---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3613 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 699 28226 4 3166 30940 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:b9:7c:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.189/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84887sec preferred_lft 84887sec inet6 fe80::f816:3eff:feb9:7cad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:ab:f9:3b:fb:1b 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-3613) 04/20/26 _x86_64_ (8 CPU) 12:15:59 LINUX RESTART (8 CPU) 12:20:40 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:09 3.16 0.26 2.73 0.18 219.28 293.82 928.55 12:40:22 44.56 3.14 40.57 0.84 226.92 1698.40 774.47 Average: 24.63 1.76 22.35 0.52 223.24 1022.04 848.66 12:20:40 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:09 30014716 31770680 614148 1.87 62188 2031400 1530504 4.51 248028 2310356 260 12:40:22 28835112 31415440 925424 2.82 109256 2770688 1475252 4.35 392280 3252980 370992 Average: 29424914 31593060 769786 2.34 85722 2401044 1502878 4.43 320154 2781668 185626 12:20:40 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:09 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:30:09 ens3 5.59 3.49 62.61 0.54 0.00 0.00 0.00 0.00 12:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:22 lo 0.40 0.40 0.07 0.07 0.00 0.00 0.00 0.00 12:40:22 ens3 54.26 39.76 471.91 10.04 0.00 0.00 0.00 0.00 12:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.27 0.27 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 30.82 22.30 274.82 5.47 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-3613) 04/20/26 _x86_64_ (8 CPU) 12:15:59 LINUX RESTART (8 CPU) 12:20:40 CPU %user %nice %system %iowait %steal %idle 12:30:09 all 0.13 0.00 0.03 0.02 0.01 99.81 12:30:09 0 0.04 0.00 0.01 0.00 0.01 99.94 12:30:09 1 0.06 0.00 0.04 0.05 0.01 99.84 12:30:09 2 0.07 0.00 0.08 0.01 0.03 99.81 12:30:09 3 0.59 0.00 0.02 0.00 0.01 99.37 12:30:09 4 0.08 0.00 0.03 0.01 0.00 99.88 12:30:09 5 0.08 0.00 0.04 0.00 0.01 99.87 12:30:09 6 0.03 0.00 0.04 0.02 0.01 99.90 12:30:09 7 0.07 0.00 0.02 0.08 0.00 99.83 12:40:22 all 2.36 0.00 0.22 0.12 0.02 97.28 12:40:22 0 1.35 0.00 0.08 0.00 0.01 98.55 12:40:22 1 3.52 0.00 0.35 0.28 0.02 95.82 12:40:22 2 3.60 0.00 0.34 0.14 0.03 95.89 12:40:22 3 2.41 0.00 0.26 0.31 0.02 97.01 12:40:22 4 2.53 0.00 0.21 0.19 0.01 97.05 12:40:22 5 2.50 0.00 0.16 0.03 0.01 97.29 12:40:22 6 2.01 0.00 0.19 0.02 0.01 97.76 12:40:22 7 0.92 0.00 0.16 0.02 0.01 98.88 Average: all 1.28 0.00 0.13 0.07 0.01 98.50 Average: 0 0.72 0.00 0.05 0.00 0.01 99.22 Average: 1 1.86 0.00 0.20 0.17 0.01 97.76 Average: 2 1.91 0.00 0.21 0.08 0.03 97.78 Average: 3 1.54 0.00 0.14 0.16 0.01 98.15 Average: 4 1.35 0.00 0.13 0.10 0.01 98.42 Average: 5 1.33 0.00 0.10 0.02 0.01 98.54 Average: 6 1.06 0.00 0.11 0.02 0.01 98.79 Average: 7 0.51 0.00 0.09 0.05 0.01 99.34