---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12903 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 68G 14% / 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 607 10760 4 4621 15039 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:8d:45:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84745sec preferred_lft 84745sec inet6 fe80::f816:3eff:fe8d:450f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:26:44:7f:a9:a7 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-12903) 12/11/25 _x86_64_ (4 CPU) 22:48:19 LINUX RESTART (4 CPU) 22:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:04 13.59 2.95 10.35 0.29 161.09 2896.95 478.06 23:10:04 2.89 0.03 2.75 0.11 1.27 383.96 65.41 Average: 8.26 1.49 6.56 0.20 81.42 1644.21 272.36 22:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:04 9855764 12647780 3316992 20.26 108124 2857612 3518140 20.19 480436 5711028 332 23:10:04 10215348 13141484 2822508 17.24 111992 2977876 2937816 16.86 507420 5317564 27488 Average: 10035556 12894632 3069750 18.75 110058 2917744 3227978 18.53 493928 5514296 13910 22:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:04 lo 0.43 0.43 0.05 0.05 0.00 0.00 0.00 0.00 23:00:04 ens3 56.57 45.59 597.84 8.72 0.00 0.00 0.00 0.00 23:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:04 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 23:10:04 ens3 5.62 4.72 30.36 1.28 0.00 0.00 0.00 0.00 23:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.48 0.48 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 31.17 25.22 314.95 5.01 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-12903) 12/11/25 _x86_64_ (4 CPU) 22:48:19 LINUX RESTART (4 CPU) 22:50:01 CPU %user %nice %system %iowait %steal %idle 23:00:04 all 51.06 0.00 0.94 0.06 0.07 47.87 23:00:04 0 58.06 0.00 0.87 0.03 0.07 40.96 23:00:04 1 45.73 0.00 1.10 0.15 0.07 52.95 23:00:04 2 52.41 0.00 0.89 0.04 0.07 46.58 23:00:04 3 48.04 0.00 0.88 0.02 0.07 50.99 23:10:04 all 47.88 0.00 0.50 0.01 0.07 51.53 23:10:04 0 35.89 0.00 0.43 0.00 0.07 63.60 23:10:04 1 46.41 0.00 0.61 0.04 0.08 52.86 23:10:04 2 58.00 0.00 0.45 0.01 0.08 41.47 23:10:04 3 51.24 0.00 0.51 0.01 0.08 48.16 Average: all 49.48 0.00 0.72 0.04 0.07 49.69 Average: 0 47.00 0.00 0.65 0.02 0.07 52.27 Average: 1 46.07 0.00 0.86 0.09 0.07 52.90 Average: 2 55.19 0.00 0.67 0.02 0.07 44.03 Average: 3 49.64 0.00 0.69 0.01 0.07 49.58