---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1572 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 651 10356 4 4981 14995 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:7d:2f:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84498sec preferred_lft 84498sec inet6 fe80::f816:3eff:fe7d:2f2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:5e:82:d1:69:9c 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1572) 03/18/26 _x86_64_ (4 CPU) 09:21:02 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:02 4.13 0.06 3.91 0.15 7.05 548.86 41.89 09:50:01 17.43 0.52 15.74 1.17 19.04 2563.47 9672.86 Average: 10.76 0.29 9.81 0.66 13.03 1554.09 4847.47 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:02 9525636 12729832 3231428 19.74 117720 3244948 3385524 19.43 579084 5922724 256 09:50:01 8912236 12798120 3159060 19.29 139824 3868572 3281168 18.83 792608 6269188 269136 Average: 9218936 12763976 3195244 19.52 128772 3556760 3333346 19.13 685846 6095956 134696 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:02 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 09:40:02 ens3 8.04 7.02 35.93 2.19 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 423.40 423.40 401.97 401.97 0.00 0.00 0.00 0.00 09:50:01 ens3 32.14 24.11 408.50 3.31 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 211.56 211.56 200.76 200.76 0.00 0.00 0.00 0.00 Average: ens3 20.07 15.54 221.83 2.75 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1572) 03/18/26 _x86_64_ (4 CPU) 09:21:02 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:02 all 49.81 0.00 0.71 0.40 0.12 48.96 09:40:02 0 43.17 0.00 0.85 0.39 0.11 55.48 09:40:02 1 68.01 0.00 0.65 0.16 0.15 31.03 09:40:02 2 42.83 0.00 0.65 0.23 0.10 56.19 09:40:02 3 45.25 0.00 0.70 0.83 0.11 53.11 09:50:01 all 57.01 0.00 1.26 1.21 0.16 40.37 09:50:01 0 44.28 0.00 1.31 1.73 0.14 52.54 09:50:01 1 73.29 0.00 1.04 1.26 0.16 24.25 09:50:01 2 61.83 0.00 1.54 1.34 0.18 35.11 09:50:01 3 48.69 0.00 1.14 0.49 0.15 49.53 Average: all 53.40 0.00 0.98 0.80 0.14 44.67 Average: 0 43.73 0.00 1.08 1.06 0.12 54.01 Average: 1 70.65 0.00 0.84 0.71 0.15 27.65 Average: 2 52.30 0.00 1.09 0.78 0.14 45.69 Average: 3 46.97 0.00 0.92 0.66 0.13 51.32