---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8235 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 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 689 8984 4 6315 14957 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:f1:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84413sec preferred_lft 84413sec inet6 fe80::f816:3eff:fe44:f119/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:23:8d:9c:4a:ae 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-8235) 03/23/26 _x86_64_ (4 CPU) 05:12:28 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:12 12.17 0.02 10.08 2.07 0.62 857.56 46415.99 05:40:08 33.75 0.19 29.33 4.22 5.85 7338.04 23003.16 Average: 22.83 0.11 19.59 3.14 3.20 4057.80 34854.10 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:12 9210844 13116716 2839444 17.34 137932 3882112 3065320 17.59 903144 5850836 756 05:40:08 7210072 13122560 2822940 17.24 171324 5760580 2895232 16.62 1713028 6934108 7976 Average: 8210458 13119638 2831192 17.29 154628 4821346 2980276 17.11 1308086 6392472 4366 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:12 lo 44.93 44.93 10.73 10.73 0.00 0.00 0.00 0.00 05:30:12 ens3 10.98 9.39 13.02 3.31 0.00 0.00 0.00 0.00 05:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:08 lo 1801.83 1801.83 1711.34 1711.34 0.00 0.00 0.00 0.00 05:40:08 ens3 75.74 57.54 470.58 14.49 0.00 0.00 0.00 0.00 05:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 912.54 912.54 850.54 850.54 0.00 0.00 0.00 0.00 Average: ens3 42.96 33.17 238.98 8.83 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-8235) 03/23/26 _x86_64_ (4 CPU) 05:12:28 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:12 all 25.81 0.00 1.00 0.66 0.11 72.43 05:30:12 0 26.47 0.00 1.13 0.09 0.10 72.21 05:30:12 1 25.81 0.00 1.04 0.12 0.10 72.92 05:30:12 2 25.78 0.00 0.81 1.97 0.11 71.33 05:30:12 3 25.16 0.00 1.02 0.45 0.11 73.25 05:40:08 all 46.09 0.00 2.30 0.54 0.11 50.97 05:40:08 0 45.37 0.00 2.61 0.61 0.11 51.30 05:40:08 1 44.89 0.00 2.22 0.46 0.10 52.33 05:40:08 2 48.60 0.00 2.16 0.74 0.11 48.39 05:40:08 3 45.50 0.00 2.19 0.34 0.11 51.86 Average: all 35.83 0.00 1.64 0.60 0.11 61.82 Average: 0 35.81 0.00 1.86 0.35 0.11 61.88 Average: 1 35.27 0.00 1.62 0.29 0.10 62.72 Average: 2 37.04 0.00 1.48 1.37 0.11 60.00 Average: 3 35.20 0.00 1.60 0.40 0.11 62.70