---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-443 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 68G 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 605 10462 4 4920 15040 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:8d:55:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84798sec preferred_lft 84798sec inet6 fe80::f816:3eff:fe8d:5511/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:91:6d:2c:22:c5 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-443) 01/15/26 _x86_64_ (4 CPU) 09:54:26 LINUX RESTART (4 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:08 4.15 0.07 3.90 0.17 6.90 581.45 445.09 10:20:08 22.67 0.65 20.08 1.94 25.59 4606.39 10370.48 Average: 13.35 0.36 11.94 1.05 16.18 2580.76 5375.33 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:08 9518200 12699076 3263636 19.93 113908 3232276 3519884 20.20 698592 5811112 764 10:20:08 10537464 15218476 737704 4.51 138136 4649904 1105396 6.34 1065864 4360864 416032 Average: 10027832 13958776 2000670 12.22 126022 3941090 2312640 13.27 882228 5085988 208398 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:08 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:10:08 ens3 10.04 8.26 37.06 2.32 0.00 0.00 0.00 0.00 10:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:08 lo 475.36 475.36 451.10 451.10 0.00 0.00 0.00 0.00 10:20:08 ens3 49.36 39.28 470.07 49.45 0.00 0.00 0.00 0.00 10:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 236.43 236.43 224.26 224.26 0.00 0.00 0.00 0.00 Average: ens3 29.57 23.67 252.15 25.73 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-443) 01/15/26 _x86_64_ (4 CPU) 09:54:26 LINUX RESTART (4 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:08 all 48.69 0.00 0.72 0.07 0.07 50.45 10:10:08 0 46.70 0.00 0.63 0.01 0.07 52.59 10:10:08 1 54.33 0.00 0.82 0.23 0.08 44.54 10:10:08 2 48.40 0.00 0.74 0.02 0.07 50.77 10:10:08 3 45.33 0.00 0.70 0.01 0.07 53.88 10:20:08 all 52.27 0.00 1.38 0.12 0.07 46.16 10:20:08 0 44.27 0.00 1.19 0.09 0.07 54.38 10:20:08 1 68.66 0.00 1.61 0.20 0.08 29.46 10:20:08 2 57.11 0.00 1.63 0.08 0.07 41.11 10:20:08 3 39.08 0.00 1.11 0.09 0.07 59.65 Average: all 50.46 0.00 1.05 0.09 0.07 48.32 Average: 0 45.50 0.00 0.91 0.05 0.07 53.48 Average: 1 61.45 0.00 1.21 0.21 0.08 37.05 Average: 2 52.72 0.00 1.18 0.05 0.07 45.97 Average: 3 42.22 0.00 0.90 0.05 0.07 56.75