---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11819 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 9.9G 68G 13% / 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 696 11022 4 4269 14949 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:a8:5a:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84463sec preferred_lft 84463sec inet6 fe80::f816:3eff:fea8:5a12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:ff:06:7b:b6:ab 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11819) 05/07/26 _x86_64_ (4 CPU) 20:51:29 LINUX RESTART (4 CPU) 21:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:00 49.50 0.01 40.86 8.63 0.64 3553.55 8778.85 21:20:00 12.84 0.30 9.79 2.75 11.80 1806.61 1711.71 Average: 31.17 0.16 25.33 5.69 6.22 2680.08 5245.28 21:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:00 10030076 13707184 2249604 13.74 179596 3582980 2550412 14.64 660272 5254908 116452 21:20:00 11357824 15366056 589172 3.60 195208 3878832 1111912 6.38 780228 3772180 8 Average: 10693950 14536620 1419388 8.67 187402 3730906 1831162 10.51 720250 4513544 58230 21:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:00 lo 4892.56 4892.56 4665.61 4665.61 0.00 0.00 0.00 0.00 21:10:00 ens3 112.52 84.76 32.87 29.59 0.00 0.00 0.00 0.00 21:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:00 lo 433.65 433.65 402.52 402.52 0.00 0.00 0.00 0.00 21:20:00 ens3 63.91 61.46 103.17 116.06 0.00 0.00 0.00 0.00 21:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2663.11 2663.11 2534.06 2534.06 0.00 0.00 0.00 0.00 Average: ens3 88.21 73.11 68.02 72.82 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11819) 05/07/26 _x86_64_ (4 CPU) 20:51:29 LINUX RESTART (4 CPU) 21:00:00 CPU %user %nice %system %iowait %steal %idle 21:10:00 all 65.82 0.00 3.92 0.08 0.10 30.07 21:10:00 0 65.02 0.00 3.72 0.07 0.10 31.08 21:10:00 1 65.27 0.00 3.70 0.13 0.10 30.80 21:10:00 2 66.40 0.00 4.48 0.06 0.10 28.96 21:10:00 3 66.59 0.00 3.80 0.07 0.10 29.45 21:20:00 all 13.50 0.00 0.68 0.05 0.04 85.74 21:20:00 0 12.82 0.00 0.65 0.02 0.03 86.47 21:20:00 1 14.30 0.00 0.78 0.06 0.04 84.82 21:20:00 2 10.49 0.00 0.56 0.04 0.03 88.87 21:20:00 3 16.39 0.00 0.73 0.07 0.04 82.77 Average: all 39.61 0.00 2.30 0.06 0.07 57.96 Average: 0 38.87 0.00 2.18 0.04 0.07 58.84 Average: 1 39.73 0.00 2.24 0.10 0.07 57.87 Average: 2 38.41 0.00 2.52 0.05 0.07 58.96 Average: 3 41.43 0.00 2.26 0.07 0.07 56.18