---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3874 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 708 9753 4 5526 14938 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:72:2f:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84604sec preferred_lft 84604sec inet6 fe80::f816:3eff:fe72:2f3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:37:f4:3a:06:56 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-3874) 04/17/26 _x86_64_ (4 CPU) 06:26:58 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:22 26.05 2.57 21.43 2.05 142.89 4794.19 7007.80 06:50:01 34.67 0.05 31.20 3.42 1.66 6024.49 16909.86 Average: 30.21 1.35 26.14 2.71 74.77 5387.62 11784.01 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:22 9510332 13186376 2769844 16.92 155160 3612976 3076336 17.66 708952 5739352 11904 06:50:01 7929336 12964772 2985016 18.23 187636 4868740 3151860 18.09 999552 6935212 22464 Average: 8719834 13075574 2877430 17.57 171398 4240858 3114098 17.87 854252 6337282 17184 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:22 lo 871.25 871.25 830.32 830.32 0.00 0.00 0.00 0.00 06:40:22 ens3 109.14 84.08 787.63 18.79 0.00 0.00 0.00 0.00 06:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 1352.14 1352.14 1288.67 1288.67 0.00 0.00 0.00 0.00 06:50:01 ens3 57.29 44.45 220.35 12.47 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1103.20 1103.20 1051.40 1051.40 0.00 0.00 0.00 0.00 Average: ens3 84.13 64.96 514.00 15.74 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-3874) 04/17/26 _x86_64_ (4 CPU) 06:26:58 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:22 all 63.37 0.00 2.15 0.07 0.08 34.33 06:40:22 0 60.68 0.00 1.84 0.08 0.08 37.32 06:40:22 1 65.46 0.00 2.35 0.05 0.08 32.06 06:40:22 2 63.32 0.00 1.94 0.06 0.08 34.59 06:40:22 3 64.03 0.00 2.46 0.10 0.08 33.33 06:50:01 all 58.74 0.00 2.40 0.08 0.08 38.70 06:50:01 0 61.05 0.00 2.48 0.04 0.08 36.35 06:50:01 1 57.13 0.00 2.28 0.09 0.08 40.42 06:50:01 2 57.53 0.00 2.18 0.05 0.08 40.16 06:50:01 3 59.25 0.00 2.65 0.14 0.08 37.88 Average: all 61.14 0.00 2.27 0.08 0.08 36.44 Average: 0 60.86 0.00 2.15 0.06 0.08 36.86 Average: 1 61.44 0.00 2.32 0.07 0.08 36.09 Average: 2 60.53 0.00 2.06 0.06 0.08 37.28 Average: 3 61.73 0.00 2.55 0.12 0.08 35.53