---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-145 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 1049 14381 4 16661 30575 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:3c:e4:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.41/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83682sec preferred_lft 83682sec inet6 fe80::f816:3eff:fe3c:e480/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:fa:65:d4:11:a4 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::c0fa:65ff:fed4:11a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-145) 04/10/26 _x86_64_ (8 CPU) 07:33:11 LINUX RESTART (8 CPU) 07:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:01 224.86 0.37 217.09 7.40 16.39 39369.88 45547.85 08:00:13 28.02 0.28 25.28 2.47 9.76 4076.12 47748.91 08:10:13 11.50 0.06 11.06 0.38 1.45 2146.04 5315.79 Average: 86.88 0.24 83.26 3.38 9.16 14973.57 32884.88 07:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:01 1305372 20420516 11734024 35.71 591468 17657780 17625400 51.98 4621260 23263512 1492 08:00:13 365204 18519700 13524364 41.15 574724 16827756 19772752 58.31 4722928 24061968 23504 08:10:13 361784 18349772 13704952 41.70 574988 16654856 19961196 58.86 4668264 24150508 8780 Average: 677453 19096663 12987780 39.52 580393 17046797 19119783 56.38 4670817 23825329 11259 07:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:01 lo 0.60 0.60 0.08 0.08 0.00 0.00 0.00 0.00 07:50:01 ens3 151.16 99.38 1853.28 28.36 0.00 0.00 0.00 0.00 07:50:01 docker0 16.71 30.30 0.96 611.03 0.00 0.00 0.00 0.00 07:50:01 br-2495b1d39843 0.31 0.27 0.01 0.02 0.00 0.00 0.00 0.00 07:50:01 veth01bf8cf 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:50:01 vethae3de44 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:50:01 veth9e153e8 0.38 0.38 0.04 0.18 0.00 0.00 0.00 0.00 07:50:01 veth4437ec3 32.98 33.57 10.25 9.77 0.00 0.00 0.00 0.00 07:50:01 veth66d232a 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:50:01 vethd5e6cb1 28.34 27.66 11.28 6.63 0.00 0.00 0.00 0.00 07:50:01 veth6bcbf17 0.32 0.49 0.50 2.56 0.00 0.00 0.00 0.00 07:50:01 veth197bc84 1.45 1.19 0.20 1.25 0.00 0.00 0.00 0.00 08:00:13 lo 21.23 21.23 71.02 71.02 0.00 0.00 0.00 0.00 08:00:13 ens3 10.67 9.20 30.96 1.82 0.00 0.00 0.00 0.00 08:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:13 br-2495b1d39843 17.75 20.47 14.56 87.30 0.00 0.00 0.00 0.00 08:00:13 veth01bf8cf 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 08:00:13 vethae3de44 29.11 31.84 14.34 314.03 0.00 0.00 0.00 0.03 08:00:13 veth9e153e8 12.53 10.58 122.52 44.90 0.00 0.00 0.00 0.01 08:00:13 veth4437ec3 101.80 110.99 68.69 52.94 0.00 0.00 0.00 0.01 08:00:13 veth66d232a 19.10 21.28 228.47 122.94 0.00 0.00 0.00 0.02 08:00:13 vethd5e6cb1 71.21 64.90 89.71 36.92 0.00 0.00 0.00 0.01 08:00:13 veth197bc84 46.97 43.32 20.04 34.59 0.00 0.00 0.00 0.00 08:10:13 lo 35.13 35.13 166.58 166.58 0.00 0.00 0.00 0.00 08:10:13 ens3 0.96 0.63 0.29 0.60 0.00 0.00 0.00 0.00 08:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:13 br-2495b1d39843 29.10 29.63 34.63 133.58 0.00 0.00 0.00 0.00 08:10:13 veth01bf8cf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:13 vethae3de44 34.02 34.70 35.32 175.37 0.00 0.00 0.00 0.01 08:10:13 veth9e153e8 9.29 8.75 43.64 42.82 0.00 0.00 0.00 0.00 08:10:13 veth4437ec3 61.69 67.81 47.00 23.31 0.00 0.00 0.00 0.00 08:10:13 veth66d232a 9.75 9.98 43.32 43.18 0.00 0.00 0.00 0.00 08:10:13 vethd5e6cb1 41.98 39.37 52.22 21.81 0.00 0.00 0.00 0.00 08:10:13 veth197bc84 32.02 28.68 14.00 27.57 0.00 0.00 0.00 0.00 Average: lo 19.12 19.12 79.68 79.68 0.00 0.00 0.00 0.00 Average: ens3 53.37 35.83 616.62 10.09 0.00 0.00 0.00 0.00 Average: docker0 5.46 9.91 0.32 199.80 0.00 0.00 0.00 0.00 Average: br-2495b1d39843 15.83 16.92 16.49 74.19 0.00 0.00 0.00 0.00 Average: veth01bf8cf 0.04 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethae3de44 21.24 22.42 16.64 165.12 0.00 0.00 0.00 0.01 Average: veth9e153e8 7.48 6.64 56.18 29.59 0.00 0.00 0.00 0.00 Average: veth4437ec3 65.93 71.28 42.35 28.95 0.00 0.00 0.00 0.00 Average: veth66d232a 9.75 10.59 92.05 56.15 0.00 0.00 0.00 0.01 Average: vethd5e6cb1 47.45 44.22 51.57 21.98 0.00 0.00 0.00 0.00 Average: veth197bc84 27.10 24.67 11.54 21.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-145) 04/10/26 _x86_64_ (8 CPU) 07:33:11 LINUX RESTART (8 CPU) 07:40:13 CPU %user %nice %system %iowait %steal %idle 07:50:01 all 14.42 0.02 2.54 0.58 0.06 82.38 07:50:01 0 12.53 0.03 2.30 0.58 0.06 84.49 07:50:01 1 13.03 0.02 2.81 0.42 0.06 83.65 07:50:01 2 14.13 0.03 2.41 0.43 0.06 82.94 07:50:01 3 16.18 0.01 2.75 0.30 0.07 80.69 07:50:01 4 15.27 0.02 2.16 0.50 0.06 81.99 07:50:01 5 13.50 0.03 2.51 0.66 0.06 83.25 07:50:01 6 15.93 0.01 2.89 1.25 0.07 79.85 07:50:01 7 14.77 0.03 2.46 0.49 0.06 82.18 08:00:13 all 10.17 0.01 1.90 0.12 0.08 87.73 08:00:13 0 9.14 0.00 1.88 0.07 0.08 88.83 08:00:13 1 10.98 0.00 2.02 0.07 0.08 86.84 08:00:13 2 11.10 0.00 1.89 0.08 0.08 86.84 08:00:13 3 9.71 0.00 1.97 0.15 0.08 88.09 08:00:13 4 10.25 0.01 1.94 0.16 0.08 87.56 08:00:13 5 10.30 0.00 1.81 0.09 0.08 87.72 08:00:13 6 10.19 0.00 1.96 0.23 0.08 87.54 08:00:13 7 9.70 0.01 1.73 0.08 0.08 88.40 08:10:13 all 8.40 0.00 1.95 0.05 0.08 89.51 08:10:13 0 7.74 0.00 1.98 0.12 0.08 90.08 08:10:13 1 9.63 0.00 2.15 0.07 0.09 88.06 08:10:13 2 9.26 0.00 2.08 0.03 0.08 88.54 08:10:13 3 8.60 0.00 1.92 0.03 0.08 89.36 08:10:13 4 7.99 0.00 1.88 0.04 0.08 90.00 08:10:13 5 8.27 0.00 1.85 0.05 0.08 89.74 08:10:13 6 8.16 0.00 1.97 0.04 0.09 89.76 08:10:13 7 7.58 0.00 1.75 0.04 0.08 90.55 Average: all 10.97 0.01 2.12 0.25 0.08 86.57 Average: 0 9.78 0.01 2.05 0.25 0.07 87.83 Average: 1 11.20 0.01 2.32 0.19 0.08 86.20 Average: 2 11.48 0.01 2.12 0.18 0.08 86.13 Average: 3 11.45 0.01 2.21 0.16 0.08 86.10 Average: 4 11.14 0.01 2.00 0.23 0.08 86.55 Average: 5 10.67 0.01 2.05 0.26 0.08 86.93 Average: 6 11.39 0.00 2.27 0.50 0.08 85.76 Average: 7 10.65 0.01 1.98 0.20 0.07 87.09