---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9453 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 675 10587 4 4726 14971 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:30:69:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84750sec preferred_lft 84750sec inet6 fe80::f816:3eff:fe30:692f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:0d:90:4a:4b:af 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9453) 04/28/26 _x86_64_ (4 CPU) 22:59:41 LINUX RESTART (4 CPU) 23:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:00 52.95 10.52 41.18 1.24 1444.28 9025.98 2645.07 23:20:00 24.59 0.78 20.71 3.09 28.11 3200.31 9958.46 Average: 38.77 5.65 30.95 2.17 736.21 6113.19 6301.70 23:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:00 10688236 13847276 2113744 12.91 125896 3170980 2446928 14.05 534616 4787512 26488 23:20:00 9268124 13332924 2619952 16.00 163596 3963644 2823468 16.21 758616 5896868 65636 Average: 9978180 13590100 2366848 14.46 144746 3567312 2635198 15.13 646616 5342190 46062 23:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:00 lo 1.10 1.10 0.13 0.13 0.00 0.00 0.00 0.00 23:10:00 ens3 142.69 109.45 1013.58 24.09 0.00 0.00 0.00 0.00 23:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:00 lo 1267.85 1267.85 1208.33 1208.33 0.00 0.00 0.00 0.00 23:20:00 ens3 89.08 67.22 327.05 18.97 0.00 0.00 0.00 0.00 23:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 634.46 634.46 604.22 604.22 0.00 0.00 0.00 0.00 Average: ens3 115.88 88.33 670.32 21.53 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9453) 04/28/26 _x86_64_ (4 CPU) 22:59:41 LINUX RESTART (4 CPU) 23:00:00 CPU %user %nice %system %iowait %steal %idle 23:10:00 all 44.95 0.00 1.80 0.40 0.08 52.77 23:10:00 0 44.31 0.00 1.86 0.43 0.07 53.33 23:10:00 1 44.27 0.00 1.64 0.26 0.07 53.75 23:10:00 2 45.74 0.00 1.95 0.26 0.08 51.97 23:10:00 3 45.48 0.00 1.74 0.66 0.08 52.04 23:20:00 all 69.16 0.00 2.71 0.05 0.10 27.97 23:20:00 0 68.81 0.00 2.89 0.06 0.10 28.14 23:20:00 1 70.88 0.00 2.77 0.06 0.10 26.19 23:20:00 2 68.46 0.00 2.62 0.04 0.10 28.78 23:20:00 3 68.51 0.00 2.57 0.05 0.10 28.78 Average: all 57.05 0.00 2.25 0.23 0.09 40.38 Average: 0 56.55 0.00 2.37 0.24 0.09 40.74 Average: 1 57.57 0.00 2.20 0.16 0.09 39.98 Average: 2 57.09 0.00 2.28 0.15 0.09 40.38 Average: 3 57.00 0.00 2.15 0.35 0.09 40.41