---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53176 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 13G 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 649 8620 4 6720 14997 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:c2:7b:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85586sec preferred_lft 85586sec inet6 fe80::f816:3eff:fec2:7b45/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:cc:3d:3e:f1:3e 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-53176) 03/26/26 _x86_64_ (4 CPU) 13:47:44 LINUX RESTART (4 CPU) 13:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:09 22.91 2.44 19.46 1.01 149.27 16974.25 7774.83 Average: 22.91 2.44 19.46 1.01 149.27 16974.25 7774.83 13:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:09 8837008 15359504 589088 3.60 137192 6425896 1115192 6.40 1068836 5971692 26532 Average: 8837008 15359504 589088 3.60 137192 6425896 1115192 6.40 1068836 5971692 26532 13:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:09 lo 110.40 110.40 96.22 96.22 0.00 0.00 0.00 0.00 14:00:09 ens3 73.46 67.12 624.40 595.06 0.00 0.00 0.00 0.00 14:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 110.40 110.40 96.22 96.22 0.00 0.00 0.00 0.00 Average: ens3 73.46 67.12 624.40 595.06 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-53176) 03/26/26 _x86_64_ (4 CPU) 13:47:44 LINUX RESTART (4 CPU) 13:50:09 CPU %user %nice %system %iowait %steal %idle 14:00:09 all 35.62 0.00 1.33 0.70 0.10 62.24 14:00:09 0 34.78 0.00 1.27 0.60 0.10 63.25 14:00:09 1 33.79 0.00 1.33 1.18 0.11 63.59 14:00:09 2 36.10 0.00 1.14 0.60 0.10 62.06 14:00:09 3 37.83 0.00 1.58 0.42 0.11 60.07 Average: all 35.62 0.00 1.33 0.70 0.10 62.24 Average: 0 34.78 0.00 1.27 0.60 0.10 63.25 Average: 1 33.79 0.00 1.33 1.18 0.11 63.59 Average: 2 36.10 0.00 1.14 0.60 0.10 62.06 Average: 3 37.83 0.00 1.58 0.42 0.11 60.07