---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4341 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 1043 14195 4 16853 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:c4:3d:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.108/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83840sec preferred_lft 83840sec inet6 fe80::f816:3eff:fec4:3de1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:fc:af:95:d6:31 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::40fc:afff:fe95:d631/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4341) 04/07/26 _x86_64_ (8 CPU) 08:14:59 LINUX RESTART (8 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:00 305.90 0.52 294.18 11.20 25.02 49201.25 66987.20 08:40:00 52.49 0.41 25.03 27.05 15.57 3862.13 462519.74 08:50:00 11.47 0.06 10.97 0.43 1.55 2502.66 923.29 Average: 123.27 0.33 110.05 12.89 14.05 18520.22 176815.20 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:00 2003848 21213132 10941912 33.30 592116 17749696 16657232 49.12 4688996 22488340 780 08:40:00 395016 18835464 13174256 40.09 576336 17135008 19623216 57.87 4766840 23996548 17888 08:50:00 286564 18406240 13584860 41.34 576528 16839244 19900696 58.68 4726436 24140880 9588 Average: 895143 19484945 12567009 38.24 581660 17241316 18727048 55.22 4727424 23541923 9419 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:00 lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 08:30:00 ens3 310.58 192.37 2474.92 62.69 0.00 0.00 0.00 0.00 08:30:00 docker0 17.65 31.31 1.03 676.90 0.00 0.00 0.00 0.00 08:30:00 br-14546dcc1ffc 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 08:30:00 veth440b7e4 8.85 9.24 5.02 1.63 0.00 0.00 0.00 0.00 08:30:00 vetha843f9c 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:30:00 veth90962da 0.02 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:30:00 veth45af67f 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:30:00 veth35948b3 0.32 0.35 0.03 0.13 0.00 0.00 0.00 0.00 08:30:00 veth465f19d 3.66 3.31 0.59 1.22 0.00 0.00 0.00 0.00 08:30:00 vethb403582 0.09 0.17 0.03 0.04 0.00 0.00 0.00 0.00 08:30:00 veth1c63c11 1.02 0.85 0.14 0.97 0.00 0.00 0.00 0.00 08:40:00 lo 16.31 16.31 45.18 45.18 0.00 0.00 0.00 0.00 08:40:00 ens3 11.46 9.54 31.76 1.98 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 br-14546dcc1ffc 15.10 17.66 8.72 67.89 0.00 0.00 0.00 0.00 08:40:00 veth440b7e4 121.57 129.60 76.27 60.21 0.00 0.00 0.00 0.01 08:40:00 vetha843f9c 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 08:40:00 veth90962da 25.44 28.27 8.75 279.46 0.00 0.00 0.00 0.02 08:40:00 veth45af67f 17.86 19.19 213.15 105.56 0.00 0.00 0.00 0.02 08:40:00 veth35948b3 10.95 9.36 105.12 26.85 0.00 0.00 0.00 0.01 08:40:00 veth465f19d 87.93 82.78 80.86 39.87 0.00 0.00 0.00 0.01 08:40:00 veth1c63c11 48.23 44.70 20.36 39.38 0.00 0.00 0.00 0.00 08:50:00 lo 38.88 38.88 185.29 185.29 0.00 0.00 0.00 0.00 08:50:00 ens3 0.98 0.78 0.27 0.57 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 br-14546dcc1ffc 25.48 26.80 37.61 148.76 0.00 0.00 0.00 0.00 08:50:00 veth440b7e4 68.08 74.38 57.39 24.70 0.00 0.00 0.00 0.00 08:50:00 vetha843f9c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 veth90962da 30.98 32.56 37.72 201.52 0.00 0.00 0.00 0.02 08:50:00 veth45af67f 11.13 11.56 54.46 54.32 0.00 0.00 0.00 0.00 08:50:00 veth35948b3 10.64 9.80 54.80 53.18 0.00 0.00 0.00 0.00 08:50:00 veth465f19d 46.60 43.52 64.19 23.80 0.00 0.00 0.00 0.01 08:50:00 veth1c63c11 34.72 31.66 14.40 36.25 0.00 0.00 0.00 0.00 Average: lo 18.62 18.62 76.86 76.86 0.00 0.00 0.00 0.00 Average: ens3 107.66 67.55 835.55 21.74 0.00 0.00 0.00 0.00 Average: docker0 5.88 10.44 0.34 225.61 0.00 0.00 0.00 0.00 Average: br-14546dcc1ffc 13.62 14.91 15.45 72.23 0.00 0.00 0.00 0.00 Average: veth440b7e4 66.17 71.08 46.23 28.85 0.00 0.00 0.00 0.00 Average: vetha843f9c 0.04 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth90962da 18.81 20.31 15.49 160.34 0.00 0.00 0.00 0.01 Average: veth45af67f 9.68 10.29 89.21 53.30 0.00 0.00 0.00 0.01 Average: veth35948b3 7.31 6.51 53.32 26.72 0.00 0.00 0.00 0.00 Average: veth465f19d 46.06 43.21 48.55 21.63 0.00 0.00 0.00 0.00 Average: veth1c63c11 27.99 25.74 11.63 25.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4341) 04/07/26 _x86_64_ (8 CPU) 08:14:59 LINUX RESTART (8 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:00 all 24.29 0.02 3.22 0.79 0.08 71.60 08:30:00 0 22.84 0.02 3.43 0.83 0.07 72.81 08:30:00 1 26.23 0.02 3.26 0.98 0.08 69.44 08:30:00 2 24.51 0.02 3.30 0.61 0.08 71.49 08:30:00 3 26.15 0.01 3.46 1.24 0.08 69.07 08:30:00 4 21.61 0.04 3.23 0.73 0.08 74.31 08:30:00 5 24.91 0.02 2.94 0.78 0.08 71.28 08:30:00 6 24.50 0.02 2.95 0.43 0.08 72.02 08:30:00 7 23.58 0.03 3.17 0.76 0.07 72.40 08:40:00 all 10.33 0.00 1.69 0.14 0.08 87.75 08:40:00 0 10.07 0.01 1.69 0.07 0.08 88.08 08:40:00 1 10.86 0.01 1.71 0.12 0.08 87.23 08:40:00 2 10.40 0.00 1.76 0.07 0.07 87.70 08:40:00 3 9.82 0.01 1.63 0.05 0.08 88.42 08:40:00 4 10.47 0.01 1.58 0.30 0.08 87.56 08:40:00 5 10.75 0.01 1.77 0.23 0.08 87.16 08:40:00 6 10.42 0.00 1.68 0.14 0.08 87.68 08:40:00 7 9.89 0.00 1.66 0.16 0.08 88.20 08:50:00 all 7.95 0.00 1.93 0.21 0.09 89.82 08:50:00 0 7.43 0.00 2.02 0.05 0.09 90.41 08:50:00 1 8.77 0.00 2.05 0.03 0.09 89.06 08:50:00 2 8.42 0.00 2.04 0.05 0.09 89.40 08:50:00 3 7.87 0.00 1.92 0.32 0.09 89.80 08:50:00 4 7.41 0.00 1.87 0.04 0.08 90.60 08:50:00 5 8.43 0.00 1.90 0.06 0.09 89.52 08:50:00 6 7.46 0.00 1.75 0.98 0.09 89.71 08:50:00 7 7.80 0.00 1.91 0.19 0.09 90.01 Average: all 14.19 0.01 2.28 0.38 0.08 83.05 Average: 0 13.45 0.01 2.38 0.32 0.08 83.77 Average: 1 15.30 0.01 2.34 0.38 0.08 81.89 Average: 2 14.44 0.01 2.37 0.24 0.08 82.87 Average: 3 14.62 0.00 2.34 0.53 0.08 82.43 Average: 4 13.17 0.02 2.23 0.36 0.08 84.15 Average: 5 14.70 0.01 2.20 0.36 0.08 82.65 Average: 6 14.12 0.01 2.13 0.52 0.08 83.14 Average: 7 13.76 0.01 2.25 0.37 0.08 83.53