---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37449 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 621 10573 4 4794 15024 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:b7:b4:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84612sec preferred_lft 84612sec inet6 fe80::f816:3eff:feb7:b431/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:6d:fd:9c:cb:16 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-37449) 03/25/26 _x86_64_ (4 CPU) 09:44:17 LINUX RESTART (4 CPU) 09:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:37 3.40 0.07 3.19 0.14 6.97 475.43 31.37 10:10:03 8.98 0.54 8.12 0.32 20.40 1937.61 601.04 Average: 6.04 0.29 5.52 0.22 13.32 1166.32 300.55 09:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:37 8131644 11110464 4853464 29.64 112388 3032284 4912988 28.20 495064 7404864 5016 10:10:03 10203200 13592516 2368220 14.46 130308 3396120 2457996 14.11 558148 5218040 208 Average: 9167422 12351490 3610842 22.05 121348 3214202 3685492 21.15 526606 6311452 2612 09:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:37 lo 0.57 0.57 0.36 0.36 0.00 0.00 0.00 0.00 10:00:37 ens3 8.86 6.58 33.24 2.13 0.00 0.00 0.00 0.00 10:00:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:03 lo 121.19 121.19 115.13 115.13 0.00 0.00 0.00 0.00 10:10:03 ens3 35.75 25.19 433.82 3.57 0.00 0.00 0.00 0.00 10:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 57.57 57.57 54.59 54.59 0.00 0.00 0.00 0.00 Average: ens3 21.57 15.37 222.51 2.81 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-37449) 03/25/26 _x86_64_ (4 CPU) 09:44:17 LINUX RESTART (4 CPU) 09:50:06 CPU %user %nice %system %iowait %steal %idle 10:00:37 all 47.15 0.00 0.66 0.28 0.18 51.72 10:00:37 0 39.16 0.00 0.71 0.42 0.13 59.58 10:00:37 1 49.67 0.00 0.68 0.29 0.21 49.14 10:00:37 2 58.61 0.00 0.68 0.16 0.18 40.37 10:00:37 3 41.19 0.00 0.57 0.25 0.21 57.78 10:10:03 all 56.32 0.00 0.92 0.34 0.14 42.28 10:10:03 0 59.02 0.00 0.83 0.09 0.15 39.91 10:10:03 1 69.31 0.00 1.05 0.79 0.16 28.69 10:10:03 2 47.91 0.00 1.07 0.17 0.13 50.72 10:10:03 3 48.99 0.00 0.75 0.31 0.13 49.83 Average: all 51.48 0.00 0.79 0.31 0.16 47.26 Average: 0 48.55 0.00 0.77 0.26 0.14 50.28 Average: 1 58.95 0.00 0.86 0.53 0.19 39.48 Average: 2 53.56 0.00 0.86 0.16 0.16 45.26 Average: 3 44.87 0.00 0.65 0.28 0.17 54.03