---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-117067 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 68G 13% / 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 665 10788 4 4535 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:e2:70:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84825sec preferred_lft 84825sec inet6 fe80::f816:3eff:fee2:7095/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:fb:b2:b9:5a:4f 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-117067) 03/06/26 _x86_64_ (4 CPU) 10:35:07 LINUX RESTART (4 CPU) 10:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 13.30 2.64 10.04 0.62 542.67 2061.02 18747.13 11:00:14 32.44 0.64 26.42 5.38 24.12 4979.80 7140.01 Average: 23.03 1.62 18.37 3.04 278.99 3545.23 12844.86 10:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 10462316 13508008 2454656 14.99 121880 3089640 2818452 16.18 599736 4979488 71152 11:00:14 11140896 15423616 531684 3.25 146084 4244472 1018940 5.85 1004708 3801636 184 Average: 10801606 14465812 1493170 9.12 133982 3667056 1918696 11.01 802222 4390562 35668 10:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 10:50:01 ens3 60.74 46.53 758.33 8.59 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:14 lo 2154.81 2154.81 2047.33 2047.33 0.00 0.00 0.00 0.00 11:00:14 ens3 99.52 90.63 397.77 372.09 0.00 0.00 0.00 0.00 11:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1095.92 1095.92 1041.10 1041.10 0.00 0.00 0.00 0.00 Average: ens3 80.46 68.96 574.98 193.43 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-117067) 03/06/26 _x86_64_ (4 CPU) 10:35:07 LINUX RESTART (4 CPU) 10:40:08 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 17.20 0.00 0.72 0.36 0.06 81.66 10:50:01 0 17.50 0.00 0.71 0.11 0.06 81.62 10:50:01 1 16.23 0.00 0.61 0.17 0.06 82.93 10:50:01 2 17.35 0.00 0.76 0.34 0.06 81.49 10:50:01 3 17.72 0.00 0.80 0.80 0.07 80.62 11:00:14 all 51.84 0.00 2.59 0.38 0.11 45.08 11:00:14 0 49.86 0.00 2.41 0.39 0.10 47.24 11:00:14 1 51.53 0.00 2.64 0.28 0.11 45.43 11:00:14 2 54.40 0.00 2.61 0.21 0.12 42.67 11:00:14 3 51.59 0.00 2.69 0.62 0.12 44.98 Average: all 34.79 0.00 1.67 0.37 0.09 63.09 Average: 0 33.95 0.00 1.57 0.25 0.08 64.14 Average: 1 34.14 0.00 1.64 0.23 0.09 63.90 Average: 2 36.15 0.00 1.70 0.28 0.09 61.79 Average: 3 34.92 0.00 1.76 0.71 0.09 62.52