---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22676 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 653 10440 4 4895 14992 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:41:d3:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84782sec preferred_lft 84782sec inet6 fe80::f816:3eff:fe41:d346/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:fc:01:43:db:ca 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22676) 06/02/26 _x86_64_ (4 CPU) 18:55:49 LINUX RESTART (4 CPU) 19:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:04 14.33 0.50 12.42 1.40 19.47 2571.20 3103.01 19:20:04 29.85 0.76 24.95 4.14 25.87 3779.35 5821.36 Average: 22.09 0.63 18.69 2.77 22.67 3175.27 4462.19 19:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:04 9556372 13250312 2705484 16.52 147360 3639948 2996128 17.20 668848 5729920 20148 19:20:04 10749916 15402836 546908 3.34 176152 4508100 1105424 6.35 926208 4193136 248 Average: 10153144 14326574 1626196 9.93 161756 4074024 2050776 11.77 797528 4961528 10198 19:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:04 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 19:10:04 ens3 76.87 55.07 186.54 18.11 0.00 0.00 0.00 0.00 19:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:04 lo 1713.38 1713.38 1626.21 1626.21 0.00 0.00 0.00 0.00 19:20:04 ens3 97.15 77.77 402.97 96.57 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 857.42 857.42 813.18 813.18 0.00 0.00 0.00 0.00 Average: ens3 87.01 66.42 294.75 57.34 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22676) 06/02/26 _x86_64_ (4 CPU) 18:55:49 LINUX RESTART (4 CPU) 19:00:04 CPU %user %nice %system %iowait %steal %idle 19:10:04 all 72.67 0.00 2.36 0.04 0.11 24.81 19:10:04 0 73.02 0.00 2.44 0.03 0.12 24.39 19:10:04 1 72.79 0.00 2.39 0.05 0.11 24.66 19:10:04 2 68.54 0.00 2.31 0.06 0.11 28.98 19:10:04 3 76.34 0.00 2.29 0.03 0.11 21.22 19:20:04 all 45.06 0.00 2.10 0.09 0.08 52.67 19:20:04 0 45.83 0.00 2.48 0.18 0.08 51.43 19:20:04 1 45.45 0.00 2.17 0.05 0.08 52.24 19:20:04 2 45.58 0.00 1.89 0.08 0.08 52.39 19:20:04 3 43.39 0.00 1.85 0.06 0.08 54.63 Average: all 58.86 0.00 2.23 0.07 0.10 38.75 Average: 0 59.42 0.00 2.46 0.10 0.10 37.92 Average: 1 59.13 0.00 2.28 0.05 0.10 38.44 Average: 2 57.05 0.00 2.10 0.07 0.09 40.70 Average: 3 59.86 0.00 2.07 0.04 0.10 37.93