---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66292 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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 621 10211 4 5155 15025 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:72:84:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84731sec preferred_lft 84731sec inet6 fe80::f816:3eff:fe72:8453/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:cd:c0:3c:d1:94 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-66292) 04/04/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:25 7.58 0.64 6.43 0.51 590.61 1264.58 11252.57 00:50:25 18.25 0.52 16.37 1.36 19.00 2325.47 7467.87 Average: 12.81 0.58 11.30 0.92 310.42 1784.60 9397.40 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:25 10476364 13826000 2135932 13.05 117824 3390908 2427300 13.93 702444 4844416 1024 00:50:25 8927224 13009284 2947868 18.00 140340 4060464 3115084 17.88 914652 6131012 275912 Average: 9701794 13417642 2541900 15.52 129082 3725686 2771192 15.91 808548 5487714 138468 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:25 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 00:40:25 ens3 22.24 16.65 256.08 3.41 0.00 0.00 0.00 0.00 00:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:25 lo 502.39 502.39 478.79 478.79 0.00 0.00 0.00 0.00 00:50:25 ens3 44.53 31.47 411.18 5.39 0.00 0.00 0.00 0.00 00:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 246.58 246.58 234.88 234.88 0.00 0.00 0.00 0.00 Average: ens3 33.17 23.91 332.11 4.38 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-66292) 04/04/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:25 all 45.52 0.00 0.73 0.15 0.07 53.53 00:40:25 0 35.95 0.00 0.70 0.19 0.07 63.08 00:40:25 1 61.82 0.00 0.79 0.09 0.08 37.22 00:40:25 2 45.64 0.00 0.81 0.13 0.07 53.35 00:40:25 3 38.73 0.00 0.62 0.20 0.06 60.39 00:50:25 all 56.02 0.00 1.30 0.14 0.09 42.45 00:50:25 0 70.25 0.00 1.43 0.15 0.10 28.06 00:50:25 1 47.22 0.00 1.31 0.15 0.09 51.23 00:50:25 2 54.73 0.00 1.32 0.10 0.09 43.76 00:50:25 3 51.89 0.00 1.12 0.17 0.08 46.74 Average: all 50.66 0.00 1.01 0.15 0.08 48.10 Average: 0 52.72 0.00 1.06 0.17 0.09 45.96 Average: 1 54.65 0.00 1.05 0.12 0.08 44.10 Average: 2 50.09 0.00 1.06 0.12 0.08 48.65 Average: 3 45.17 0.00 0.87 0.19 0.07 53.70