---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35625 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 9.6G 68G 13% / 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 604 11384 4 4000 15042 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:b7:7b:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84892sec preferred_lft 84892sec inet6 fe80::f816:3eff:feb7:7b58/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:04:12:09:90:80 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-35625) 07/14/26 _x86_64_ (4 CPU) 01:06:18 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 25.07 1.76 20.04 3.26 89.37 3189.63 37687.69 01:30:01 7.27 0.01 6.35 0.91 0.07 398.27 21139.55 Average: 16.17 0.89 13.19 2.09 44.72 1793.96 29413.69 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9587636 13218148 2739464 16.73 132956 3610040 3045236 17.48 708220 5678244 56 01:30:01 9508748 13225728 2731096 16.68 140772 3679528 3053228 17.53 730984 5716320 24 Average: 9548192 13221938 2735280 16.71 136864 3644784 3049232 17.50 719602 5697282 40 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 26.30 26.30 6.06 6.06 0.00 0.00 0.00 0.00 01:20:01 ens3 40.09 29.25 249.64 7.40 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 38.16 38.16 9.76 9.76 0.00 0.00 0.00 0.00 01:30:01 ens3 3.45 2.49 0.85 0.73 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 32.23 32.23 7.91 7.91 0.00 0.00 0.00 0.00 Average: ens3 21.77 15.87 125.25 4.06 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-35625) 07/14/26 _x86_64_ (4 CPU) 01:06:18 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 38.14 0.00 1.42 0.13 0.10 60.21 01:20:01 0 37.59 0.00 1.57 0.10 0.10 60.64 01:20:01 1 37.77 0.00 1.26 0.19 0.11 60.67 01:20:01 2 36.94 0.00 1.47 0.08 0.10 61.41 01:20:01 3 40.27 0.00 1.37 0.14 0.10 58.13 01:30:01 all 7.71 0.00 0.44 0.03 0.07 91.76 01:30:01 0 7.75 0.00 0.51 0.02 0.07 91.66 01:30:01 1 6.71 0.00 0.45 0.06 0.06 92.71 01:30:01 2 7.92 0.00 0.44 0.05 0.07 91.53 01:30:01 3 8.45 0.00 0.34 0.01 0.07 91.13 Average: all 22.93 0.00 0.93 0.08 0.08 75.98 Average: 0 22.68 0.00 1.04 0.06 0.08 76.14 Average: 1 22.25 0.00 0.86 0.12 0.09 76.68 Average: 2 22.42 0.00 0.96 0.06 0.08 76.47 Average: 3 24.37 0.00 0.85 0.07 0.09 74.62