---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33387 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 622 10519 4 4847 15024 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:fd:99:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84792sec preferred_lft 84792sec inet6 fe80::f816:3eff:fefd:99ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:70:65:b2:8d:53 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-33387) 07/06/26 _x86_64_ (4 CPU) 09:54:32 LINUX RESTART (4 CPU) 10:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:25 4.11 0.07 3.86 0.18 6.86 567.97 142.14 10:20:18 23.50 0.81 20.70 2.00 30.67 5007.08 4961.34 Average: 13.59 0.43 12.09 1.07 18.50 2738.12 2498.10 10:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:25 9531844 12633764 3329196 20.33 115676 3141040 3532052 20.27 506144 5962576 40 10:20:18 10873832 15480348 475892 2.91 137624 4565348 1007600 5.78 867448 4204788 309632 Average: 10202838 14057056 1902544 11.62 126650 3853194 2269826 13.03 686796 5083682 154836 10:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:25 lo 0.59 0.59 0.36 0.36 0.00 0.00 0.00 0.00 10:10:25 ens3 11.37 8.54 35.46 2.41 0.00 0.00 0.00 0.00 10:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:18 lo 462.04 462.04 437.73 437.73 0.00 0.00 0.00 0.00 10:20:18 ens3 56.68 45.11 496.85 71.91 0.00 0.00 0.00 0.00 10:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 226.18 226.18 214.18 214.18 0.00 0.00 0.00 0.00 Average: ens3 33.52 26.42 261.02 36.38 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-33387) 07/06/26 _x86_64_ (4 CPU) 09:54:32 LINUX RESTART (4 CPU) 10:00:04 CPU %user %nice %system %iowait %steal %idle 10:10:25 all 48.15 0.00 0.69 0.01 0.08 51.06 10:10:25 0 44.29 0.00 0.70 0.01 0.08 54.92 10:10:25 1 63.09 0.00 0.75 0.01 0.09 36.06 10:10:25 2 40.87 0.00 0.68 0.02 0.08 58.34 10:10:25 3 44.38 0.00 0.65 0.00 0.08 54.88 10:20:18 all 53.85 0.00 1.43 0.08 0.09 44.55 10:20:18 0 41.62 0.00 1.54 0.06 0.08 56.71 10:20:18 1 48.46 0.00 1.72 0.14 0.08 49.60 10:20:18 2 46.95 0.00 1.10 0.07 0.08 51.80 10:20:18 3 78.42 0.00 1.36 0.07 0.11 20.05 Average: all 50.94 0.00 1.05 0.05 0.09 47.88 Average: 0 42.98 0.00 1.11 0.04 0.08 55.79 Average: 1 55.94 0.00 1.22 0.07 0.09 42.68 Average: 2 43.85 0.00 0.88 0.05 0.08 55.14 Average: 3 61.00 0.00 1.00 0.03 0.09 37.88