---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12636 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 638 9989 4 5361 15008 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:38:db:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84655sec preferred_lft 84655sec inet6 fe80::f816:3eff:fe38:db96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:83:8e:ad:f3:38 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-12636) 12/11/25 _x86_64_ (4 CPU) 12:54:56 LINUX RESTART (4 CPU) 13:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:07 60.26 12.15 40.60 7.50 529.32 2077.05 129667.97 13:20:07 26.65 0.17 22.57 3.90 5.09 2023.20 25908.89 Average: 43.52 6.19 31.62 5.71 268.21 2050.23 77986.54 13:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:07 9405148 12887556 3070496 18.75 151568 3454744 3335468 19.15 816340 5758308 880 13:20:07 8748364 12951488 3002992 18.34 169996 4118320 3056844 17.55 986740 6198700 323768 Average: 9076756 12919522 3036744 18.55 160782 3786532 3196156 18.35 901540 5978504 162324 13:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:07 lo 32.77 32.77 7.80 7.80 0.00 0.00 0.00 0.00 13:10:07 ens3 15.08 11.67 138.80 3.35 0.00 0.00 0.00 0.00 13:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:07 lo 1541.53 1541.53 1447.63 1447.63 0.00 0.00 0.00 0.00 13:20:07 ens3 41.90 33.02 331.78 7.02 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 784.27 784.27 724.97 724.97 0.00 0.00 0.00 0.00 Average: ens3 28.44 22.30 234.92 5.18 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-12636) 12/11/25 _x86_64_ (4 CPU) 12:54:56 LINUX RESTART (4 CPU) 13:00:02 CPU %user %nice %system %iowait %steal %idle 13:10:07 all 27.98 0.09 1.25 0.48 0.09 70.11 13:10:07 0 27.82 0.04 1.17 0.18 0.09 70.69 13:10:07 1 29.12 0.00 1.33 0.27 0.09 69.19 13:10:07 2 27.95 0.03 1.34 1.08 0.08 69.52 13:10:07 3 27.03 0.27 1.17 0.38 0.09 71.05 13:20:07 all 39.11 0.00 1.92 0.07 0.09 58.81 13:20:07 0 39.20 0.00 1.91 0.12 0.09 58.68 13:20:07 1 39.09 0.00 1.82 0.04 0.09 58.96 13:20:07 2 39.70 0.00 1.98 0.08 0.09 58.15 13:20:07 3 38.46 0.00 1.96 0.04 0.09 59.45 Average: all 33.52 0.04 1.58 0.27 0.09 64.49 Average: 0 33.48 0.02 1.54 0.15 0.09 64.71 Average: 1 34.08 0.00 1.58 0.16 0.09 64.10 Average: 2 33.80 0.02 1.66 0.58 0.09 63.86 Average: 3 32.72 0.13 1.57 0.21 0.09 65.27