---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3877 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 624 10676 4 4687 15021 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:a8:6a:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84811sec preferred_lft 84811sec inet6 fe80::f816:3eff:fea8:6abb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:40:fe:12:b0:c5 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-3877) 12/05/25 _x86_64_ (4 CPU) 09:55:52 LINUX RESTART (4 CPU) 10:00:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:27 5.31 0.31 4.65 0.35 218.30 779.59 396.19 10:20:15 18.96 0.55 17.00 1.40 19.72 2348.95 3336.35 Average: 12.13 0.43 10.82 0.88 119.16 1563.15 1864.17 10:00:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:27 10815852 13758364 2205624 13.47 111584 2999176 2767920 15.89 554812 4670140 26396 10:20:15 10297164 13646688 2313236 14.13 133672 3358056 2498324 14.34 725532 4967436 10272 Average: 10556508 13702526 2259430 13.80 122628 3178616 2633122 15.11 640172 4818788 18334 10:00:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:27 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 10:10:27 ens3 21.73 16.76 97.91 2.87 0.00 0.00 0.00 0.00 10:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:15 lo 552.78 552.78 526.76 526.76 0.00 0.00 0.00 0.00 10:20:15 ens3 33.52 25.33 395.94 3.67 0.00 0.00 0.00 0.00 10:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 276.32 276.32 263.20 263.20 0.00 0.00 0.00 0.00 Average: ens3 27.62 21.04 246.72 3.27 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-3877) 12/05/25 _x86_64_ (4 CPU) 09:55:52 LINUX RESTART (4 CPU) 10:00:37 CPU %user %nice %system %iowait %steal %idle 10:10:27 all 47.00 0.00 0.75 0.05 0.07 52.13 10:10:27 0 43.86 0.00 0.91 0.03 0.07 55.13 10:10:27 1 45.95 0.00 0.69 0.01 0.07 53.28 10:10:27 2 61.71 0.00 0.74 0.05 0.08 37.42 10:10:27 3 36.48 0.00 0.67 0.10 0.07 62.68 10:20:15 all 55.44 0.00 1.28 0.06 0.08 43.14 10:20:15 0 49.76 0.00 1.34 0.03 0.08 48.79 10:20:15 1 78.69 0.00 1.37 0.06 0.10 19.78 10:20:15 2 46.25 0.00 1.28 0.06 0.08 52.33 10:20:15 3 47.07 0.00 1.12 0.08 0.08 51.66 Average: all 51.21 0.00 1.01 0.05 0.08 47.64 Average: 0 46.81 0.00 1.12 0.03 0.08 51.96 Average: 1 62.30 0.00 1.03 0.04 0.08 36.56 Average: 2 54.00 0.00 1.01 0.06 0.08 44.86 Average: 3 41.76 0.00 0.89 0.09 0.07 57.18