---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5256 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 855 9192 4 22044 30769 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:fe:48:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.254/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83771sec preferred_lft 83771sec inet6 fe80::f816:3eff:fefe:4864/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:47:58:d2:41:99 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::3c47:58ff:fed2:4199/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-5256) 07/04/26 _x86_64_ (8 CPU) 22:42:23 LINUX RESTART (8 CPU) 22:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:02 1.46 0.19 1.24 0.02 1.56 15.66 9.57 23:10:02 194.70 3.26 183.05 8.39 269.27 26166.67 121833.40 23:20:01 361.63 0.78 353.73 7.11 11.59 71879.94 366070.73 Average: 185.69 1.41 179.11 5.17 94.15 32639.71 162394.38 22:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:02 30127264 31775152 612960 1.87 59636 1927016 1516160 4.47 180516 2263156 160 23:10:02 24118976 31167020 1123160 3.42 237296 6886848 1646684 4.86 2129424 5942868 204 23:20:01 9263516 30521804 1697464 5.17 519024 20088008 2319676 6.84 8811636 13361208 251228 Average: 21169919 31154659 1144528 3.48 271985 9633957 1827507 5.39 3707192 7189077 83864 22:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:00:02 ens3 0.49 0.29 0.18 0.34 0.00 0.00 0.00 0.00 23:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:02 lo 0.83 0.83 0.09 0.09 0.00 0.00 0.00 0.00 23:10:02 ens3 189.21 117.14 2148.80 1006.10 0.00 0.00 0.00 0.00 23:10:02 docker0 14.83 42.34 0.96 816.88 0.00 0.00 0.00 0.00 23:20:01 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 23:20:01 ens3 157.18 109.41 1646.38 2751.03 0.00 0.00 0.00 0.00 23:20:01 docker0 30.88 49.13 2.34 873.94 0.00 0.00 0.00 0.00 23:20:01 vethfe61372 23.17 34.13 1.70 667.69 0.00 0.00 0.00 0.05 Average: lo 0.45 0.45 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 115.53 75.54 1264.09 1250.66 0.00 0.00 0.00 0.00 Average: docker0 15.22 30.46 1.10 563.05 0.00 0.00 0.00 0.00 Average: vethfe61372 7.71 11.36 0.57 222.11 0.00 0.00 0.00 0.02 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-5256) 07/04/26 _x86_64_ (8 CPU) 22:42:23 LINUX RESTART (8 CPU) 22:50:00 CPU %user %nice %system %iowait %steal %idle 23:00:02 all 0.03 0.00 0.03 0.00 0.02 99.92 23:00:02 0 0.02 0.00 0.02 0.00 0.00 99.96 23:00:02 1 0.02 0.00 0.01 0.00 0.02 99.95 23:00:02 2 0.03 0.00 0.02 0.00 0.01 99.94 23:00:02 3 0.02 0.00 0.05 0.00 0.04 99.90 23:00:02 4 0.02 0.00 0.00 0.00 0.01 99.97 23:00:02 5 0.03 0.00 0.03 0.03 0.01 99.89 23:00:02 6 0.04 0.00 0.01 0.00 0.00 99.94 23:00:02 7 0.03 0.00 0.06 0.00 0.04 99.86 23:10:02 all 6.60 0.00 1.79 0.63 0.04 90.94 23:10:02 0 8.26 0.00 1.80 0.59 0.05 89.31 23:10:02 1 6.22 0.00 1.85 0.34 0.05 91.54 23:10:02 2 6.87 0.00 1.54 0.32 0.04 91.24 23:10:02 3 5.89 0.00 1.95 1.32 0.07 90.77 23:10:02 4 5.71 0.00 1.84 0.81 0.04 91.60 23:10:02 5 6.42 0.00 1.67 0.31 0.03 91.57 23:10:02 6 6.38 0.00 1.80 0.27 0.04 91.52 23:10:02 7 7.02 0.00 1.89 1.10 0.04 89.96 23:20:01 all 10.51 0.00 3.61 0.96 0.06 84.87 23:20:01 0 9.17 0.00 3.47 0.82 0.06 86.49 23:20:01 1 11.21 0.00 3.57 0.74 0.06 84.43 23:20:01 2 10.61 0.00 3.92 0.88 0.06 84.54 23:20:01 3 9.81 0.00 3.87 0.98 0.05 85.29 23:20:01 4 12.79 0.00 3.98 0.92 0.06 82.25 23:20:01 5 10.16 0.00 3.87 1.01 0.06 84.91 23:20:01 6 10.05 0.00 3.13 1.65 0.05 85.12 23:20:01 7 10.28 0.00 3.11 0.66 0.05 85.90 Average: all 5.69 0.00 1.80 0.53 0.04 91.94 Average: 0 5.80 0.00 1.76 0.47 0.04 91.94 Average: 1 5.80 0.00 1.80 0.36 0.04 92.00 Average: 2 5.82 0.00 1.82 0.40 0.04 91.93 Average: 3 5.22 0.00 1.95 0.76 0.05 92.02 Average: 4 6.15 0.00 1.93 0.58 0.04 91.31 Average: 5 5.51 0.00 1.85 0.45 0.04 92.15 Average: 6 5.47 0.00 1.64 0.64 0.03 92.22 Average: 7 5.76 0.00 1.68 0.59 0.04 91.93