---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3436 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 18G 138G 12% / 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 762 19841 4 11488 30862 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:2a:7f:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.90/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84131sec preferred_lft 84131sec inet6 fe80::f816:3eff:fe2a:7f35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:93:80:5f:67:ee 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-3436) 03/20/26 _x86_64_ (8 CPU) 09:01:01 LINUX RESTART (8 CPU) 09:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:10 34.37 0.58 14.01 19.78 13.85 4169.95 483483.34 09:30:00 10.89 0.05 9.64 1.21 5.97 2978.17 3562.74 Average: 22.82 0.32 11.86 10.64 9.97 3583.65 247386.62 09:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:10 16575328 25161724 7083220 21.55 468680 7667872 10947024 32.28 1487892 13596536 2040 09:30:00 19160948 28559692 3684416 11.21 474500 8444316 7459716 22.00 1569716 10907252 2448 Average: 17868138 26860708 5383818 16.38 471590 8056094 9203370 27.14 1528804 12251894 2244 09:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:10 lo 5.39 5.39 1.70 1.70 0.00 0.00 0.00 0.00 09:20:10 ens3 206.73 136.24 314.62 63.80 0.00 0.00 0.00 0.00 09:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 lo 2.65 2.65 0.30 0.30 0.00 0.00 0.00 0.00 09:30:00 ens3 90.66 55.25 99.23 28.71 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.04 4.04 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 149.63 96.39 208.66 46.54 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-3436) 03/20/26 _x86_64_ (8 CPU) 09:01:01 LINUX RESTART (8 CPU) 09:10:01 CPU %user %nice %system %iowait %steal %idle 09:20:10 all 82.54 0.00 2.73 0.01 0.11 14.60 09:20:10 0 81.88 0.00 2.69 0.01 0.11 15.31 09:20:10 1 79.34 0.00 2.69 0.00 0.11 17.87 09:20:10 2 87.41 0.00 2.97 0.01 0.12 9.50 09:20:10 3 82.35 0.00 2.63 0.04 0.11 14.86 09:20:10 4 81.03 0.00 2.84 0.01 0.11 16.01 09:20:10 5 85.38 0.00 2.61 0.01 0.11 11.89 09:20:10 6 80.83 0.00 2.73 0.03 0.11 16.30 09:20:10 7 82.11 0.00 2.69 0.01 0.12 15.07 09:30:00 all 96.87 0.00 2.96 0.00 0.12 0.05 09:30:00 0 96.95 0.00 2.88 0.00 0.12 0.06 09:30:00 1 96.88 0.00 2.96 0.00 0.12 0.05 09:30:00 2 96.76 0.00 3.07 0.00 0.11 0.06 09:30:00 3 96.94 0.00 2.90 0.00 0.11 0.05 09:30:00 4 96.67 0.00 3.15 0.00 0.13 0.05 09:30:00 5 97.03 0.00 2.80 0.00 0.12 0.04 09:30:00 6 97.03 0.00 2.80 0.00 0.12 0.05 09:30:00 7 96.70 0.00 3.12 0.00 0.12 0.05 Average: all 89.59 0.00 2.84 0.01 0.12 7.44 Average: 0 89.29 0.00 2.78 0.00 0.12 7.81 Average: 1 87.97 0.00 2.82 0.00 0.11 9.10 Average: 2 92.01 0.00 3.02 0.00 0.12 4.85 Average: 3 89.53 0.00 2.76 0.02 0.11 7.57 Average: 4 88.73 0.00 2.99 0.01 0.12 8.16 Average: 5 91.11 0.00 2.71 0.00 0.12 6.06 Average: 6 88.80 0.00 2.77 0.01 0.12 8.30 Average: 7 89.30 0.00 2.91 0.00 0.12 7.68