---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53720 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: 5599.94 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 654 9489 4 5845 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:db:3a:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84427sec preferred_lft 84427sec inet6 fe80::f816:3eff:fedb:3a2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:a0:76:b6:4c:32 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-53720) 03/28/26 _x86_64_ (4 CPU) 05:13:15 LINUX RESTART (4 CPU) 05:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 13.07 0.03 10.82 2.22 0.64 906.42 44104.97 05:40:03 32.52 0.19 28.25 4.09 5.78 7114.81 25816.05 Average: 22.83 0.11 19.56 3.16 3.22 4020.81 34930.49 05:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 9530328 12952804 3006404 18.36 131772 3412332 3208168 18.41 675248 5761512 228 05:40:03 6672396 12272944 3674936 22.45 165848 5454968 3722444 21.37 1493536 7687916 204388 Average: 8101362 12612874 3340670 20.40 148810 4433650 3465306 19.89 1084392 6724714 102308 05:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 43.44 43.44 10.23 10.23 0.00 0.00 0.00 0.00 05:30:01 ens3 10.85 9.75 13.32 3.47 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:03 lo 1846.95 1846.95 1750.85 1750.85 0.00 0.00 0.00 0.00 05:40:03 ens3 63.42 51.31 464.40 13.33 0.00 0.00 0.00 0.00 05:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 948.16 948.16 883.40 883.40 0.00 0.00 0.00 0.00 Average: ens3 37.22 30.60 239.60 8.42 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-53720) 03/28/26 _x86_64_ (4 CPU) 05:13:15 LINUX RESTART (4 CPU) 05:20:03 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 24.75 0.00 0.99 0.11 0.09 74.07 05:30:01 0 24.97 0.00 1.00 0.05 0.08 73.89 05:30:01 1 25.11 0.00 1.14 0.11 0.09 73.56 05:30:01 2 24.30 0.00 0.99 0.23 0.09 74.40 05:30:01 3 24.60 0.00 0.82 0.04 0.09 74.45 05:40:03 all 44.45 0.00 2.24 0.14 0.08 53.08 05:40:03 0 44.59 0.00 2.40 0.24 0.08 52.68 05:40:03 1 45.26 0.00 2.12 0.10 0.08 52.43 05:40:03 2 44.61 0.00 2.29 0.10 0.08 52.92 05:40:03 3 43.35 0.00 2.15 0.13 0.08 54.29 Average: all 34.62 0.00 1.62 0.12 0.08 63.56 Average: 0 34.80 0.00 1.70 0.15 0.08 63.26 Average: 1 35.21 0.00 1.63 0.10 0.09 62.97 Average: 2 34.46 0.00 1.64 0.16 0.08 63.65 Average: 3 34.00 0.00 1.49 0.08 0.08 64.35