---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16546 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 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 699 10288 4 5000 14947 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:d6:ce:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84681sec preferred_lft 84681sec inet6 fe80::f816:3eff:fed6:ce10/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:b9:f3:02:d6:77 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-16546) 12/26/25 _x86_64_ (4 CPU) 12:01:28 LINUX RESTART (4 CPU) 12:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:13 12.66 0.51 11.06 1.08 16.38 2594.65 2840.67 12:30:01 29.96 0.61 24.67 4.68 26.26 3721.13 3000.23 Average: 21.15 0.56 17.74 2.85 21.23 3147.63 2919.00 12:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:13 9514432 13387480 2568076 15.68 150376 3815172 3127828 17.95 852292 5585300 24336 12:30:01 10606272 15372320 577120 3.52 173488 4627664 1080604 6.20 1107616 4158420 14328 Average: 10060352 14379900 1572598 9.60 161932 4221418 2104216 12.08 979954 4871860 19332 12:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:13 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 12:20:13 ens3 61.96 52.04 140.22 17.71 0.00 0.00 0.00 0.00 12:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 1487.23 1487.23 1406.20 1406.20 0.00 0.00 0.00 0.00 12:30:01 ens3 120.17 108.79 408.01 202.27 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 730.79 730.79 690.36 690.36 0.00 0.00 0.00 0.00 Average: ens3 90.54 79.89 271.68 108.31 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-16546) 12/26/25 _x86_64_ (4 CPU) 12:01:28 LINUX RESTART (4 CPU) 12:10:03 CPU %user %nice %system %iowait %steal %idle 12:20:13 all 73.60 0.00 2.22 0.06 0.10 24.03 12:20:13 0 73.58 0.00 2.30 0.07 0.10 23.95 12:20:13 1 73.54 0.00 2.40 0.06 0.09 23.92 12:20:13 2 71.12 0.00 2.09 0.09 0.10 26.60 12:20:13 3 76.15 0.00 2.09 0.02 0.10 21.64 12:30:01 all 40.62 0.00 1.93 0.15 0.08 57.23 12:30:01 0 38.65 0.00 2.11 0.37 0.08 58.80 12:30:01 1 36.34 0.00 1.77 0.04 0.08 61.78 12:30:01 2 43.73 0.00 1.92 0.11 0.07 54.17 12:30:01 3 43.76 0.00 1.92 0.07 0.08 54.18 Average: all 57.41 0.00 2.08 0.10 0.09 40.33 Average: 0 56.42 0.00 2.20 0.22 0.09 41.07 Average: 1 55.28 0.00 2.09 0.05 0.08 42.50 Average: 2 57.66 0.00 2.01 0.10 0.08 40.14 Average: 3 60.25 0.00 2.00 0.04 0.09 37.61