---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-10866 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 810 25106 4 6175 30813 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:32:ae:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84467sec preferred_lft 84467sec inet6 fe80::f816:3eff:fe32:aece/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:8c:58:63:62:5c 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 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-10866) 12/05/25 _x86_64_ (8 CPU) 20:56:39 LINUX RESTART (8 CPU) 21:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:23 4.05 0.41 3.41 0.22 403.81 399.08 5644.08 21:20:04 26.06 1.99 24.04 0.03 68.50 1102.88 622.91 Average: 14.88 1.19 13.56 0.13 238.89 745.25 3174.36 21:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:23 30056056 31882428 501288 1.53 62364 2100264 1497208 4.42 336032 2180372 12 21:20:04 28194988 30606808 1753256 5.34 82464 2645344 2094948 6.18 537928 3788960 326024 Average: 29125522 31244618 1127272 3.43 72414 2372804 1796078 5.30 436980 2984666 163018 21:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:23 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 21:10:23 ens3 12.38 8.16 127.79 0.59 0.00 0.00 0.00 0.00 21:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:04 lo 11.59 11.59 47.50 47.50 0.00 0.00 0.00 0.00 21:20:04 ens3 175.73 116.19 859.63 36.95 0.00 0.00 0.00 0.00 21:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 5.76 5.76 23.37 23.37 0.00 0.00 0.00 0.00 Average: ens3 92.73 61.30 487.75 18.47 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 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-10866) 12/05/25 _x86_64_ (8 CPU) 20:56:39 LINUX RESTART (8 CPU) 21:00:23 CPU %user %nice %system %iowait %steal %idle 21:10:23 all 0.19 0.00 0.06 0.04 0.01 99.70 21:10:23 0 0.15 0.00 0.06 0.01 0.01 99.78 21:10:23 1 0.17 0.00 0.06 0.01 0.02 99.74 21:10:23 2 0.16 0.00 0.06 0.02 0.01 99.75 21:10:23 3 0.61 0.00 0.04 0.13 0.01 99.21 21:10:23 4 0.13 0.00 0.05 0.10 0.02 99.71 21:10:23 5 0.10 0.00 0.06 0.01 0.01 99.83 21:10:23 6 0.12 0.00 0.08 0.06 0.01 99.74 21:10:23 7 0.13 0.00 0.04 0.01 0.01 99.82 21:20:04 all 3.38 0.00 0.29 0.07 0.02 96.24 21:20:04 0 2.89 0.00 0.21 0.00 0.02 96.88 21:20:04 1 3.31 0.00 0.41 0.05 0.05 96.18 21:20:04 2 3.84 0.00 0.28 0.03 0.02 95.83 21:20:04 3 4.60 0.00 0.32 0.40 0.02 94.67 21:20:04 4 3.66 0.00 0.33 0.02 0.02 95.97 21:20:04 5 3.65 0.00 0.33 0.04 0.02 95.95 21:20:04 6 3.06 0.00 0.22 0.01 0.02 96.70 21:20:04 7 2.03 0.00 0.21 0.01 0.02 97.74 Average: all 1.76 0.00 0.17 0.06 0.02 98.00 Average: 0 1.49 0.00 0.13 0.01 0.01 98.35 Average: 1 1.72 0.00 0.23 0.03 0.03 97.99 Average: 2 1.97 0.00 0.17 0.02 0.02 97.82 Average: 3 2.57 0.00 0.18 0.26 0.01 96.98 Average: 4 1.86 0.00 0.19 0.06 0.02 97.87 Average: 5 1.85 0.00 0.19 0.03 0.01 97.92 Average: 6 1.57 0.00 0.15 0.03 0.01 98.24 Average: 7 1.06 0.00 0.12 0.01 0.01 98.79