---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53723 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 681 10049 4 5258 14964 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:6d:e4:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85067sec preferred_lft 85067sec inet6 fe80::f816:3eff:fe6d:e4d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:a2:2e:7a:ce:b5 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-53723) 03/28/26 _x86_64_ (4 CPU) 05:29:00 LINUX RESTART (4 CPU) 05:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 22.51 3.22 18.14 1.16 161.54 3999.49 5906.55 05:50:01 18.29 0.70 16.46 1.12 76.43 6958.74 3457.67 Average: 20.36 1.94 17.29 1.14 118.28 5503.71 4661.76 05:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 10908584 13965684 1996524 12.19 134784 3070224 2292736 13.16 554292 4546088 9872 05:50:01 8887596 14025228 1926420 11.77 181252 4986648 2215508 12.72 978896 6015588 90104 Average: 9898090 13995456 1961472 11.98 158018 4028436 2254122 12.94 766594 5280838 49988 05:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 2.59 2.59 0.24 0.24 0.00 0.00 0.00 0.00 05:40:01 ens3 73.51 60.99 544.06 14.09 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 2.06 2.06 0.19 0.19 0.00 0.00 0.00 0.00 05:50:01 ens3 112.29 92.43 581.53 23.56 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.32 2.32 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 93.22 76.97 563.11 18.91 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-53723) 03/28/26 _x86_64_ (4 CPU) 05:29:00 LINUX RESTART (4 CPU) 05:30:20 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 55.43 0.00 1.76 0.13 0.09 42.60 05:40:01 0 54.57 0.00 1.76 0.25 0.09 43.33 05:40:01 1 55.38 0.00 2.04 0.07 0.09 42.42 05:40:01 2 54.68 0.00 1.55 0.10 0.09 43.59 05:40:01 3 57.07 0.00 1.69 0.10 0.09 41.06 05:50:01 all 58.24 0.00 2.10 0.14 0.09 39.43 05:50:01 0 56.59 0.00 1.84 0.23 0.09 41.25 05:50:01 1 62.12 0.00 2.56 0.08 0.09 35.15 05:50:01 2 57.54 0.00 1.92 0.06 0.09 40.38 05:50:01 3 56.70 0.00 2.08 0.20 0.09 40.93 Average: all 56.85 0.00 1.93 0.14 0.09 40.99 Average: 0 55.59 0.00 1.80 0.24 0.09 42.27 Average: 1 58.81 0.00 2.30 0.07 0.09 38.72 Average: 2 56.13 0.00 1.74 0.08 0.09 41.96 Average: 3 56.88 0.00 1.89 0.15 0.09 40.99