---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16572 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: 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 651 10034 4 5302 14994 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:9a:99:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84484sec preferred_lft 84484sec inet6 fe80::f816:3eff:fe9a:9994/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:14:0e:9b:90:ac 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-16572) 05/18/26 _x86_64_ (4 CPU) 18:24:01 LINUX RESTART (4 CPU) 18:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:41 43.49 0.02 36.92 6.55 0.59 1620.48 137450.48 18:50:06 29.13 0.17 24.89 4.08 5.51 2532.64 30007.35 Average: 36.75 0.09 31.27 5.39 2.90 2048.57 87025.90 18:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:41 9663980 13017720 2942128 17.97 153668 3332472 3198712 18.36 673880 5657524 44 18:50:06 9381280 13196484 2759244 16.85 173096 3740752 2974800 17.08 812896 5752552 21364 Average: 9522630 13107102 2850686 17.41 163382 3536612 3086756 17.72 743388 5705038 10704 18:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:41 lo 36.84 36.84 8.81 8.81 0.00 0.00 0.00 0.00 18:40:41 ens3 14.26 11.29 13.76 3.78 0.00 0.00 0.00 0.00 18:40:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:06 lo 1761.37 1761.37 1660.97 1660.97 0.00 0.00 0.00 0.00 18:50:06 ens3 57.84 42.82 295.89 11.09 0.00 0.00 0.00 0.00 18:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 846.18 846.18 784.19 784.19 0.00 0.00 0.00 0.00 Average: ens3 34.71 26.09 146.17 7.21 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-16572) 05/18/26 _x86_64_ (4 CPU) 18:24:01 LINUX RESTART (4 CPU) 18:30:01 CPU %user %nice %system %iowait %steal %idle 18:40:41 all 26.40 0.00 1.05 0.36 0.09 72.10 18:40:41 0 25.77 0.00 1.00 0.07 0.09 73.07 18:40:41 1 25.32 0.00 0.98 0.10 0.09 73.51 18:40:41 2 27.57 0.00 1.15 0.61 0.09 70.57 18:40:41 3 26.94 0.00 1.06 0.66 0.09 71.25 18:50:06 all 42.08 0.00 2.04 0.48 0.09 55.31 18:50:06 0 41.05 0.00 2.03 1.00 0.09 55.82 18:50:06 1 42.92 0.00 1.99 0.32 0.09 54.68 18:50:06 2 42.12 0.00 1.99 0.33 0.10 55.46 18:50:06 3 42.22 0.00 2.15 0.26 0.09 55.27 Average: all 33.75 0.00 1.51 0.42 0.09 64.23 Average: 0 32.94 0.00 1.48 0.51 0.09 64.98 Average: 1 33.57 0.00 1.45 0.20 0.09 64.69 Average: 2 34.40 0.00 1.54 0.48 0.09 63.48 Average: 3 34.10 0.00 1.57 0.47 0.09 63.76