---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19326 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 12G 67G 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 737 9416 4 5835 14909 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:31:86:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84556sec preferred_lft 84556sec inet6 fe80::f816:3eff:fe31:864d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:51:27:b8:e9:8b 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-19326) 05/23/26 _x86_64_ (4 CPU) 15:47:22 LINUX RESTART (4 CPU) 15:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:04 25.60 2.70 21.03 1.86 149.13 4898.27 6293.19 16:10:01 31.84 0.03 28.34 3.46 1.33 3264.97 17827.40 Average: 28.71 1.37 24.68 2.66 75.38 4083.28 12048.59 15:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:04 9063276 13054880 2899956 17.71 158064 3912208 3278148 18.82 757380 6123064 180816 16:10:01 8101172 13411336 2536988 15.49 190856 5128216 2759984 15.84 1059432 6694288 900256 Average: 8582224 13233108 2718472 16.60 174460 4520212 3019066 17.33 908406 6408676 540536 15:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:04 lo 701.93 701.93 668.91 668.91 0.00 0.00 0.00 0.00 16:00:04 ens3 142.83 107.95 920.66 19.63 0.00 0.00 0.00 0.00 16:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1454.50 1454.50 1385.90 1385.90 0.00 0.00 0.00 0.00 16:10:01 ens3 54.54 45.32 235.84 13.51 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1077.45 1077.45 1026.68 1026.68 0.00 0.00 0.00 0.00 Average: ens3 98.78 76.70 578.94 16.58 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-19326) 05/23/26 _x86_64_ (4 CPU) 15:47:22 LINUX RESTART (4 CPU) 15:50:04 CPU %user %nice %system %iowait %steal %idle 16:00:04 all 56.60 0.00 2.02 0.09 0.09 41.20 16:00:04 0 56.84 0.00 1.90 0.09 0.09 41.08 16:00:04 1 54.95 0.00 1.98 0.07 0.09 42.90 16:00:04 2 56.56 0.00 1.83 0.05 0.10 41.47 16:00:04 3 58.05 0.00 2.38 0.15 0.09 39.33 16:10:01 all 56.65 0.00 2.42 0.08 0.09 40.76 16:10:01 0 55.00 0.00 2.23 0.07 0.09 42.61 16:10:01 1 57.13 0.00 2.28 0.05 0.09 40.46 16:10:01 2 56.19 0.00 2.69 0.12 0.09 40.91 16:10:01 3 58.27 0.00 2.49 0.07 0.09 39.07 Average: all 56.62 0.00 2.22 0.08 0.09 40.98 Average: 0 55.92 0.00 2.07 0.08 0.09 41.84 Average: 1 56.04 0.00 2.13 0.06 0.09 41.68 Average: 2 56.37 0.00 2.26 0.08 0.09 41.19 Average: 3 58.16 0.00 2.44 0.11 0.09 39.20