---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29977 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 627 10567 4 4793 15018 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:b6:b7:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84394sec preferred_lft 84394sec inet6 fe80::f816:3eff:feb6:b74d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:5c:d3:00:2c:67 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-29977) 03/25/26 _x86_64_ (4 CPU) 07:00:04 LINUX RESTART (4 CPU) 07:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:00 3.68 0.07 3.48 0.14 6.78 550.61 33.76 07:30:00 16.34 0.51 14.70 1.13 18.96 2465.68 14530.92 Average: 10.04 0.29 9.11 0.64 12.90 1512.47 7315.04 07:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:00 9773412 12786612 3176740 19.40 113728 3061724 3369504 19.34 500628 5756876 84 07:30:00 9100176 12795184 3163928 19.32 132904 3688428 3286704 18.87 708772 6183656 268380 Average: 9436794 12790898 3170334 19.36 123316 3375076 3328104 19.10 604700 5970266 134232 07:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:00 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 07:20:00 ens3 8.50 7.01 36.41 2.17 0.00 0.00 0.00 0.00 07:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 lo 391.74 391.74 373.13 373.13 0.00 0.00 0.00 0.00 07:30:00 ens3 36.78 26.80 408.06 3.66 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 197.05 197.05 187.60 187.60 0.00 0.00 0.00 0.00 Average: ens3 22.71 16.95 223.07 2.92 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-29977) 03/25/26 _x86_64_ (4 CPU) 07:00:04 LINUX RESTART (4 CPU) 07:10:05 CPU %user %nice %system %iowait %steal %idle 07:20:00 all 46.37 0.00 0.72 1.11 0.12 51.67 07:20:00 0 44.46 0.00 0.68 0.47 0.12 54.28 07:20:00 1 53.36 0.00 0.70 0.94 0.13 44.87 07:20:00 2 42.74 0.00 0.78 1.30 0.13 55.06 07:20:00 3 44.94 0.00 0.73 1.76 0.11 52.46 07:30:00 all 56.94 0.00 1.25 0.52 0.15 41.15 07:30:00 0 51.43 0.00 1.31 0.79 0.14 46.33 07:30:00 1 64.65 0.00 1.32 0.40 0.16 33.48 07:30:00 2 47.13 0.00 1.21 0.44 0.14 51.08 07:30:00 3 64.51 0.00 1.18 0.44 0.15 33.73 Average: all 51.69 0.00 0.99 0.81 0.13 46.38 Average: 0 47.96 0.00 1.00 0.63 0.13 50.28 Average: 1 59.05 0.00 1.01 0.66 0.15 39.13 Average: 2 44.95 0.00 0.99 0.87 0.13 53.06 Average: 3 54.78 0.00 0.96 1.09 0.13 43.04