---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1102 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 751 19855 4 11485 30873 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:3d:5a:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.177/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84236sec preferred_lft 84236sec inet6 fe80::f816:3eff:fe3d:5a97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:ba:8a:ba:3c:1d 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-1102) 03/11/26 _x86_64_ (8 CPU) 08:03:28 LINUX RESTART (8 CPU) 08:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:01 31.07 0.75 13.93 16.39 22.27 4287.31 518808.03 08:30:18 6.54 0.01 5.59 0.94 0.51 427.80 72.72 Average: 18.46 0.37 9.64 8.45 11.09 2304.00 252242.92 08:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:01 21068532 25228284 7074452 21.53 169404 4181444 9587600 28.27 654584 10638080 212 08:30:18 21710276 25965020 6336932 19.28 170588 4270628 9105524 26.85 671016 9981288 3104 Average: 21389404 25596652 6705692 20.41 169996 4226036 9346562 27.56 662800 10309684 1658 08:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:01 lo 3.56 3.56 1.26 1.26 0.00 0.00 0.00 0.00 08:20:01 ens3 166.63 98.84 389.23 40.83 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:18 lo 4.42 4.42 0.77 0.77 0.00 0.00 0.00 0.00 08:30:18 ens3 4.42 3.98 1.07 1.70 0.00 0.00 0.00 0.00 08:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.00 4.00 1.00 1.00 0.00 0.00 0.00 0.00 Average: ens3 83.27 50.09 189.76 20.72 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-1102) 03/11/26 _x86_64_ (8 CPU) 08:03:28 LINUX RESTART (8 CPU) 08:10:18 CPU %user %nice %system %iowait %steal %idle 08:20:01 all 61.16 0.00 2.06 0.05 0.09 36.64 08:20:01 0 62.17 0.00 2.05 0.01 0.09 35.69 08:20:01 1 59.06 0.00 2.12 0.03 0.09 38.70 08:20:01 2 63.88 0.00 2.02 0.01 0.09 34.00 08:20:01 3 61.76 0.00 2.09 0.10 0.08 35.97 08:20:01 4 60.90 0.00 1.90 0.07 0.09 37.04 08:20:01 5 60.77 0.00 2.27 0.02 0.09 36.85 08:20:01 6 61.93 0.00 2.06 0.02 0.09 35.89 08:20:01 7 58.82 0.00 1.95 0.13 0.08 39.01 08:30:18 all 96.95 0.00 2.82 0.00 0.11 0.12 08:30:18 0 97.02 0.00 2.74 0.00 0.11 0.13 08:30:18 1 96.77 0.00 3.03 0.00 0.12 0.09 08:30:18 2 96.85 0.00 2.90 0.00 0.11 0.15 08:30:18 3 96.86 0.00 2.90 0.00 0.11 0.13 08:30:18 4 97.12 0.00 2.65 0.00 0.11 0.12 08:30:18 5 96.59 0.00 3.18 0.00 0.12 0.12 08:30:18 6 97.15 0.00 2.63 0.00 0.10 0.11 08:30:18 7 97.26 0.00 2.53 0.00 0.11 0.11 Average: all 79.57 0.00 2.45 0.02 0.10 17.86 Average: 0 80.09 0.00 2.40 0.00 0.10 17.40 Average: 1 78.45 0.00 2.59 0.02 0.10 18.84 Average: 2 80.84 0.00 2.47 0.00 0.10 16.59 Average: 3 79.82 0.00 2.51 0.05 0.10 17.53 Average: 4 79.53 0.00 2.29 0.03 0.10 18.05 Average: 5 79.20 0.00 2.74 0.01 0.10 17.95 Average: 6 80.05 0.00 2.36 0.01 0.10 17.49 Average: 7 78.58 0.00 2.25 0.07 0.10 19.01