---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-2495 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 13G 65G 17% / 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 612 9219 4 6157 15034 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:fa:2e:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.154/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84810sec preferred_lft 84810sec inet6 fe80::f816:3eff:fefa:2e05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:19:a9:ec:76:07 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-v1-8c-8g-2495) 04/17/26 _x86_64_ (4 CPU) 18:56:31 LINUX RESTART (4 CPU) 19:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:05 30.92 2.53 27.36 1.03 531.89 1596.45 3312.33 19:20:02 23.13 2.25 20.21 0.66 123.95 13725.56 6436.46 Average: 27.03 2.39 23.79 0.85 328.46 7644.94 4870.26 19:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:05 13022984 15530432 451828 2.76 99856 2603872 1016396 5.83 406544 2637836 276936 19:20:02 9425544 15375944 574016 3.51 187948 5801416 1130636 6.49 1222820 5234760 1728 Average: 11224264 15453188 512922 3.13 143902 4202644 1073516 6.16 814682 3936298 139332 19:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:05 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 19:10:05 ens3 33.26 22.30 346.17 6.85 0.00 0.00 0.00 0.00 19:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:02 lo 4.78 4.78 1.10 1.10 0.00 0.00 0.00 0.00 19:20:02 ens3 252.39 230.27 1341.87 71.29 0.00 0.00 0.00 0.00 19:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.52 2.52 0.56 0.56 0.00 0.00 0.00 0.00 Average: ens3 142.53 126.01 842.70 38.99 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-v1-8c-8g-2495) 04/17/26 _x86_64_ (4 CPU) 18:56:31 LINUX RESTART (4 CPU) 19:00:05 CPU %user %nice %system %iowait %steal %idle 19:10:05 all 2.57 0.00 0.34 0.28 0.02 96.78 19:10:05 0 2.55 0.00 0.27 0.06 0.01 97.10 19:10:05 1 1.19 0.00 0.31 0.19 0.03 98.28 19:10:05 2 2.63 0.00 0.40 0.63 0.02 96.31 19:10:05 3 3.92 0.00 0.39 0.23 0.02 95.45 19:20:02 all 42.37 0.00 2.95 0.16 0.08 54.44 19:20:02 0 43.14 0.00 3.47 0.15 0.08 53.16 19:20:02 1 44.11 0.00 2.86 0.15 0.08 52.80 19:20:02 2 42.37 0.00 2.84 0.16 0.08 54.54 19:20:02 3 39.84 0.00 2.64 0.19 0.08 57.26 Average: all 22.38 0.00 1.64 0.22 0.05 75.71 Average: 0 22.78 0.00 1.87 0.10 0.05 75.21 Average: 1 22.55 0.00 1.58 0.17 0.05 75.65 Average: 2 22.42 0.00 1.62 0.40 0.05 75.52 Average: 3 21.78 0.00 1.51 0.21 0.05 76.46