---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-459511 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 619 10526 4 4843 15027 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:40:a4:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84863sec preferred_lft 84863sec inet6 fe80::f816:3eff:fe40:a49a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:07:07:33:64:08 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-459511) 03/13/26 _x86_64_ (4 CPU) 07:26:46 LINUX RESTART (4 CPU) 07:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:06 5.62 0.27 5.00 0.36 26.43 860.79 889.47 07:50:03 14.41 0.52 12.83 1.06 19.13 2093.83 5818.92 Average: 10.01 0.39 8.90 0.71 22.79 1475.35 3346.38 07:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:06 8741444 11767028 4195648 25.63 113916 3075976 5284904 30.34 498344 6795496 1652 07:50:03 9847852 13426780 2531892 15.46 135372 3574788 2777096 15.94 687276 5466172 110680 Average: 9294648 12596904 3363770 20.54 124644 3325382 4031000 23.14 592810 6130834 56166 07:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:06 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 07:40:06 ens3 19.91 14.89 160.29 2.74 0.00 0.00 0.00 0.00 07:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:03 lo 337.68 337.68 321.55 321.55 0.00 0.00 0.00 0.00 07:50:03 ens3 40.20 27.34 412.22 3.85 0.00 0.00 0.00 0.00 07:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 168.62 168.62 160.46 160.46 0.00 0.00 0.00 0.00 Average: ens3 30.03 21.09 285.85 3.29 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-459511) 03/13/26 _x86_64_ (4 CPU) 07:26:46 LINUX RESTART (4 CPU) 07:30:06 CPU %user %nice %system %iowait %steal %idle 07:40:06 all 47.60 0.00 0.73 0.04 0.07 51.56 07:40:06 0 53.77 0.00 0.58 0.03 0.07 45.55 07:40:06 1 48.91 0.00 0.68 0.02 0.07 50.32 07:40:06 2 46.18 0.00 0.87 0.08 0.07 52.79 07:40:06 3 41.54 0.00 0.76 0.03 0.07 57.59 07:50:03 all 51.62 0.00 1.12 0.04 0.07 47.14 07:50:03 0 41.51 0.00 1.01 0.02 0.07 57.38 07:50:03 1 60.51 0.00 1.55 0.08 0.08 37.79 07:50:03 2 58.06 0.00 1.03 0.04 0.08 40.79 07:50:03 3 46.41 0.00 0.88 0.03 0.07 52.61 Average: all 49.61 0.00 0.92 0.04 0.07 49.36 Average: 0 47.66 0.00 0.80 0.03 0.07 51.45 Average: 1 54.69 0.00 1.11 0.05 0.07 44.07 Average: 2 52.11 0.00 0.95 0.06 0.07 46.81 Average: 3 43.97 0.00 0.82 0.03 0.07 55.11