---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-53554 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 11G 145G 7% / 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 734 26627 4 4730 30890 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:d8:ec:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84347sec preferred_lft 84347sec inet6 fe80::f816:3eff:fed8:ecd9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:41:d5:4b:25:f6 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-53554) 03/27/26 _x86_64_ (8 CPU) 14:26:43 LINUX RESTART (8 CPU) 14:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:01 3.15 0.04 3.09 0.01 1.84 11276.79 224.02 14:50:19 18.54 1.29 16.87 0.38 93.27 1330.57 681.19 15:00:19 43.93 2.32 39.84 1.77 135.99 10565.04 9395.86 Average: 22.02 1.23 20.07 0.72 77.96 7622.12 3437.11 14:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:01 30238004 31872320 514564 1.57 60416 1911912 1477604 4.36 199948 2131368 12 14:50:19 29473636 31545836 812932 2.47 94080 2292400 1556384 4.59 306124 2745664 76804 15:00:19 27256000 31608868 696832 2.12 222656 4299612 1198852 3.54 634748 4431172 24060 Average: 28989213 31675675 674776 2.05 125717 2834641 1410947 4.16 380273 3102735 33625 14:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:40:01 ens3 0.39 0.16 0.12 0.06 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:19 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 14:50:19 ens3 27.93 20.78 203.18 5.13 0.00 0.00 0.00 0.00 14:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:19 lo 0.71 0.71 0.08 0.08 0.00 0.00 0.00 0.00 15:00:19 ens3 200.86 164.92 786.95 46.36 0.00 0.00 0.00 0.00 15:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 76.65 62.14 332.06 17.23 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-53554) 03/27/26 _x86_64_ (8 CPU) 14:26:43 LINUX RESTART (8 CPU) 14:30:19 CPU %user %nice %system %iowait %steal %idle 14:40:01 all 0.09 0.00 0.02 0.34 0.01 99.55 14:40:01 0 0.02 0.00 0.01 0.02 0.01 99.94 14:40:01 1 0.21 0.00 0.03 0.01 0.02 99.73 14:40:01 2 0.39 0.00 0.02 0.00 0.01 99.58 14:40:01 3 0.02 0.00 0.02 0.19 0.01 99.77 14:40:01 4 0.03 0.00 0.02 0.01 0.01 99.94 14:40:01 5 0.01 0.00 0.02 0.09 0.00 99.87 14:40:01 6 0.00 0.00 0.00 0.14 0.00 99.85 14:40:01 7 0.00 0.00 0.01 2.27 0.01 97.71 14:50:19 all 1.05 0.00 0.12 1.57 0.01 97.24 14:50:19 0 0.82 0.00 0.10 0.71 0.01 98.37 14:50:19 1 0.31 0.00 0.10 0.50 0.02 99.08 14:50:19 2 2.59 0.00 0.20 1.04 0.02 96.15 14:50:19 3 1.18 0.00 0.17 2.02 0.01 96.63 14:50:19 4 0.51 0.00 0.07 0.29 0.01 99.13 14:50:19 5 2.27 0.00 0.20 0.22 0.01 97.30 14:50:19 6 0.56 0.00 0.11 0.36 0.00 98.97 14:50:19 7 0.13 0.00 0.06 7.47 0.01 92.33 15:00:19 all 25.58 0.00 1.20 3.04 0.10 70.09 15:00:19 0 27.76 0.00 1.76 1.04 0.10 69.34 15:00:19 1 18.81 0.00 1.05 3.06 0.08 77.00 15:00:19 2 27.80 0.00 1.32 10.95 0.10 59.83 15:00:19 3 25.71 0.00 0.91 1.04 0.10 72.25 15:00:19 4 32.04 0.00 1.42 1.32 0.11 65.11 15:00:19 5 22.57 0.00 0.99 0.70 0.10 75.64 15:00:19 6 27.14 0.00 1.44 4.43 0.09 66.90 15:00:19 7 22.80 0.00 0.71 1.80 0.09 74.60 Average: all 8.89 0.00 0.45 1.66 0.04 88.97 Average: 0 9.52 0.00 0.62 0.60 0.04 89.22 Average: 1 6.43 0.00 0.39 1.19 0.04 91.94 Average: 2 10.24 0.00 0.51 3.99 0.04 85.21 Average: 3 8.96 0.00 0.37 1.10 0.04 89.54 Average: 4 10.83 0.00 0.50 0.54 0.04 88.09 Average: 5 8.28 0.00 0.40 0.33 0.04 90.94 Average: 6 9.21 0.00 0.51 1.64 0.03 88.61 Average: 7 7.63 0.00 0.26 3.90 0.04 88.18