---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15501 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 9.1G 69G 12% / 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 611 11971 4 3406 15035 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:a1:6f:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84953sec preferred_lft 84953sec inet6 fe80::f816:3eff:fea1:6ff8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:cc:bf:8a:5a:b8 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-15501) 03/23/26 _x86_64_ (4 CPU) 19:06:45 LINUX RESTART (4 CPU) 19:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:22 10.86 2.08 8.33 0.44 127.34 2308.86 215.47 19:30:04 2.92 0.06 2.77 0.09 6.48 365.96 13.01 Average: 6.95 1.09 5.59 0.27 67.86 1352.71 115.83 19:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:22 10270316 13292836 2669892 16.31 113540 3076264 2984460 17.13 511796 5249520 7868 19:30:04 12363068 15482864 478940 2.93 117416 3161112 1004128 5.76 538312 3113392 14312 Average: 11316692 14387850 1574416 9.62 115478 3118688 1994294 11.45 525054 4181456 11090 19:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:22 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 19:20:22 ens3 74.86 57.86 654.80 6.74 0.00 0.00 0.00 0.00 19:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:04 lo 0.53 0.53 0.38 0.38 0.00 0.00 0.00 0.00 19:30:04 ens3 5.86 4.82 21.27 1.28 0.00 0.00 0.00 0.00 19:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 40.90 31.76 343.02 4.05 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-15501) 03/23/26 _x86_64_ (4 CPU) 19:06:45 LINUX RESTART (4 CPU) 19:10:22 CPU %user %nice %system %iowait %steal %idle 19:20:22 all 41.38 0.00 0.94 0.09 0.08 57.52 19:20:22 0 42.45 0.00 0.80 0.10 0.07 56.58 19:20:22 1 39.02 0.00 0.84 0.03 0.08 60.03 19:20:22 2 38.52 0.00 0.89 0.11 0.07 60.41 19:20:22 3 45.55 0.00 1.22 0.12 0.08 53.04 19:30:04 all 42.74 0.00 0.47 0.02 0.08 56.70 19:30:04 0 29.87 0.00 0.54 0.03 0.09 69.49 19:30:04 1 33.97 0.00 0.41 0.01 0.07 65.54 19:30:04 2 47.53 0.00 0.48 0.01 0.08 51.89 19:30:04 3 59.60 0.00 0.45 0.01 0.07 39.86 Average: all 42.05 0.00 0.71 0.05 0.08 57.11 Average: 0 36.25 0.00 0.67 0.06 0.08 62.94 Average: 1 36.54 0.00 0.63 0.02 0.08 62.74 Average: 2 42.95 0.00 0.69 0.06 0.08 56.22 Average: 3 52.46 0.00 0.84 0.07 0.08 46.55