---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5630 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 590 10345 4 5053 15056 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:62:68:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84786sec preferred_lft 84786sec inet6 fe80::f816:3eff:fe62:685f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:78:d9:54:07:81 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-5630) 03/18/26 _x86_64_ (4 CPU) 18:28:06 LINUX RESTART (4 CPU) 18:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:01 24.77 3.60 20.04 1.12 185.77 6762.33 3223.08 18:50:13 3.25 0.00 3.23 0.01 0.04 3531.14 0.27 Average: 13.90 1.79 11.55 0.56 91.94 5130.00 1594.99 18:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:01 8479208 12305592 3652868 22.31 129236 3827060 3844708 22.07 602528 6882156 252 18:50:13 7219196 12164948 3790168 23.15 130044 4915236 3961844 22.74 603652 8118724 14720 Average: 7849202 12235270 3721518 22.73 129640 4371148 3903276 22.40 603090 7500440 7486 18:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:01 lo 103.08 103.08 96.86 96.86 0.00 0.00 0.00 0.00 18:40:01 ens3 95.82 73.96 1161.34 10.78 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:13 lo 1.67 1.67 0.25 0.25 0.00 0.00 0.00 0.00 18:50:13 ens3 0.38 0.19 0.09 0.10 0.00 0.00 0.00 0.00 18:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 51.85 51.85 48.05 48.05 0.00 0.00 0.00 0.00 Average: ens3 47.61 36.69 574.70 5.38 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-5630) 03/18/26 _x86_64_ (4 CPU) 18:28:06 LINUX RESTART (4 CPU) 18:30:01 CPU %user %nice %system %iowait %steal %idle 18:40:01 all 32.63 0.00 1.22 1.12 0.08 64.96 18:40:01 0 32.87 0.00 1.21 0.86 0.08 64.97 18:40:01 1 31.86 0.00 1.11 1.18 0.08 65.77 18:40:01 2 32.39 0.00 1.20 0.81 0.07 65.52 18:40:01 3 33.38 0.00 1.35 1.63 0.08 63.55 18:50:13 all 2.05 0.00 0.15 0.34 0.03 97.43 18:50:13 0 1.53 0.00 0.17 1.01 0.03 97.26 18:50:13 1 3.22 0.00 0.15 0.11 0.04 96.49 18:50:13 2 2.02 0.00 0.15 0.11 0.03 97.68 18:50:13 3 1.44 0.00 0.13 0.12 0.04 98.27 Average: all 17.17 0.00 0.68 0.72 0.06 81.38 Average: 0 17.05 0.00 0.68 0.94 0.06 81.28 Average: 1 17.38 0.00 0.62 0.64 0.06 81.30 Average: 2 17.03 0.00 0.67 0.46 0.05 81.79 Average: 3 17.22 0.00 0.73 0.87 0.06 81.13