---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-496025 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: 5599.94 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 12G 66G 15% / 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 614 9428 4 5945 15032 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:ff:42:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85505sec preferred_lft 85505sec inet6 fe80::f816:3eff:feff:42cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:d0:7d:fa:d6:ad 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-496025) 03/16/26 _x86_64_ (4 CPU) 22:39:31 LINUX RESTART (4 CPU) 22:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:01 64.03 6.16 55.15 2.72 601.55 11337.28 11152.69 Average: 64.03 6.16 55.15 2.72 601.55 11337.28 11152.69 22:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:01 7711532 12547356 3407300 20.81 133776 4790936 3496760 20.07 1151800 7086000 252 Average: 7711532 12547356 3407300 20.81 133776 4790936 3496760 20.07 1151800 7086000 252 22:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:01 lo 768.07 768.07 731.84 731.84 0.00 0.00 0.00 0.00 22:50:01 ens3 156.42 117.46 1419.88 23.67 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 768.07 768.07 731.84 731.84 0.00 0.00 0.00 0.00 Average: ens3 156.42 117.46 1419.88 23.67 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-496025) 03/16/26 _x86_64_ (4 CPU) 22:39:31 LINUX RESTART (4 CPU) 22:40:01 CPU %user %nice %system %iowait %steal %idle 22:50:01 all 49.01 0.00 2.16 0.50 0.08 48.25 22:50:01 0 49.99 0.00 2.10 0.95 0.08 46.88 22:50:01 1 51.68 0.00 2.65 0.47 0.08 45.13 22:50:01 2 45.43 0.00 1.80 0.27 0.08 52.43 22:50:01 3 48.95 0.00 2.09 0.32 0.07 48.56 Average: all 49.01 0.00 2.16 0.50 0.08 48.25 Average: 0 49.99 0.00 2.10 0.95 0.08 46.88 Average: 1 51.68 0.00 2.65 0.47 0.08 45.13 Average: 2 45.43 0.00 1.80 0.27 0.08 52.43 Average: 3 48.95 0.00 2.09 0.32 0.07 48.56