---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3030 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 12G 144G 8% / 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 901 24723 4 6467 30722 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:1a:ea:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83988sec preferred_lft 83988sec inet6 fe80::f816:3eff:fe1a:ea4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:19:66:05:91:18 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3030) 04/15/26 _x86_64_ (8 CPU) 12:59:28 LINUX RESTART (8 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 73.58 5.71 50.48 17.39 801.70 6689.40 523542.01 13:20:01 27.26 0.15 23.49 3.61 5.73 2223.81 11128.17 13:30:00 34.05 0.00 29.82 4.22 0.04 3343.11 12125.85 Average: 44.98 1.96 34.61 8.42 269.63 4086.94 182564.29 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 25887352 29328580 2982780 9.08 148352 3545684 3282792 9.68 783288 5751256 20428 13:20:01 25417936 29259992 3047012 9.27 177592 3878140 3160600 9.32 889388 6083860 19312 13:30:00 24669044 29168608 3133048 9.53 217424 4439868 3188644 9.40 1052540 6610580 13804 Average: 25324777 29252393 3054280 9.29 181123 3954564 3210679 9.47 908405 6148565 17848 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 862.54 862.54 821.60 821.60 0.00 0.00 0.00 0.00 13:10:01 ens3 158.87 116.84 1236.99 25.43 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 1696.06 1696.06 1615.35 1615.35 0.00 0.00 0.00 0.00 13:20:01 ens3 41.56 28.73 17.24 12.41 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 lo 1697.62 1697.62 1616.63 1616.63 0.00 0.00 0.00 0.00 13:30:00 ens3 57.57 37.53 20.14 15.70 0.00 0.00 0.00 0.00 13:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1418.25 1418.25 1350.73 1350.73 0.00 0.00 0.00 0.00 Average: ens3 86.05 61.08 425.50 17.85 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3030) 04/15/26 _x86_64_ (8 CPU) 12:59:28 LINUX RESTART (8 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 27.90 0.00 1.42 0.20 0.06 70.43 13:10:01 0 29.71 0.00 1.59 0.18 0.06 68.47 13:10:01 1 31.16 0.00 1.17 0.05 0.06 67.57 13:10:01 2 27.98 0.00 1.41 0.19 0.06 70.37 13:10:01 3 25.66 0.00 1.47 0.09 0.05 72.72 13:10:01 4 26.92 0.00 1.48 0.40 0.05 71.15 13:10:01 5 22.59 0.00 1.36 0.37 0.05 75.62 13:10:01 6 27.76 0.00 1.24 0.11 0.06 70.84 13:10:01 7 31.43 0.00 1.61 0.22 0.05 66.69 13:20:01 all 31.82 0.00 1.55 0.96 0.07 65.61 13:20:01 0 33.04 0.00 1.54 1.04 0.07 64.31 13:20:01 1 28.50 0.00 1.43 2.24 0.07 67.77 13:20:01 2 30.81 0.00 1.59 0.32 0.07 67.21 13:20:01 3 33.43 0.00 1.48 0.69 0.06 64.34 13:20:01 4 32.14 0.00 1.55 0.34 0.07 65.91 13:20:01 5 33.29 0.00 1.64 2.36 0.07 62.65 13:20:01 6 31.28 0.00 1.42 0.29 0.06 66.96 13:20:01 7 32.08 0.00 1.73 0.41 0.07 65.71 13:30:00 all 37.45 0.00 1.74 0.24 0.08 60.49 13:30:00 0 38.83 0.00 1.71 0.26 0.08 59.12 13:30:00 1 38.44 0.00 2.11 0.09 0.08 59.29 13:30:00 2 35.30 0.00 1.84 0.11 0.08 62.68 13:30:00 3 37.50 0.00 1.51 0.10 0.08 60.81 13:30:00 4 38.34 0.00 1.47 0.43 0.08 59.68 13:30:00 5 42.24 0.00 2.12 0.20 0.07 55.37 13:30:00 6 32.78 0.00 1.51 0.14 0.08 65.49 13:30:00 7 36.20 0.00 1.67 0.59 0.07 61.47 Average: all 32.38 0.00 1.57 0.47 0.07 65.52 Average: 0 33.85 0.00 1.61 0.49 0.07 63.97 Average: 1 32.68 0.00 1.57 0.79 0.07 64.89 Average: 2 31.36 0.00 1.61 0.21 0.07 66.76 Average: 3 32.18 0.00 1.49 0.29 0.06 65.97 Average: 4 32.46 0.00 1.50 0.39 0.07 65.59 Average: 5 32.68 0.00 1.71 0.98 0.06 64.57 Average: 6 30.60 0.00 1.39 0.18 0.07 67.76 Average: 7 33.23 0.00 1.67 0.40 0.06 64.63