---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29992 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 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 647 10321 4 5019 14999 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:76:4b:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84563sec preferred_lft 84563sec inet6 fe80::f816:3eff:fe76:4b5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:8e:a8:70:f3:dc 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-29992) 03/25/26 _x86_64_ (4 CPU) 07:00:21 LINUX RESTART (4 CPU) 07:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 3.89 0.07 3.67 0.15 6.90 556.22 21.15 07:30:00 21.10 0.52 18.68 1.90 19.78 3091.86 15406.37 Average: 12.54 0.30 11.22 1.03 13.38 1830.89 7755.34 07:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 9341472 12587528 3373852 20.61 117928 3285920 3542088 20.33 592072 6097656 236 07:30:00 10636336 15408644 546780 3.34 140416 4730684 1039920 5.97 965668 4350660 885892 Average: 9988904 13998086 1960316 11.97 129172 4008302 2291004 13.15 778870 5224158 443064 07:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 07:20:01 ens3 8.51 7.22 36.53 2.20 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 lo 480.09 480.09 457.44 457.44 0.00 0.00 0.00 0.00 07:30:00 ens3 51.54 38.12 485.78 17.92 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 241.64 241.64 230.14 230.14 0.00 0.00 0.00 0.00 Average: ens3 30.14 22.76 262.37 10.10 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-29992) 03/25/26 _x86_64_ (4 CPU) 07:00:21 LINUX RESTART (4 CPU) 07:10:09 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 50.33 0.00 0.69 0.27 0.10 48.63 07:20:01 0 34.94 0.00 0.80 0.77 0.09 63.41 07:20:01 1 47.77 0.00 0.59 0.03 0.09 51.50 07:20:01 2 50.38 0.00 0.64 0.20 0.09 48.69 07:20:01 3 68.18 0.00 0.72 0.06 0.11 30.93 07:30:00 all 58.04 0.00 1.51 0.12 0.11 40.22 07:30:00 0 71.78 0.00 1.48 0.18 0.12 26.43 07:30:00 1 54.60 0.00 1.38 0.10 0.10 43.82 07:30:00 2 55.60 0.00 1.85 0.14 0.11 42.30 07:30:00 3 50.18 0.00 1.32 0.06 0.11 48.34 Average: all 54.21 0.00 1.10 0.19 0.10 44.40 Average: 0 53.49 0.00 1.14 0.48 0.11 44.79 Average: 1 51.20 0.00 0.99 0.07 0.10 47.64 Average: 2 53.00 0.00 1.25 0.17 0.10 45.48 Average: 3 59.13 0.00 1.02 0.06 0.11 39.68