---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8081 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 67G 14% / 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 629 10616 4 4743 15017 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:82:c0:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84691sec preferred_lft 84691sec inet6 fe80::f816:3eff:fe82:c060/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:cf:2c:05:bb:da 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-8081) 03/22/26 _x86_64_ (4 CPU) 09:55:00 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 4.03 0.09 3.78 0.16 9.11 624.76 416.32 10:20:01 13.42 0.52 12.06 0.84 19.03 2262.32 3347.40 Average: 8.73 0.31 7.92 0.50 14.07 1443.79 1882.30 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8279164 11244012 4719744 28.83 112824 3018424 4881236 28.02 493568 7248604 348 10:20:01 9249216 12916696 3042636 18.58 131472 3664316 3104596 17.82 689588 6045256 262904 Average: 8764190 12080354 3881190 23.70 122148 3341370 3992916 22.92 591578 6646930 131626 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 10:10:01 ens3 9.52 7.66 36.23 2.13 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 365.75 365.75 348.50 348.50 0.00 0.00 0.00 0.00 10:20:01 ens3 32.65 24.03 412.64 3.29 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 183.23 183.23 174.49 174.49 0.00 0.00 0.00 0.00 Average: ens3 21.09 15.85 224.49 2.71 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-8081) 03/22/26 _x86_64_ (4 CPU) 09:55:00 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 44.35 0.00 0.62 0.03 0.09 54.91 10:10:01 0 33.42 0.00 0.67 0.04 0.08 65.79 10:10:01 1 46.10 0.00 0.58 0.02 0.09 53.21 10:10:01 2 57.26 0.00 0.58 0.02 0.09 42.05 10:10:01 3 40.67 0.00 0.64 0.04 0.08 58.56 10:20:01 all 52.64 0.00 1.07 1.87 0.10 44.32 10:20:01 0 53.68 0.00 1.23 1.32 0.10 43.67 10:20:01 1 45.08 0.00 0.80 1.72 0.09 52.31 10:20:01 2 67.98 0.00 0.88 1.04 0.11 29.98 10:20:01 3 43.80 0.00 1.39 3.39 0.09 51.32 Average: all 48.49 0.00 0.85 0.95 0.09 49.62 Average: 0 43.54 0.00 0.95 0.68 0.09 54.74 Average: 1 45.59 0.00 0.69 0.87 0.09 52.76 Average: 2 62.62 0.00 0.73 0.53 0.10 36.02 Average: 3 42.23 0.00 1.02 1.71 0.09 54.96