---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1021 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 28G 128G 18% / 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 874 11522 4 19695 30750 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:02:59:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.136/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83957sec preferred_lft 83957sec inet6 fe80::f816:3eff:fe02:5963/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:c5:dd:d6:76:66 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::acc5:ddff:fed6:7666/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1021) 03/02/26 _x86_64_ (8 CPU) 12:36:09 LINUX RESTART (8 CPU) 12:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:11 438.51 0.76 430.14 7.61 45.51 54700.83 82429.61 13:00:02 282.04 0.65 248.25 33.13 21.54 27052.32 476363.83 13:10:05 12.22 0.49 10.69 1.04 11.77 434.09 206204.27 Average: 243.71 0.63 229.27 13.81 26.27 27356.13 253814.99 12:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:11 11216240 27554304 4672072 14.22 494952 15212588 4629584 13.65 4514780 15713712 602956 13:00:02 258052 21678360 10466288 31.85 598380 19851872 15823456 46.66 5875904 22992020 556 13:10:05 256328 20571580 11572992 35.22 591188 18771624 16845224 49.67 5622660 23240592 2024 Average: 3910207 23268081 8903784 27.09 561507 17945361 12432755 36.66 5337781 20648775 201845 12:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:11 lo 0.43 0.43 0.07 0.07 0.00 0.00 0.00 0.00 12:50:11 ens3 191.57 115.84 1918.60 25.91 0.00 0.00 0.00 0.00 12:50:11 docker0 28.19 46.52 1.59 729.59 0.00 0.00 0.00 0.00 13:00:02 lo 0.59 0.59 0.10 0.10 0.00 0.00 0.00 0.00 13:00:02 ens3 113.18 75.75 1801.73 20.32 0.00 0.00 0.00 0.00 13:00:02 docker0 9.60 13.81 0.55 216.94 0.00 0.00 0.00 0.00 13:00:02 br-6ba79b98d597 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 13:00:02 veth2ca16a5 8.61 8.79 5.05 1.58 0.00 0.00 0.00 0.00 13:00:02 veth9c16a39 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:00:02 veth7bb53c2 0.31 0.34 0.03 0.13 0.00 0.00 0.00 0.00 13:00:02 veth4c2f296 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 13:00:02 vethf25c2e9 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:00:02 vethd7843b8 3.17 2.93 0.50 1.18 0.00 0.00 0.00 0.00 13:00:02 vethd732881 0.07 0.14 0.02 0.03 0.00 0.00 0.00 0.00 13:00:02 vethedb59b3 1.07 0.91 0.14 0.97 0.00 0.00 0.00 0.00 13:10:05 lo 6.21 6.21 28.03 28.03 0.00 0.00 0.00 0.00 13:10:05 ens3 12.37 7.55 4.19 4.44 0.00 0.00 0.00 0.00 13:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:05 br-6ba79b98d597 3.34 3.24 27.32 0.77 0.00 0.00 0.00 0.00 13:10:05 veth2ca16a5 268.29 288.31 201.30 135.55 0.00 0.00 0.00 0.02 13:10:05 veth9c16a39 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 13:10:05 veth7bb53c2 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 13:10:05 veth4c2f296 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:05 vethf25c2e9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:05 vethd7843b8 131.80 122.81 103.37 69.21 0.00 0.00 0.00 0.01 13:10:05 vethedb59b3 164.27 152.73 75.19 136.06 0.00 0.00 0.00 0.01 Average: lo 2.42 2.42 9.47 9.47 0.00 0.00 0.00 0.00 Average: ens3 105.53 66.24 1236.80 16.85 0.00 0.00 0.00 0.00 Average: docker0 12.59 20.11 0.71 315.52 0.00 0.00 0.00 0.00 Average: br-6ba79b98d597 1.22 1.17 9.18 0.26 0.00 0.00 0.00 0.00 Average: veth2ca16a5 92.99 99.77 69.30 46.07 0.00 0.00 0.00 0.01 Average: veth9c16a39 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth7bb53c2 0.24 0.18 0.03 0.16 0.00 0.00 0.00 0.00 Average: veth4c2f296 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethf25c2e9 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethd7843b8 45.33 42.23 34.90 23.65 0.00 0.00 0.00 0.00 Average: vethedb59b3 55.55 51.62 25.31 46.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1021) 03/02/26 _x86_64_ (8 CPU) 12:36:09 LINUX RESTART (8 CPU) 12:40:11 CPU %user %nice %system %iowait %steal %idle 12:50:11 all 15.35 0.00 3.48 1.47 0.08 79.61 12:50:11 0 16.03 0.00 3.28 1.41 0.09 79.19 12:50:11 1 17.04 0.00 4.24 1.55 0.09 77.08 12:50:11 2 11.45 0.00 3.24 1.19 0.08 84.04 12:50:11 3 15.01 0.00 3.60 1.11 0.09 80.18 12:50:11 4 16.76 0.00 3.60 1.26 0.08 78.30 12:50:11 5 15.80 0.00 3.33 1.63 0.08 79.16 12:50:11 6 13.87 0.00 3.53 1.76 0.08 80.76 12:50:11 7 16.87 0.00 2.98 1.86 0.08 78.20 13:00:02 all 16.24 0.02 2.21 0.97 0.09 80.48 13:00:02 0 15.85 0.01 2.17 1.10 0.09 80.78 13:00:02 1 17.92 0.01 2.63 1.33 0.09 78.03 13:00:02 2 15.99 0.03 2.48 1.39 0.09 80.03 13:00:02 3 16.40 0.03 2.06 0.86 0.09 80.57 13:00:02 4 19.93 0.03 2.13 0.64 0.08 77.20 13:00:02 5 14.95 0.03 1.98 0.85 0.09 82.10 13:00:02 6 14.55 0.02 2.06 0.95 0.08 82.34 13:00:02 7 14.36 0.02 2.15 0.62 0.08 82.76 13:10:05 all 8.19 0.00 1.17 0.04 0.09 90.50 13:10:05 0 9.85 0.00 1.25 0.02 0.08 88.79 13:10:05 1 8.08 0.00 1.26 0.02 0.10 90.54 13:10:05 2 9.29 0.00 1.34 0.03 0.10 89.25 13:10:05 3 9.16 0.01 1.25 0.02 0.08 89.49 13:10:05 4 7.77 0.00 1.24 0.03 0.10 90.86 13:10:05 5 7.65 0.00 1.03 0.03 0.09 91.20 13:10:05 6 7.85 0.00 1.02 0.14 0.09 90.90 13:10:05 7 5.93 0.00 0.97 0.03 0.09 92.99 Average: all 13.25 0.01 2.28 0.83 0.09 83.55 Average: 0 13.90 0.00 2.23 0.84 0.09 82.93 Average: 1 14.33 0.00 2.71 0.97 0.09 81.90 Average: 2 12.23 0.01 2.35 0.87 0.09 84.45 Average: 3 13.51 0.01 2.30 0.66 0.09 83.43 Average: 4 14.80 0.01 2.32 0.64 0.09 82.14 Average: 5 12.79 0.01 2.11 0.84 0.09 84.17 Average: 6 12.07 0.01 2.20 0.95 0.09 84.68 Average: 7 12.37 0.01 2.03 0.84 0.08 84.67