 39.13 36.15 15.92 28.36 0.00 0.00 0.00 0.00 13:40:16 lo 38.27 38.27 185.81 185.81 0.00 0.00 0.00 0.00 13:40:16 ens3 1.70 1.21 0.83 1.15 0.00 0.00 0.00 0.00 13:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:16 br-e55c1bbf523b 24.83 26.39 38.73 148.14 0.00 0.00 0.00 0.00 13:40:16 veth430cbce 9.96 9.46 44.45 42.85 0.00 0.00 0.00 0.00 13:40:16 veth4aea8e4 73.02 80.16 56.57 28.82 0.00 0.00 0.00 0.00 13:40:16 veth59c1d90 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:16 vethf86d7dd 10.43 10.82 44.10 43.93 0.00 0.00 0.00 0.00 13:40:16 vethcbb1bcb 29.98 31.52 39.04 190.44 0.00 0.00 0.00 0.02 13:40:16 veth524b1c2 45.92 42.90 53.62 23.48 0.00 0.00 0.00 0.00 13:40:16 veth8de070f 40.89 36.90 18.52 35.85 0.00 0.00 0.00 0.00 Average: lo 18.05 18.05 75.54 75.54 0.00 0.00 0.00 0.00 Average: ens3 91.77 58.47 787.38 17.58 0.00 0.00 0.00 0.00 Average: docker0 5.76 11.24 0.33 225.14 0.00 0.00 0.00 0.00 Average: br-e55c1bbf523b 13.44 14.65 15.51 70.79 0.00 0.00 0.00 0.00 Average: veth430cbce 6.82 6.14 49.72 23.15 0.00 0.00 0.00 0.00 Average: veth4aea8e4 65.07 70.14 42.29 28.75 0.00 0.00 0.00 0.00 Average: veth59c1d90 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethf86d7dd 9.20 9.86 85.59 49.71 0.00 0.00 0.00 0.01 Average: vethcbb1bcb 18.51 19.77 15.59 155.31 0.00 0.00 0.00 0.01 Average: veth524b1c2 46.00 43.09 44.96 21.50 0.00 0.00 0.00 0.00 Average: veth8de070f 26.99 24.63 11.52 21.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3496) 03/20/26 _x86_64_ (8 CPU) 13:04:10 LINUX RESTART (8 CPU) 13:10:15 CPU %user %nice %system %iowait %steal %idle 13:20:15 all 23.37 0.02 3.15 1.65 0.09 71.72 13:20:15 0 26.25 0.03 3.09 1.65 0.10 68.89 13:20:15 1 23.21 0.03 2.92 1.11 0.09 72.64 13:20:15 2 24.03 0.02 3.54 1.55 0.09 70.78 13:20:15 3 25.81 0.02 3.27 1.48 0.08 69.34 13:20:15 4 20.72 0.01 3.12 1.95 0.09 74.11 13:20:15 5 23.75 0.00 3.07 3.33 0.10 69.75 13:20:15 6 21.01 0.02 2.95 1.03 0.09 74.90 13:20:15 7 22.18 0.04 3.26 1.12 0.08 73.32 13:30:16 all 10.24 0.01 1.66 0.50 0.08 87.51 13:30:16 0 10.09 0.00 1.69 0.49 0.08 87.65 13:30:16 1 10.52 0.00 1.78 0.37 0.09 87.25 13:30:16 2 11.58 0.00 1.80 0.85 0.08 85.68 13:30:16 3 10.77 0.01 1.75 0.28 0.08 87.11 13:30:16 4 10.02 0.00 1.55 0.27 0.07 88.08 13:30:16 5 10.06 0.01 1.62 1.21 0.08 87.02 13:30:16 6 8.43 0.01 1.57 0.46 0.08 89.45 13:30:16 7 10.47 0.01 1.52 0.12 0.08 87.81 13:40:16 all 8.33 0.00 1.97 0.10 0.09 89.52 13:40:16 0 7.97 0.00 2.04 0.09 0.10 89.80 13:40:16 1 8.79 0.00 1.98 0.15 0.09 88.99 13:40:16 2 8.84 0.00 2.01 0.07 0.09 88.99 13:40:16 3 8.24 0.00 2.05 0.10 0.09 89.52 13:40:16 4 8.77 0.00 1.96 0.13 0.09 89.04 13:40:16 5 7.86 0.00 1.84 0.05 0.08 90.16 13:40:16 6 8.33 0.00 1.91 0.06 0.09 89.60 13:40:16 7 7.80 0.00 1.95 0.11 0.09 90.06 Average: all 13.98 0.01 2.26 0.75 0.09 82.91 Average: 0 14.78 0.01 2.27 0.74 0.09 82.11 Average: 1 14.18 0.01 2.23 0.54 0.09 82.95 Average: 2 14.82 0.01 2.45 0.82 0.09 81.81 Average: 3 14.94 0.01 2.36 0.62 0.08 81.98 Average: 4 13.18 0.01 2.21 0.78 0.08 83.74 Average: 5 13.89 0.01 2.18 1.53 0.09 82.31 Average: 6 12.60 0.01 2.14 0.52 0.09 84.65 Average: 7 13.49 0.02 2.24 0.45 0.08 83.72