---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11902 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: 5600.00 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 9.1G 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 602 11972 4 3413 15043 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:31:88:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84928sec preferred_lft 84928sec inet6 fe80::f816:3eff:fe31:8806/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:5d:0a:d9:ba:a6 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-11902) 12/09/25 _x86_64_ (4 CPU) 09:05:55 LINUX RESTART (4 CPU) 09:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:05 23.41 3.35 18.94 1.13 563.47 4089.75 5750.55 09:30:05 17.93 0.12 4.33 13.47 12.67 348.63 239770.98 Average: 20.67 1.73 11.63 7.30 288.07 2219.19 122760.76 09:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:05 9487348 12545360 3417520 20.87 112148 3115968 3603672 20.69 602124 5937168 212 09:30:05 12291208 15429440 532916 3.25 117436 3184900 1057904 6.07 634804 3096136 26580 Average: 10889278 13987400 1975218 12.06 114792 3150434 2330788 13.38 618464 4516652 13396 09:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:05 lo 0.52 0.52 0.06 0.06 0.00 0.00 0.00 0.00 09:20:05 ens3 64.48 49.86 885.40 7.95 0.00 0.00 0.00 0.00 09:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:05 lo 0.56 0.56 0.38 0.38 0.00 0.00 0.00 0.00 09:30:05 ens3 4.61 4.08 3.24 1.88 0.00 0.00 0.00 0.00 09:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 34.54 26.97 444.32 4.92 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-11902) 12/09/25 _x86_64_ (4 CPU) 09:05:55 LINUX RESTART (4 CPU) 09:10:05 CPU %user %nice %system %iowait %steal %idle 09:20:05 all 48.80 0.00 1.12 1.04 0.10 48.94 09:20:05 0 43.57 0.00 1.15 0.17 0.09 55.02 09:20:05 1 46.44 0.00 0.90 0.09 0.10 52.47 09:20:05 2 54.78 0.00 1.12 1.87 0.09 42.14 09:20:05 3 50.40 0.00 1.31 2.05 0.10 46.14 09:30:05 all 41.52 0.00 0.52 1.05 0.09 56.82 09:30:05 0 22.66 0.00 0.44 1.35 0.07 75.49 09:30:05 1 46.64 0.00 0.52 0.93 0.08 51.83 09:30:05 2 60.00 0.00 0.62 0.83 0.10 38.45 09:30:05 3 36.82 0.00 0.50 1.11 0.12 61.46 Average: all 45.16 0.00 0.82 1.05 0.09 52.88 Average: 0 33.11 0.00 0.79 0.76 0.08 65.25 Average: 1 46.54 0.00 0.71 0.51 0.09 52.15 Average: 2 57.39 0.00 0.87 1.35 0.10 40.29 Average: 3 43.61 0.00 0.90 1.58 0.11 53.80