---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25166 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 673 10374 4 4941 14973 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:6d:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84529sec preferred_lft 84529sec inet6 fe80::f816:3eff:fe8d:6daf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:ba:d3:e7:d8:08 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-25166) 06/05/26 _x86_64_ (4 CPU) 16:36:00 LINUX RESTART (4 CPU) 16:40:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:15 27.41 2.19 10.92 14.30 335.26 2976.85 244430.54 17:00:01 31.02 0.80 26.69 3.53 28.72 4296.16 3679.56 Average: 29.20 1.50 18.74 8.96 183.17 3631.43 124981.49 16:40:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:15 10669872 14121272 1838200 11.23 131456 3442576 2428132 13.94 617840 4694800 25012 17:00:01 8307360 12898208 3052572 18.64 168840 4461428 3564296 20.46 926400 6660628 21096 Average: 9488616 13509740 2445386 14.94 150148 3952002 2996214 17.20 772120 5677714 23054 16:40:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:15 lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 16:50:15 ens3 99.65 77.69 758.48 17.29 0.00 0.00 0.00 0.00 16:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 1578.20 1578.20 1504.57 1504.57 0.00 0.00 0.00 0.00 17:00:01 ens3 89.99 69.04 438.58 18.94 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 783.55 783.55 746.55 746.55 0.00 0.00 0.00 0.00 Average: ens3 94.86 73.40 599.76 18.11 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-25166) 06/05/26 _x86_64_ (4 CPU) 16:36:00 LINUX RESTART (4 CPU) 16:40:20 CPU %user %nice %system %iowait %steal %idle 16:50:15 all 51.99 0.00 1.72 0.09 0.08 46.12 16:50:15 0 52.12 0.00 1.93 0.14 0.09 45.72 16:50:15 1 52.72 0.00 1.83 0.07 0.08 45.30 16:50:15 2 51.44 0.00 1.52 0.04 0.08 46.91 16:50:15 3 51.67 0.00 1.58 0.13 0.08 46.55 17:00:01 all 69.12 0.00 2.70 0.05 0.11 28.02 17:00:01 0 67.47 0.00 2.94 0.07 0.11 29.41 17:00:01 1 68.82 0.00 2.50 0.03 0.11 28.54 17:00:01 2 69.02 0.00 2.52 0.05 0.11 28.30 17:00:01 3 71.16 0.00 2.84 0.07 0.11 25.83 Average: all 60.48 0.00 2.20 0.07 0.10 37.15 Average: 0 59.73 0.00 2.43 0.11 0.10 37.64 Average: 1 60.70 0.00 2.16 0.05 0.09 36.99 Average: 2 60.16 0.00 2.02 0.04 0.10 37.68 Average: 3 61.34 0.00 2.20 0.10 0.10 36.27