---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40036 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 762 9434 4 5791 14883 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:1f:3c:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84271sec preferred_lft 84271sec inet6 fe80::f816:3eff:fe1f:3c3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:3b:3b:bb:64:7d 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-40036) 08/22/26 _x86_64_ (4 CPU) 12:35:24 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:04 18.42 2.64 14.81 0.97 146.88 4155.93 1244.30 13:00:16 36.16 0.06 32.23 3.88 1.27 3554.83 28715.94 13:10:01 20.23 0.16 17.78 2.29 11.11 5978.83 2311.15 Average: 25.05 0.96 21.70 2.39 53.20 4544.00 10938.58 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:04 9751968 13482932 2474288 15.11 154548 3665036 2650748 15.22 678212 5496112 58836 13:00:16 9047016 13385188 2566964 15.68 187796 4189828 2727552 15.66 849112 5988988 16616 13:10:01 9717996 15290104 655868 4.01 208844 5334940 1146852 6.58 940732 5149356 12828 Average: 9505660 14052741 1899040 11.60 183729 4396601 2175051 12.48 822685 5544819 29427 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:04 lo 431.35 431.35 410.96 410.96 0.00 0.00 0.00 0.00 12:50:04 ens3 102.08 80.54 882.11 15.75 0.00 0.00 0.00 0.00 12:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:16 lo 1807.71 1807.71 1723.67 1723.67 0.00 0.00 0.00 0.00 13:00:16 ens3 52.18 40.74 158.14 11.95 0.00 0.00 0.00 0.00 13:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 12.23 12.23 1.26 1.26 0.00 0.00 0.00 0.00 13:10:01 ens3 96.20 84.18 132.78 235.26 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 763.42 763.42 724.44 724.44 0.00 0.00 0.00 0.00 Average: ens3 83.19 68.18 392.18 85.82 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-40036) 08/22/26 _x86_64_ (4 CPU) 12:35:24 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:04 all 43.85 0.00 1.46 0.07 0.07 54.56 12:50:04 0 45.30 0.00 1.62 0.05 0.07 52.96 12:50:04 1 40.34 0.00 1.44 0.09 0.07 58.06 12:50:04 2 45.59 0.00 1.41 0.05 0.08 52.87 12:50:04 3 44.16 0.00 1.35 0.08 0.07 54.33 13:00:16 all 62.05 0.00 2.63 0.07 0.10 35.15 13:00:16 0 61.37 0.00 2.81 0.06 0.10 35.65 13:00:16 1 63.44 0.00 2.61 0.04 0.10 33.82 13:00:16 2 61.22 0.00 2.48 0.09 0.10 36.12 13:00:16 3 62.19 0.00 2.61 0.10 0.09 35.01 13:10:01 all 44.67 0.00 1.58 0.09 0.08 53.58 13:10:01 0 47.90 0.00 1.72 0.07 0.08 50.24 13:10:01 1 46.29 0.00 1.74 0.02 0.08 51.87 13:10:01 2 40.98 0.00 1.40 0.18 0.08 57.35 13:10:01 3 43.50 0.00 1.46 0.07 0.08 54.88 Average: all 50.30 0.00 1.89 0.07 0.08 47.65 Average: 0 51.61 0.00 2.06 0.06 0.08 46.19 Average: 1 50.12 0.00 1.94 0.05 0.08 47.81 Average: 2 49.40 0.00 1.77 0.10 0.09 48.64 Average: 3 50.07 0.00 1.82 0.08 0.08 47.95