---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37741 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 611 10586 4 4791 15035 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:bb:ff:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84673sec preferred_lft 84673sec inet6 fe80::f816:3eff:febb:ffb9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:ae:4f:8d:bc: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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-37741) 03/25/26 _x86_64_ (4 CPU) 09:47:32 LINUX RESTART (4 CPU) 09:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:03 9.29 1.73 7.36 0.20 121.41 2398.25 217.85 10:10:01 3.02 0.02 2.93 0.06 0.92 294.90 9.96 Average: 6.16 0.88 5.15 0.13 61.26 1348.14 114.06 09:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:03 9743836 12700992 3263040 19.93 111852 3011752 3526196 20.24 487272 5806740 212 10:10:01 9823588 12866080 3097304 18.92 114864 3087028 3214000 18.45 509844 5700444 6868 Average: 9783712 12783536 3180172 19.42 113358 3049390 3370098 19.34 498558 5753592 3540 09:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:03 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 10:00:03 ens3 39.05 32.20 432.46 4.85 0.00 0.00 0.00 0.00 10:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 0.50 0.50 0.36 0.36 0.00 0.00 0.00 0.00 10:10:01 ens3 3.28 2.62 2.02 0.80 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.42 0.42 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 21.19 17.43 217.56 2.83 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-37741) 03/25/26 _x86_64_ (4 CPU) 09:47:32 LINUX RESTART (4 CPU) 09:50:03 CPU %user %nice %system %iowait %steal %idle 10:00:03 all 53.89 0.00 1.00 0.12 0.13 44.86 10:00:03 0 55.44 0.00 1.07 0.04 0.13 43.32 10:00:03 1 52.45 0.00 1.02 0.15 0.13 46.25 10:00:03 2 54.50 0.00 1.02 0.15 0.13 44.20 10:00:03 3 53.18 0.00 0.87 0.16 0.12 45.66 10:10:01 all 44.06 0.00 0.50 0.02 0.10 55.32 10:10:01 0 41.02 0.00 0.54 0.04 0.10 58.30 10:10:01 1 55.99 0.00 0.51 0.02 0.12 43.36 10:10:01 2 52.97 0.00 0.47 0.01 0.11 46.44 10:10:01 3 26.34 0.00 0.48 0.02 0.08 73.09 Average: all 48.98 0.00 0.75 0.07 0.12 50.09 Average: 0 48.24 0.00 0.81 0.04 0.12 50.80 Average: 1 54.22 0.00 0.77 0.09 0.12 44.81 Average: 2 53.74 0.00 0.74 0.08 0.12 45.32 Average: 3 39.74 0.00 0.67 0.09 0.10 59.40