---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53677 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: 5600.00 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 705 10072 4 5211 14941 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:fb:3e:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84720sec preferred_lft 84720sec inet6 fe80::f816:3eff:fefb:3e1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:06:15:b0:9f: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-53677) 03/28/26 _x86_64_ (4 CPU) 02:45:02 LINUX RESTART (4 CPU) 02:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:04 28.94 0.20 25.69 3.06 8.05 3245.89 8855.03 03:10:01 22.61 0.03 20.22 2.36 1.34 5781.84 8369.94 Average: 25.78 0.11 22.96 2.71 4.70 4509.90 8613.24 02:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:04 9584540 13275416 2680956 16.37 157220 3628816 2810416 16.13 716936 5646552 20152 03:10:01 7998264 13073024 2877260 17.57 181724 4919184 2968300 17.04 1006636 6865260 35788 Average: 8791402 13174220 2779108 16.97 169472 4274000 2889358 16.58 861786 6255906 27970 02:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:04 lo 1460.96 1460.96 1392.85 1392.85 0.00 0.00 0.00 0.00 03:00:04 ens3 27.91 24.96 91.71 7.70 0.00 0.00 0.00 0.00 03:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 lo 565.39 565.39 537.99 537.99 0.00 0.00 0.00 0.00 03:10:01 ens3 46.70 36.45 230.80 9.32 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 1014.58 1014.58 966.76 966.76 0.00 0.00 0.00 0.00 Average: ens3 37.28 30.69 161.04 8.51 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-53677) 03/28/26 _x86_64_ (4 CPU) 02:45:02 LINUX RESTART (4 CPU) 02:50:02 CPU %user %nice %system %iowait %steal %idle 03:00:04 all 63.88 0.00 2.50 0.16 0.13 33.33 03:00:04 0 63.36 0.00 2.34 0.12 0.14 34.05 03:00:04 1 63.99 0.00 2.60 0.25 0.14 33.02 03:00:04 2 65.45 0.00 2.65 0.15 0.13 31.63 03:00:04 3 62.70 0.00 2.43 0.12 0.13 34.62 03:10:01 all 57.95 0.00 2.13 1.68 0.47 37.77 03:10:01 0 54.64 0.00 2.24 3.71 0.83 38.58 03:10:01 1 58.18 0.00 2.10 0.15 0.31 39.26 03:10:01 2 62.32 0.00 2.09 2.60 0.23 32.77 03:10:01 3 56.69 0.00 2.09 0.26 0.50 40.46 Average: all 60.92 0.00 2.32 0.92 0.30 35.55 Average: 0 59.00 0.00 2.29 1.91 0.48 36.32 Average: 1 61.10 0.00 2.35 0.20 0.22 36.13 Average: 2 63.89 0.00 2.37 1.37 0.18 32.20 Average: 3 59.70 0.00 2.26 0.19 0.32 37.53