---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25643 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 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 663 10358 4 4967 14983 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:bb:8e:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84387sec preferred_lft 84387sec inet6 fe80::f816:3eff:febb:8ecc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:d1:8b:3a:0f:a7 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-25643) 06/07/26 _x86_64_ (4 CPU) 14:38:19 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:09 10.48 1.03 9.03 0.42 41.11 1779.00 533.14 15:00:09 15.65 2.28 12.29 1.09 137.67 3242.36 1917.94 15:10:01 29.32 0.79 24.50 4.03 27.29 4385.13 10204.36 Average: 18.41 1.37 15.21 1.83 68.74 3124.28 4177.35 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:09 12506124 15173488 793460 4.85 107296 2744268 1361400 7.81 388060 3149352 96756 15:00:09 10030408 13648988 2307916 14.10 145208 3575080 2507672 14.39 651700 5265504 52192 15:10:01 10661692 15388120 560564 3.42 175956 4574712 1102648 6.33 938748 4256404 252 Average: 11066075 14736865 1220647 7.46 142820 3631353 1657240 9.51 659503 4223753 49733 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:09 lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 14:50:09 ens3 35.16 29.32 470.58 4.68 0.00 0.00 0.00 0.00 14:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:09 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 15:00:09 ens3 95.59 76.42 494.22 20.66 0.00 0.00 0.00 0.00 15:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1447.32 1447.32 1369.00 1369.00 0.00 0.00 0.00 0.00 15:10:01 ens3 112.22 97.00 424.49 157.81 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 476.85 476.85 450.59 450.59 0.00 0.00 0.00 0.00 Average: ens3 80.66 67.29 463.29 60.40 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-25643) 06/07/26 _x86_64_ (4 CPU) 14:38:19 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:09 all 1.66 0.00 0.28 0.07 0.03 97.97 14:50:09 0 1.63 0.00 0.41 0.14 0.03 97.78 14:50:09 1 1.61 0.00 0.21 0.08 0.03 98.06 14:50:09 2 2.16 0.00 0.30 0.02 0.03 97.48 14:50:09 3 1.23 0.00 0.17 0.03 0.02 98.55 15:00:09 all 72.17 0.00 2.23 0.05 0.09 25.46 15:00:09 0 71.91 0.00 2.15 0.04 0.10 25.81 15:00:09 1 71.98 0.00 2.28 0.06 0.10 25.59 15:00:09 2 71.05 0.00 2.01 0.03 0.10 26.82 15:00:09 3 73.74 0.00 2.49 0.07 0.09 23.61 15:10:01 all 55.45 0.00 2.30 0.08 0.09 42.08 15:10:01 0 54.73 0.00 2.55 0.07 0.09 42.57 15:10:01 1 60.23 0.00 2.15 0.14 0.09 37.39 15:10:01 2 53.78 0.00 2.12 0.03 0.08 43.98 15:10:01 3 53.07 0.00 2.40 0.07 0.09 44.37 Average: all 42.84 0.00 1.59 0.06 0.07 55.43 Average: 0 42.52 0.00 1.70 0.08 0.07 55.63 Average: 1 44.37 0.00 1.54 0.09 0.07 53.93 Average: 2 42.06 0.00 1.47 0.03 0.07 56.37 Average: 3 42.41 0.00 1.68 0.06 0.07 55.79