---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-2500 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: 5599.86 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 14G 64G 18% / 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 625 8532 4 6831 15021 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:27:ba:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.253/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85202sec preferred_lft 85202sec inet6 fe80::f816:3eff:fe27:ba47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:f0:9b:4e:d4:31 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-2500) 03/31/26 _x86_64_ (4 CPU) 18:37:29 LINUX RESTART (4 CPU) 18:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:00 186.22 1.52 184.34 0.36 97.95 12803.05 2546.83 Average: 186.22 1.52 184.34 0.36 97.95 12803.05 2546.83 18:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:00 7025740 13052584 2876584 17.57 297976 5497404 2773912 15.92 1015528 7554212 33016 Average: 7025740 13052584 2876584 17.57 297976 5497404 2773912 15.92 1015528 7554212 33016 18:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:00 lo 0.29 0.29 0.06 0.06 0.00 0.00 0.00 0.00 18:50:00 ens3 172.87 138.89 1036.47 31.05 0.00 0.00 0.00 0.00 18:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.29 0.29 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 172.87 138.89 1036.47 31.05 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-2500) 03/31/26 _x86_64_ (4 CPU) 18:37:29 LINUX RESTART (4 CPU) 18:40:00 CPU %user %nice %system %iowait %steal %idle 18:50:00 all 31.43 0.00 3.00 0.17 0.07 65.33 18:50:00 0 30.40 0.00 3.28 0.09 0.08 66.15 18:50:00 1 30.81 0.00 2.96 0.18 0.08 65.98 18:50:00 2 33.27 0.00 3.38 0.27 0.07 63.01 18:50:00 3 31.22 0.00 2.37 0.17 0.07 66.17 Average: all 31.43 0.00 3.00 0.17 0.07 65.33 Average: 0 30.40 0.00 3.28 0.09 0.08 66.15 Average: 1 30.81 0.00 2.96 0.18 0.08 65.98 Average: 2 33.27 0.00 3.38 0.27 0.07 63.01 Average: 3 31.22 0.00 2.37 0.17 0.07 66.17