---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-472857 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 643 10156 4 5189 15003 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:ad:f8:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84639sec preferred_lft 84639sec inet6 fe80::f816:3eff:fead:f830/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:14:6c:6d:86:bc 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-472857) 03/14/26 _x86_64_ (4 CPU) 15:06:22 LINUX RESTART (4 CPU) 15:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 49.93 0.13 41.74 8.06 5.98 1869.20 171881.64 15:30:03 36.69 0.16 19.68 16.85 4.80 1595.59 265434.31 Average: 43.29 0.14 30.68 12.47 5.39 1731.93 218815.45 15:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 9666200 12974012 2986292 18.24 150824 3292416 3295512 18.92 662732 5674472 324 15:30:03 9486132 13118360 2838940 17.34 166584 3579028 3060448 17.57 774740 5699736 19164 Average: 9576166 13046186 2912616 17.79 158704 3435722 3177980 18.24 718736 5687104 9744 15:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 24.68 24.68 5.91 5.91 0.00 0.00 0.00 0.00 15:20:01 ens3 14.49 12.27 14.50 3.75 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:03 lo 1428.37 1428.37 1334.12 1334.12 0.00 0.00 0.00 0.00 15:30:03 ens3 34.64 25.00 271.61 4.64 0.00 0.00 0.00 0.00 15:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 728.88 728.88 672.25 672.25 0.00 0.00 0.00 0.00 Average: ens3 24.60 18.66 143.49 4.19 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-472857) 03/14/26 _x86_64_ (4 CPU) 15:06:22 LINUX RESTART (4 CPU) 15:10:03 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 33.53 0.00 1.27 0.40 0.08 64.72 15:20:01 0 34.53 0.00 1.35 0.38 0.08 63.66 15:20:01 1 33.27 0.00 1.14 0.60 0.08 64.92 15:20:01 2 33.90 0.00 1.37 0.20 0.08 64.45 15:20:01 3 32.43 0.00 1.22 0.42 0.09 65.84 15:30:03 all 29.38 0.00 1.61 0.10 0.09 68.83 15:30:03 0 29.77 0.00 1.88 0.11 0.08 68.16 15:30:03 1 30.34 0.00 1.41 0.04 0.09 68.12 15:30:03 2 29.52 0.00 1.60 0.04 0.08 68.76 15:30:03 3 27.90 0.00 1.55 0.20 0.09 70.26 Average: all 31.45 0.00 1.44 0.25 0.08 66.78 Average: 0 32.14 0.00 1.62 0.24 0.08 65.92 Average: 1 31.80 0.00 1.27 0.32 0.08 66.53 Average: 2 31.70 0.00 1.49 0.12 0.08 66.61 Average: 3 30.16 0.00 1.39 0.31 0.09 68.06