---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52711 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 66G 16% / 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 666 8817 4 6505 14980 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:44:94:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84486sec preferred_lft 84486sec inet6 fe80::f816:3eff:fe44:9460/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:76:9f:65:33:a0 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-52711) 03/25/26 _x86_64_ (4 CPU) 12:33:07 LINUX RESTART (4 CPU) 12:40:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:00 27.03 0.02 24.11 2.91 0.21 2255.23 8395.76 13:00:01 21.93 0.03 19.81 2.08 0.73 3996.18 9126.92 Average: 24.40 0.03 21.89 2.48 0.48 3155.01 8773.64 12:40:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:00 9522172 13164884 2792164 17.05 145716 3609320 2682812 15.40 716552 5720208 15436 13:00:01 5844848 10449936 5503516 33.61 161156 4514948 5153052 29.58 992024 9070696 24 Average: 7683510 11807410 4147840 25.33 153436 4062134 3917932 22.49 854288 7395452 7730 12:40:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:00 lo 1627.25 1627.25 1546.13 1546.13 0.00 0.00 0.00 0.00 12:50:00 ens3 23.76 20.27 11.11 6.60 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 976.31 976.31 3178.61 3178.61 0.00 0.00 0.00 0.00 13:00:01 ens3 22.71 19.21 42.71 6.04 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1290.82 1290.82 2389.85 2389.85 0.00 0.00 0.00 0.00 Average: ens3 23.22 19.73 27.44 6.31 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-52711) 03/25/26 _x86_64_ (4 CPU) 12:33:07 LINUX RESTART (4 CPU) 12:40:38 CPU %user %nice %system %iowait %steal %idle 12:50:00 all 67.31 0.00 2.44 0.04 0.11 30.10 12:50:00 0 67.32 0.00 2.47 0.03 0.11 30.07 12:50:00 1 65.82 0.00 2.37 0.07 0.11 31.63 12:50:00 2 68.70 0.00 2.27 0.04 0.12 28.88 12:50:00 3 67.39 0.00 2.65 0.04 0.11 29.81 13:00:01 all 54.24 0.00 1.92 0.07 0.10 43.67 13:00:01 0 53.85 0.00 1.69 0.01 0.10 44.35 13:00:01 1 51.21 0.00 2.09 0.11 0.10 46.50 13:00:01 2 56.19 0.00 1.92 0.10 0.10 41.69 13:00:01 3 55.73 0.00 2.01 0.04 0.10 42.13 Average: all 60.55 0.00 2.17 0.05 0.11 37.12 Average: 0 60.35 0.00 2.06 0.02 0.11 37.46 Average: 1 58.26 0.00 2.22 0.09 0.11 39.32 Average: 2 62.23 0.00 2.09 0.07 0.11 35.51 Average: 3 61.36 0.00 2.32 0.04 0.11 36.18