---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22420 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 628 10570 4 4790 15018 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:0a:a1:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84520sec preferred_lft 84520sec inet6 fe80::f816:3eff:fe0a:a1d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:e4:da:78:24:a0 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-22420) 03/24/26 _x86_64_ (4 CPU) 21:56:04 LINUX RESTART (4 CPU) 22:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 8.49 2.05 6.25 0.18 126.05 2095.33 26.26 22:20:01 2.95 0.06 2.82 0.06 6.29 323.34 8.68 Average: 5.72 1.06 4.54 0.12 66.14 1208.84 17.47 22:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 10788976 13719268 2245092 13.71 111004 2987696 2587152 14.85 480708 4767392 7772 22:20:01 10615128 13637416 2326064 14.21 114448 3068552 2591880 14.88 503172 4917584 9256 Average: 10702052 13678342 2285578 13.96 112726 3028124 2589516 14.86 491940 4842488 8514 22:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 22:10:01 ens3 71.39 53.68 652.22 6.63 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 0.50 0.50 0.36 0.36 0.00 0.00 0.00 0.00 22:20:01 ens3 4.68 3.81 20.23 0.87 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.41 0.41 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 38.01 28.73 336.05 3.75 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-22420) 03/24/26 _x86_64_ (4 CPU) 21:56:04 LINUX RESTART (4 CPU) 22:00:02 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 46.60 0.00 0.92 0.11 0.11 52.27 22:10:01 0 41.89 0.00 0.80 0.09 0.11 57.11 22:10:01 1 45.98 0.00 1.00 0.15 0.11 52.76 22:10:01 2 49.94 0.00 0.91 0.11 0.10 48.94 22:10:01 3 48.57 0.00 0.97 0.07 0.11 50.27 22:20:01 all 43.73 0.00 0.43 0.14 0.11 55.60 22:20:01 0 54.36 0.00 0.47 0.08 0.12 44.98 22:20:01 1 28.16 0.00 0.42 0.12 0.09 71.22 22:20:01 2 25.41 0.00 0.36 0.33 0.11 73.79 22:20:01 3 67.03 0.00 0.46 0.02 0.12 32.38 Average: all 45.16 0.00 0.67 0.12 0.11 53.94 Average: 0 48.13 0.00 0.63 0.09 0.11 51.04 Average: 1 37.05 0.00 0.71 0.13 0.10 62.02 Average: 2 37.65 0.00 0.64 0.22 0.10 61.39 Average: 3 57.81 0.00 0.72 0.04 0.11 41.31