---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53016 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 674 10161 4 5152 14971 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:da:53:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84618sec preferred_lft 84618sec inet6 fe80::f816:3eff:feda:534e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:68:08:b0:7a:f5 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-53016) 03/26/26 _x86_64_ (4 CPU) 02:42:16 LINUX RESTART (4 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:01 25.32 0.52 9.99 14.81 18.95 2437.75 237043.33 03:10:01 30.26 0.69 25.41 4.15 23.31 3586.63 11003.72 Average: 27.79 0.61 17.70 9.48 21.13 3012.19 124023.53 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:01 9017676 13105756 2847656 17.39 161252 3999820 3243664 18.62 864392 6043512 69960 03:10:01 10452740 15368944 579288 3.54 181932 4759128 1110888 6.38 1083748 4322608 4 Average: 9735208 14237350 1713472 10.47 171592 4379474 2177276 12.50 974070 5183060 34982 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 03:00:01 ens3 75.10 55.83 144.51 17.97 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 lo 1582.12 1582.12 1499.23 1499.23 0.00 0.00 0.00 0.00 03:10:01 ens3 95.37 81.23 351.21 155.42 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 791.77 791.77 749.69 749.69 0.00 0.00 0.00 0.00 Average: ens3 85.23 68.53 247.86 86.70 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-53016) 03/26/26 _x86_64_ (4 CPU) 02:42:16 LINUX RESTART (4 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:01 all 70.80 0.00 2.20 0.73 0.10 26.16 03:00:01 0 73.13 0.00 2.38 0.25 0.10 24.14 03:00:01 1 70.15 0.00 2.14 2.37 0.10 25.24 03:00:01 2 71.05 0.00 1.95 0.15 0.10 26.76 03:00:01 3 68.90 0.00 2.34 0.15 0.10 28.51 03:10:01 all 37.01 0.00 1.81 1.84 0.07 59.26 03:10:01 0 32.33 0.00 1.64 0.26 0.06 65.71 03:10:01 1 37.96 0.00 1.65 0.17 0.07 60.14 03:10:01 2 37.29 0.00 2.00 0.30 0.07 60.34 03:10:01 3 40.48 0.00 1.97 6.64 0.08 50.84 Average: all 53.90 0.00 2.01 1.29 0.08 42.71 Average: 0 52.72 0.00 2.01 0.26 0.08 44.93 Average: 1 54.04 0.00 1.90 1.27 0.08 42.70 Average: 2 54.16 0.00 1.97 0.23 0.09 43.55 Average: 3 54.69 0.00 2.16 3.40 0.09 39.67