---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-472165 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 15% / 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 749 9722 4 5517 14897 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:36:4a:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84451sec preferred_lft 84451sec inet6 fe80::f816:3eff:fe36:4a9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:0f:b3:b8:5e:eb 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-472165) 03/14/26 _x86_64_ (4 CPU) 13:22:49 LINUX RESTART (4 CPU) 13:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:21 41.61 0.15 25.12 16.33 6.17 2827.96 242791.48 13:50:01 26.23 0.04 23.49 2.69 1.60 5736.70 12986.98 Average: 34.12 0.10 24.33 9.69 3.95 4243.90 130925.55 13:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:21 8716896 12640312 3315180 20.25 162576 3840704 3470532 19.92 771028 6434064 181128 13:50:01 8132176 13005752 2944336 17.98 184124 4717548 3022688 17.35 879660 6873152 42464 Average: 8424536 12823032 3129758 19.12 173350 4279126 3246610 18.64 825344 6653608 111796 13:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:21 lo 1569.78 1569.78 1496.94 1496.94 0.00 0.00 0.00 0.00 13:40:21 ens3 35.06 29.33 78.36 9.20 0.00 0.00 0.00 0.00 13:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 591.89 591.89 563.29 563.29 0.00 0.00 0.00 0.00 13:50:01 ens3 52.40 41.85 218.44 11.14 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1093.76 1093.76 1042.45 1042.45 0.00 0.00 0.00 0.00 Average: ens3 43.50 35.42 146.55 10.14 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-472165) 03/14/26 _x86_64_ (4 CPU) 13:22:49 LINUX RESTART (4 CPU) 13:30:11 CPU %user %nice %system %iowait %steal %idle 13:40:21 all 63.39 0.00 2.52 0.08 0.09 33.92 13:40:21 0 63.33 0.00 2.46 0.05 0.09 34.07 13:40:21 1 62.16 0.00 2.51 0.12 0.09 35.12 13:40:21 2 65.16 0.00 2.66 0.06 0.09 32.03 13:40:21 3 62.92 0.00 2.45 0.10 0.09 34.44 13:50:01 all 60.83 0.00 2.24 0.06 0.09 36.80 13:50:01 0 61.29 0.00 2.32 0.04 0.08 36.27 13:50:01 1 61.12 0.00 2.39 0.05 0.09 36.36 13:50:01 2 61.52 0.00 2.36 0.05 0.09 35.99 13:50:01 3 59.39 0.00 1.86 0.10 0.08 38.57 Average: all 62.14 0.00 2.38 0.07 0.09 35.32 Average: 0 62.34 0.00 2.39 0.04 0.08 35.14 Average: 1 61.65 0.00 2.45 0.08 0.09 35.72 Average: 2 63.38 0.00 2.52 0.05 0.09 33.96 Average: 3 61.20 0.00 2.17 0.10 0.09 36.45