---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4511 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 21G 135G 14% / 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 824 16696 4 14571 30800 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:84:c0:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.189/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84187sec preferred_lft 84187sec inet6 fe80::f816:3eff:fe84:c0f1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:f5:fc:17:ea:e9 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::a0f5:fcff:fe17:eae9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4511) 03/24/26 _x86_64_ (8 CPU) 13:35:30 LINUX RESTART (8 CPU) 13:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:16 4.10 0.40 3.47 0.23 391.94 391.34 299.89 14:00:01 52.33 4.20 32.47 15.66 233.03 5204.04 520790.81 14:10:01 215.04 0.69 206.17 8.19 50.27 44600.21 80216.99 Average: 90.01 1.73 80.39 7.89 226.55 16676.94 195949.18 13:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:16 29933204 31774708 609260 1.85 63476 2115208 1522888 4.49 317700 2320840 36 14:00:01 26905520 30200560 2113796 6.43 128052 3445540 2334408 6.88 648572 4924884 7180 14:10:01 13898240 27497420 4741832 14.43 394180 12743128 3116316 9.19 4201808 13500560 28 Average: 23578988 29824229 2488296 7.57 195236 6101292 2324537 6.85 1722693 6915428 2415 13:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:16 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 13:50:16 ens3 13.66 7.95 127.15 0.82 0.00 0.00 0.00 0.00 13:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 4.82 4.82 1.48 1.48 0.00 0.00 0.00 0.00 14:00:01 ens3 130.17 93.48 1382.31 21.22 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 1.42 1.42 0.77 0.77 0.00 0.00 0.00 0.00 14:10:01 ens3 129.86 99.63 2016.46 14.28 0.00 0.00 0.00 0.00 14:10:01 docker0 7.56 10.03 0.70 197.27 0.00 0.00 0.00 0.00 Average: lo 2.08 2.08 0.74 0.74 0.00 0.00 0.00 0.00 Average: ens3 90.19 66.26 1163.96 11.93 0.00 0.00 0.00 0.00 Average: docker0 2.52 3.34 0.23 65.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4511) 03/24/26 _x86_64_ (8 CPU) 13:35:30 LINUX RESTART (8 CPU) 13:40:00 CPU %user %nice %system %iowait %steal %idle 13:50:16 all 0.14 0.00 0.05 0.03 0.01 99.77 13:50:16 0 0.12 0.00 0.04 0.00 0.00 99.84 13:50:16 1 0.17 0.00 0.06 0.00 0.00 99.77 13:50:16 2 0.10 0.00 0.07 0.02 0.01 99.80 13:50:16 3 0.12 0.00 0.04 0.01 0.00 99.83 13:50:16 4 0.09 0.00 0.04 0.02 0.01 99.85 13:50:16 5 0.25 0.00 0.08 0.06 0.01 99.59 13:50:16 6 0.12 0.00 0.04 0.09 0.00 99.74 13:50:16 7 0.18 0.00 0.05 0.01 0.01 99.75 14:00:01 all 35.08 0.00 1.02 0.27 0.08 63.54 14:00:01 0 36.75 0.00 1.05 0.36 0.09 61.76 14:00:01 1 40.34 0.00 1.22 0.07 0.09 58.27 14:00:01 2 36.72 0.00 1.13 0.31 0.09 61.75 14:00:01 3 28.24 0.00 0.86 0.47 0.07 70.35 14:00:01 4 33.51 0.00 0.96 0.06 0.08 65.39 14:00:01 5 34.37 0.00 0.83 0.35 0.09 64.37 14:00:01 6 37.01 0.00 1.08 0.55 0.09 61.28 14:00:01 7 33.76 0.00 1.03 0.02 0.08 65.11 14:10:01 all 18.18 0.00 2.71 0.51 0.07 78.53 14:10:01 0 20.35 0.00 3.28 0.60 0.07 75.70 14:10:01 1 17.55 0.00 2.90 0.49 0.07 78.99 14:10:01 2 21.55 0.00 2.99 0.38 0.08 75.01 14:10:01 3 12.41 0.00 1.75 0.54 0.05 85.24 14:10:01 4 16.44 0.00 2.55 0.23 0.06 80.72 14:10:01 5 20.78 0.00 2.96 0.84 0.07 75.35 14:10:01 6 17.54 0.00 3.18 0.49 0.06 78.74 14:10:01 7 18.89 0.00 2.07 0.52 0.06 78.46 Average: all 17.49 0.00 1.25 0.27 0.05 80.94 Average: 0 18.73 0.00 1.44 0.32 0.05 79.45 Average: 1 19.00 0.00 1.38 0.19 0.06 79.38 Average: 2 19.12 0.00 1.38 0.24 0.06 79.20 Average: 3 13.36 0.00 0.87 0.34 0.04 85.39 Average: 4 16.38 0.00 1.17 0.10 0.05 82.30 Average: 5 18.15 0.00 1.28 0.41 0.06 80.10 Average: 6 17.89 0.00 1.42 0.37 0.05 80.27 Average: 7 17.33 0.00 1.04 0.18 0.05 81.40