---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10125 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 631 10596 4 4761 15015 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:ac:95:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84771sec preferred_lft 84771sec inet6 fe80::f816:3eff:feac:953c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:cc:00:a9:c1:67 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-10125) 05/01/26 _x86_64_ (4 CPU) 09:54:27 LINUX RESTART (4 CPU) 10:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:22 17.00 0.07 3.60 13.32 7.21 580.17 238574.38 10:20:01 20.07 0.53 17.92 1.62 19.62 2483.40 8795.20 Average: 18.50 0.30 10.62 7.59 13.29 1512.96 125956.92 10:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:22 9631636 12645428 3317944 20.26 113324 3063616 3523656 20.23 506952 5889692 612 10:20:01 9721816 13593700 2365404 14.45 134048 3860184 2535744 14.56 696596 5559984 412016 Average: 9676726 13119564 2841674 17.36 123686 3461900 3029700 17.39 601774 5724838 206314 10:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:22 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:10:22 ens3 8.95 7.34 36.10 2.18 0.00 0.00 0.00 0.00 10:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 573.28 573.28 545.98 545.98 0.00 0.00 0.00 0.00 10:20:01 ens3 46.07 34.49 504.85 5.40 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 281.28 281.28 267.78 267.78 0.00 0.00 0.00 0.00 Average: ens3 27.14 20.65 265.84 3.76 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-10125) 05/01/26 _x86_64_ (4 CPU) 09:54:27 LINUX RESTART (4 CPU) 10:00:19 CPU %user %nice %system %iowait %steal %idle 10:10:22 all 49.76 0.00 0.72 0.03 0.08 49.41 10:10:22 0 41.01 0.00 0.83 0.03 0.08 58.05 10:10:22 1 42.45 0.00 0.65 0.01 0.07 56.82 10:10:22 2 52.17 0.00 0.55 0.00 0.07 47.21 10:10:22 3 63.39 0.00 0.87 0.07 0.09 35.57 10:20:01 all 54.85 0.00 1.40 0.06 0.09 43.61 10:20:01 0 45.18 0.00 1.27 0.04 0.08 53.42 10:20:01 1 82.89 0.00 1.50 0.04 0.10 15.47 10:20:01 2 45.44 0.00 1.24 0.08 0.08 53.16 10:20:01 3 45.87 0.00 1.59 0.06 0.08 52.40 Average: all 52.25 0.00 1.06 0.04 0.08 46.57 Average: 0 43.06 0.00 1.05 0.04 0.08 55.78 Average: 1 62.27 0.00 1.06 0.03 0.09 36.55 Average: 2 48.87 0.00 0.89 0.04 0.08 50.12 Average: 3 54.81 0.00 1.22 0.07 0.08 43.81