---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4284 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 1042 13797 3 17252 30581 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:8e:17:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.199/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83800sec preferred_lft 83800sec inet6 fe80::f816:3eff:fe8e:1701/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:b3:64:c8:82:98 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::98b3:64ff:fec8:8298/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4284) 04/07/26 _x86_64_ (8 CPU) 05:26:09 LINUX RESTART (8 CPU) 05:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:13 485.54 0.47 471.82 13.25 32.28 54134.94 84170.04 05:50:14 23.58 0.38 21.27 1.93 9.60 2648.35 6668.41 06:00:00 14.95 0.06 14.00 0.89 2.33 2984.93 3640.09 Average: 176.22 0.31 170.52 5.40 14.85 20086.18 31758.75 05:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:13 2675056 21884672 10271344 31.26 591984 17751404 16604600 48.97 4670800 21843432 208 05:50:14 301832 19452108 12603800 38.35 579916 17784868 18728544 55.23 4871984 23980384 52808 06:00:00 301580 18992548 13067696 39.76 574356 17334760 19082740 56.27 4757220 24073512 12108 Average: 1092823 20109776 11980947 36.46 582085 17623677 18138628 53.49 4766668 23299109 21708 05:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:13 lo 0.76 0.76 0.08 0.08 0.00 0.00 0.00 0.00 05:40:13 ens3 317.63 211.77 2546.33 63.53 0.00 0.00 0.00 0.00 05:40:13 docker0 22.54 38.31 1.29 682.36 0.00 0.00 0.00 0.00 05:40:13 br-c9096f8f6158 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 05:40:13 veth67df703 0.20 0.25 0.02 0.02 0.00 0.00 0.00 0.00 05:40:13 veth971dc47 6.97 6.90 4.63 1.33 0.00 0.00 0.00 0.00 05:40:13 veth9dcfcc2 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:40:13 veth50df226 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 05:40:13 veth34f621f 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:40:13 vethd21d945 1.38 1.38 0.15 0.97 0.00 0.00 0.00 0.00 05:40:13 vetha1848c4 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 05:40:13 vethe576bfe 0.70 0.63 0.09 0.75 0.00 0.00 0.00 0.00 05:50:14 lo 12.97 12.97 33.95 33.95 0.00 0.00 0.00 0.00 05:50:14 ens3 8.41 7.36 24.67 1.54 0.00 0.00 0.00 0.00 05:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:14 br-c9096f8f6158 11.94 13.99 6.49 51.82 0.00 0.00 0.00 0.00 05:50:14 veth67df703 8.66 7.19 82.44 24.14 0.00 0.00 0.00 0.01 05:50:14 veth971dc47 111.77 120.14 63.62 55.55 0.00 0.00 0.00 0.01 05:50:14 veth9dcfcc2 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 05:50:14 veth50df226 19.64 21.72 6.09 216.96 0.00 0.00 0.00 0.02 05:50:14 veth34f621f 13.29 14.72 166.30 82.78 0.00 0.00 0.00 0.01 05:50:14 vethd21d945 88.57 82.49 78.66 39.55 0.00 0.00 0.00 0.01 05:50:14 vethe576bfe 37.77 34.82 15.63 26.79 0.00 0.00 0.00 0.00 06:00:00 lo 38.88 38.88 183.31 183.31 0.00 0.00 0.00 0.00 06:00:00 ens3 3.22 2.58 7.31 0.94 0.00 0.00 0.00 0.00 06:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:00 br-c9096f8f6158 23.68 26.32 36.62 154.53 0.00 0.00 0.00 0.00 06:00:00 veth67df703 11.94 10.88 67.65 45.75 0.00 0.00 0.00 0.01 06:00:00 veth971dc47 74.27 81.34 57.31 29.42 0.00 0.00 0.00 0.00 06:00:00 veth9dcfcc2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:00 veth50df226 30.87 33.51 37.26 244.35 0.00 0.00 0.00 0.02 06:00:00 veth34f621f 13.61 14.53 91.85 67.25 0.00 0.00 0.00 0.01 06:00:00 vethd21d945 45.86 42.95 56.25 23.69 0.00 0.00 0.00 0.00 06:00:00 vethe576bfe 42.36 38.37 19.06 36.51 0.00 0.00 0.00 0.00 Average: lo 17.35 17.35 71.50 71.50 0.00 0.00 0.00 0.00 Average: ens3 110.77 74.59 867.63 22.21 0.00 0.00 0.00 0.00 Average: docker0 7.59 12.89 0.44 229.64 0.00 0.00 0.00 0.00 Average: br-c9096f8f6158 11.87 13.41 14.18 68.05 0.00 0.00 0.00 0.00 Average: veth67df703 6.89 6.06 49.85 23.10 0.00 0.00 0.00 0.00 Average: veth971dc47 64.21 69.32 41.70 28.74 0.00 0.00 0.00 0.00 Average: veth9dcfcc2 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth50df226 16.72 18.31 14.26 152.92 0.00 0.00 0.00 0.01 Average: veth34f621f 8.93 9.75 85.94 49.83 0.00 0.00 0.00 0.01 Average: vethd21d945 45.23 42.24 44.90 21.37 0.00 0.00 0.00 0.00 Average: vethe576bfe 26.80 24.48 11.52 21.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4284) 04/07/26 _x86_64_ (8 CPU) 05:26:09 LINUX RESTART (8 CPU) 05:30:11 CPU %user %nice %system %iowait %steal %idle 05:40:13 all 30.21 0.02 3.79 0.90 0.08 65.00 05:40:13 0 29.80 0.01 3.64 0.63 0.08 65.82 05:40:13 1 30.50 0.04 4.29 1.10 0.08 64.00 05:40:13 2 29.86 0.03 3.97 1.01 0.09 65.04 05:40:13 3 30.40 0.01 3.82 1.21 0.08 64.47 05:40:13 4 29.08 0.01 3.61 0.89 0.08 66.32 05:40:13 5 32.79 0.02 3.92 0.76 0.09 62.43 05:40:13 6 29.21 0.02 3.54 0.64 0.08 66.52 05:40:13 7 30.07 0.01 3.50 0.95 0.08 65.39 05:50:14 all 10.17 0.00 1.52 0.10 0.08 88.12 05:50:14 0 9.31 0.01 1.55 0.09 0.08 88.96 05:50:14 1 10.46 0.00 1.70 0.04 0.08 87.72 05:50:14 2 10.50 0.00 1.71 0.16 0.09 87.55 05:50:14 3 10.75 0.00 1.44 0.06 0.08 87.67 05:50:14 4 10.25 0.00 1.48 0.04 0.08 88.16 05:50:14 5 9.75 0.01 1.44 0.04 0.08 88.69 05:50:14 6 9.90 0.01 1.43 0.16 0.07 88.43 05:50:14 7 10.48 0.01 1.45 0.20 0.08 87.78 06:00:00 all 8.52 0.00 2.00 0.07 0.09 89.32 06:00:00 0 8.16 0.00 2.12 0.07 0.09 89.57 06:00:00 1 9.57 0.00 2.15 0.12 0.09 88.06 06:00:00 2 9.09 0.00 2.07 0.06 0.09 88.69 06:00:00 3 8.97 0.01 1.92 0.07 0.09 88.95 06:00:00 4 8.39 0.00 1.85 0.04 0.08 89.64 06:00:00 5 8.02 0.01 1.93 0.08 0.08 89.89 06:00:00 6 7.51 0.00 2.01 0.04 0.09 90.35 06:00:00 7 8.48 0.00 1.93 0.08 0.09 89.43 Average: all 16.38 0.01 2.44 0.36 0.08 80.73 Average: 0 15.82 0.01 2.44 0.26 0.08 81.38 Average: 1 16.91 0.01 2.72 0.42 0.08 79.85 Average: 2 16.55 0.01 2.59 0.41 0.09 80.35 Average: 3 16.79 0.01 2.40 0.45 0.08 80.28 Average: 4 15.96 0.00 2.32 0.32 0.08 81.31 Average: 5 16.94 0.01 2.43 0.29 0.08 80.24 Average: 6 15.63 0.01 2.33 0.28 0.08 81.67 Average: 7 16.42 0.01 2.30 0.41 0.08 80.78