---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12555 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 9.3G 69G 12% / 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 613 11682 4 3693 15033 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:18:23:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85146sec preferred_lft 85146sec inet6 fe80::f816:3eff:fe18:231f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:ff:28:94:e4:f1 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-12555) 12/11/25 _x86_64_ (4 CPU) 09:09:43 LINUX RESTART (4 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:01 95.52 11.77 76.07 7.68 1875.42 10181.92 133426.22 09:30:01 10.48 0.06 8.42 2.00 6.41 611.84 23878.31 Average: 52.99 5.91 42.23 4.84 940.62 5395.36 78634.91 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:01 9397068 12727208 3232896 19.75 147252 3327912 3727684 21.40 769908 5840312 17380 09:30:01 12010884 15435656 523952 3.20 152996 3408868 1044756 6.00 792584 3197336 29564 Average: 10703976 14081432 1878424 11.47 150124 3368390 2386220 13.70 781246 4518824 23472 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:01 lo 1.89 1.89 0.33 0.33 0.00 0.00 0.00 0.00 09:20:01 ens3 133.50 101.39 1061.85 21.09 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 58.30 58.30 14.42 14.42 0.00 0.00 0.00 0.00 09:30:01 ens3 5.42 4.73 4.62 1.78 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 30.10 30.10 7.38 7.38 0.00 0.00 0.00 0.00 Average: ens3 69.44 53.04 533.07 11.43 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-12555) 12/11/25 _x86_64_ (4 CPU) 09:09:43 LINUX RESTART (4 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:01 all 36.81 0.00 1.74 1.24 0.08 60.14 09:20:01 0 34.67 0.00 1.79 1.73 0.08 61.72 09:20:01 1 37.92 0.00 1.68 0.76 0.08 59.56 09:20:01 2 38.06 0.00 1.74 0.67 0.08 59.45 09:20:01 3 36.57 0.00 1.73 1.79 0.08 59.84 09:30:01 all 12.94 0.00 0.81 0.10 0.08 86.08 09:30:01 0 12.88 0.00 0.87 0.02 0.08 86.15 09:30:01 1 13.96 0.00 0.80 0.20 0.08 84.96 09:30:01 2 12.31 0.00 0.78 0.05 0.08 86.78 09:30:01 3 12.60 0.00 0.80 0.12 0.08 86.41 Average: all 24.86 0.00 1.27 0.67 0.08 73.12 Average: 0 23.76 0.00 1.33 0.88 0.08 73.95 Average: 1 25.93 0.00 1.24 0.48 0.08 72.27 Average: 2 25.18 0.00 1.26 0.36 0.08 73.13 Average: 3 24.59 0.00 1.26 0.95 0.08 73.12