---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-345299 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: 5600.00 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 12G 67G 15% / 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 644 9568 4 5776 15002 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:f0:2d:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84729sec preferred_lft 84729sec inet6 fe80::f816:3eff:fef0:2d9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:e9:a6:0f:8b:82 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 inet6 fe80::50e9:a6ff:fe0f:8b82/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-345299) 03/09/26 _x86_64_ (4 CPU) 14:29:55 LINUX RESTART (4 CPU) 14:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:17 69.76 10.85 44.38 14.53 1465.33 9638.35 234747.07 14:50:17 30.30 0.81 26.20 3.29 27.20 4425.88 1877.81 Average: 50.31 5.90 35.42 8.99 756.63 7069.66 119989.81 14:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:17 10425324 13631880 2328908 14.22 127792 3210268 2599540 14.92 568120 5001904 40824 14:50:17 10872276 15367704 584792 3.57 166544 4365424 1173924 6.74 906360 4080888 122880 Average: 10648800 14499792 1456850 8.90 147168 3787846 1886732 10.83 737240 4541396 81852 14:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:17 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 14:40:17 ens3 126.00 94.19 879.23 25.81 0.00 0.00 0.00 0.00 14:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:17 lo 1580.57 1580.57 1506.49 1506.49 0.00 0.00 0.00 0.00 14:50:17 ens3 56.35 45.20 439.62 10.31 0.00 0.00 0.00 0.00 14:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 779.64 779.64 742.47 742.47 0.00 0.00 0.00 0.00 Average: ens3 91.68 70.05 662.59 18.17 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-345299) 03/09/26 _x86_64_ (4 CPU) 14:29:55 LINUX RESTART (4 CPU) 14:30:00 CPU %user %nice %system %iowait %steal %idle 14:40:17 all 63.99 0.00 2.61 0.51 0.10 32.79 14:40:17 0 63.87 0.00 2.60 0.91 0.10 32.52 14:40:17 1 65.69 0.00 2.59 0.28 0.11 31.33 14:40:17 2 62.61 0.00 2.65 0.27 0.10 34.36 14:40:17 3 63.79 0.00 2.60 0.58 0.10 32.94 14:50:17 all 69.72 0.00 2.82 0.12 0.10 27.24 14:50:17 0 66.15 0.00 2.85 0.11 0.10 30.79 14:50:17 1 72.74 0.00 3.09 0.21 0.10 23.86 14:50:17 2 68.65 0.00 2.47 0.09 0.10 28.68 14:50:17 3 71.36 0.00 2.87 0.07 0.09 25.61 Average: all 66.82 0.00 2.71 0.32 0.10 30.05 Average: 0 64.99 0.00 2.72 0.52 0.10 31.67 Average: 1 69.17 0.00 2.84 0.24 0.10 27.65 Average: 2 65.59 0.00 2.56 0.18 0.10 31.56 Average: 3 67.52 0.00 2.73 0.33 0.09 29.33