---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30450 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 652 10542 4 4793 14994 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:c5:b7:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84660sec preferred_lft 84660sec inet6 fe80::f816:3eff:fec5:b730/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:da:4a:ff:3e:98 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-30450) 03/25/26 _x86_64_ (4 CPU) 07:07:36 LINUX RESTART (4 CPU) 07:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:07 7.97 1.65 6.13 0.19 118.87 2120.17 417.99 07:30:01 3.04 0.03 2.94 0.07 1.06 293.07 9.76 Average: 5.52 0.84 4.55 0.13 60.36 1212.68 215.23 07:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:07 9523576 12483680 3479992 21.25 111980 3014480 3724312 21.38 486664 6021924 304 07:30:01 9823888 12869096 3094196 18.90 114972 3089736 3229608 18.54 509216 5696000 8752 Average: 9673732 12676388 3287094 20.08 113476 3052108 3476960 19.96 497940 5858962 4528 07:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:07 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 07:20:07 ens3 23.38 20.23 223.21 3.74 0.00 0.00 0.00 0.00 07:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 0.51 0.51 0.37 0.37 0.00 0.00 0.00 0.00 07:30:01 ens3 3.21 2.45 1.93 0.71 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.41 0.41 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 13.36 11.39 113.30 2.23 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-30450) 03/25/26 _x86_64_ (4 CPU) 07:07:36 LINUX RESTART (4 CPU) 07:10:06 CPU %user %nice %system %iowait %steal %idle 07:20:07 all 53.75 0.00 1.01 0.05 0.15 45.04 07:20:07 0 59.52 0.00 1.16 0.05 0.17 39.11 07:20:07 1 53.97 0.00 1.01 0.04 0.15 44.83 07:20:07 2 50.55 0.00 1.06 0.05 0.14 48.19 07:20:07 3 50.94 0.00 0.80 0.07 0.14 48.04 07:30:01 all 42.52 0.00 0.51 0.01 0.11 56.85 07:30:01 0 50.06 0.00 0.52 0.01 0.12 49.29 07:30:01 1 29.70 0.00 0.40 0.02 0.09 69.79 07:30:01 2 59.86 0.00 0.61 0.00 0.13 39.39 07:30:01 3 30.47 0.00 0.50 0.02 0.09 68.92 Average: all 48.17 0.00 0.76 0.03 0.13 50.91 Average: 0 54.82 0.00 0.84 0.03 0.15 44.17 Average: 1 41.91 0.00 0.71 0.03 0.12 57.24 Average: 2 55.18 0.00 0.84 0.03 0.14 43.82 Average: 3 40.77 0.00 0.65 0.05 0.12 58.42