---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23454 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 633 10310 4 5045 15013 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:d9:d4:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84760sec preferred_lft 84760sec inet6 fe80::f816:3eff:fed9:d4fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:dd:8b:7e:d0:d1 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-23454) 06/03/26 _x86_64_ (4 CPU) 17:38:47 LINUX RESTART (4 CPU) 17:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:05 21.37 3.08 17.27 1.02 172.64 4295.14 739.23 18:00:05 17.04 0.21 3.31 13.51 6.72 515.76 239033.28 Average: 19.20 1.65 10.29 7.26 89.68 2405.43 119887.25 17:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:05 9675756 12811840 3150716 19.24 116328 3177452 3412760 19.59 517376 5823972 284 18:00:05 10383628 13698332 2262640 13.82 122276 3335588 2563264 14.71 563812 5056644 28172 Average: 10029692 13255086 2706678 16.53 119302 3256520 2988012 17.15 540594 5440308 14228 17:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:05 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 17:50:05 ens3 72.73 56.80 889.33 9.80 0.00 0.00 0.00 0.00 17:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:05 lo 0.79 0.79 0.39 0.39 0.00 0.00 0.00 0.00 18:00:05 ens3 8.84 7.55 43.46 2.11 0.00 0.00 0.00 0.00 18:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.65 0.65 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 40.79 32.18 466.39 5.96 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-23454) 06/03/26 _x86_64_ (4 CPU) 17:38:47 LINUX RESTART (4 CPU) 17:40:05 CPU %user %nice %system %iowait %steal %idle 17:50:05 all 51.55 0.00 1.65 0.24 0.11 46.45 17:50:05 0 50.75 0.00 1.55 0.10 0.11 47.49 17:50:05 1 50.68 0.00 1.83 0.18 0.12 47.20 17:50:05 2 51.49 0.00 1.43 0.52 0.11 46.45 17:50:05 3 53.28 0.00 1.81 0.15 0.11 44.65 18:00:05 all 46.90 0.00 0.77 0.04 0.10 52.19 18:00:05 0 41.25 0.00 0.72 0.01 0.09 57.92 18:00:05 1 50.34 0.00 0.86 0.04 0.10 48.66 18:00:05 2 46.57 0.00 0.76 0.10 0.10 52.49 18:00:05 3 49.44 0.00 0.76 0.02 0.10 49.69 Average: all 49.22 0.00 1.21 0.14 0.10 49.32 Average: 0 46.00 0.00 1.14 0.05 0.10 52.71 Average: 1 50.51 0.00 1.34 0.11 0.11 47.93 Average: 2 49.03 0.00 1.09 0.31 0.10 49.47 Average: 3 51.36 0.00 1.29 0.08 0.10 47.17