---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11702 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 662 9792 4 5533 14984 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:20:fe:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84511sec preferred_lft 84511sec inet6 fe80::f816:3eff:fe20:fe11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:29:bb:26:ce:db 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-4c-4g-11702) 12/08/25 _x86_64_ (4 CPU) 20:38:06 LINUX RESTART (4 CPU) 20:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:01 76.22 3.09 52.31 20.82 755.76 4917.44 412548.05 21:00:44 18.24 0.16 15.75 2.34 4.72 1568.43 22598.15 Average: 46.24 1.57 33.40 11.26 367.36 3185.50 210884.77 20:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:01 9086628 12595648 3363832 20.54 150460 3499456 3514900 20.18 841428 6057668 11196 21:00:44 9174720 13077636 2877980 17.58 170920 3840248 3007016 17.26 965860 5818956 18192 Average: 9130674 12836642 3120906 19.06 160690 3669852 3260958 18.72 903644 5938312 14694 20:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:01 lo 17.13 17.13 3.74 3.74 0.00 0.00 0.00 0.00 20:50:01 ens3 82.52 65.90 769.15 12.11 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:44 lo 885.90 885.90 813.51 813.51 0.00 0.00 0.00 0.00 21:00:44 ens3 31.39 24.60 214.71 5.77 0.00 0.00 0.00 0.00 21:00:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 466.42 466.42 422.51 422.51 0.00 0.00 0.00 0.00 Average: ens3 56.08 44.54 482.42 8.83 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-4c-4g-11702) 12/08/25 _x86_64_ (4 CPU) 20:38:06 LINUX RESTART (4 CPU) 20:40:01 CPU %user %nice %system %iowait %steal %idle 20:50:01 all 35.28 0.00 1.51 0.65 0.08 62.49 20:50:01 0 34.77 0.00 1.57 0.78 0.08 62.80 20:50:01 1 35.22 0.00 1.30 0.43 0.08 62.97 20:50:01 2 34.75 0.00 1.51 0.48 0.08 63.19 20:50:01 3 36.38 0.00 1.65 0.89 0.08 61.01 21:00:44 all 25.88 0.00 1.42 0.07 0.08 72.55 21:00:44 0 25.30 0.00 1.49 0.04 0.08 73.09 21:00:44 1 26.31 0.00 1.32 0.17 0.08 72.11 21:00:44 2 26.11 0.00 1.48 0.03 0.09 72.29 21:00:44 3 25.79 0.00 1.37 0.04 0.09 72.72 Average: all 30.42 0.00 1.46 0.35 0.08 67.69 Average: 0 29.88 0.00 1.53 0.40 0.08 68.12 Average: 1 30.62 0.00 1.31 0.30 0.08 67.69 Average: 2 30.28 0.00 1.50 0.24 0.08 67.89 Average: 3 30.91 0.00 1.50 0.45 0.08 67.06