---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-493144 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 12G 67G 15% / 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 612 9843 4 5532 15033 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:45:45:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84854sec preferred_lft 84854sec inet6 fe80::f816:3eff:fe45:454e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:08:f4:1a:c4:fa 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-493144) 03/16/26 _x86_64_ (4 CPU) 14:57:10 LINUX RESTART (4 CPU) 15:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:00 21.17 0.37 17.51 3.28 15.34 2495.63 33221.49 15:20:23 23.41 0.15 19.91 3.34 4.51 1694.71 31437.61 Average: 22.33 0.26 18.75 3.31 9.73 2080.96 32297.90 15:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:00 9643152 13029324 2930204 17.90 126948 3385284 3236380 18.58 663336 5686228 104 15:20:23 9282296 13040840 2915540 17.81 145644 3713948 2969276 17.04 794880 5891376 29096 Average: 9462724 13035082 2922872 17.85 136296 3549616 3102828 17.81 729108 5788802 14600 15:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:00 lo 31.62 31.62 7.37 7.37 0.00 0.00 0.00 0.00 15:10:00 ens3 13.34 11.85 13.48 3.97 0.00 0.00 0.00 0.00 15:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:23 lo 1402.53 1402.53 1314.34 1314.34 0.00 0.00 0.00 0.00 15:20:23 ens3 35.25 25.77 253.87 5.25 0.00 0.00 0.00 0.00 15:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 741.40 741.40 684.04 684.04 0.00 0.00 0.00 0.00 Average: ens3 24.69 19.06 137.94 4.64 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-493144) 03/16/26 _x86_64_ (4 CPU) 14:57:10 LINUX RESTART (4 CPU) 15:00:20 CPU %user %nice %system %iowait %steal %idle 15:10:00 all 33.51 0.00 1.15 0.09 0.09 65.16 15:10:00 0 33.26 0.00 1.15 0.13 0.09 65.37 15:10:00 1 34.72 0.00 1.07 0.10 0.09 64.02 15:10:00 2 33.64 0.00 1.19 0.06 0.10 65.02 15:10:00 3 32.42 0.00 1.18 0.07 0.09 66.24 15:20:23 all 35.06 0.00 1.72 0.05 0.09 63.08 15:20:23 0 35.37 0.00 1.87 0.03 0.09 62.65 15:20:23 1 34.95 0.00 1.75 0.03 0.09 63.18 15:20:23 2 35.12 0.00 1.72 0.11 0.09 62.95 15:20:23 3 34.81 0.00 1.54 0.03 0.09 63.54 Average: all 34.31 0.00 1.44 0.07 0.09 64.08 Average: 0 34.35 0.00 1.52 0.08 0.09 63.96 Average: 1 34.84 0.00 1.42 0.07 0.09 63.59 Average: 2 34.41 0.00 1.46 0.09 0.10 63.95 Average: 3 33.66 0.00 1.37 0.05 0.09 64.84