---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26230 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 11G 68G 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 667 10500 4 4821 14979 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:1d:3e:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84371sec preferred_lft 84371sec inet6 fe80::f816:3eff:fe1d:3e85/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:74:e3:1f:c8:b0 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-26230) 06/09/26 _x86_64_ (4 CPU) 14:50:40 LINUX RESTART (4 CPU) 15:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:14 11.21 0.49 9.59 1.13 18.67 2289.92 3121.58 15:20:12 27.77 0.73 22.84 4.20 24.28 3903.50 3048.82 Average: 19.39 0.61 16.13 2.64 21.44 3086.80 3085.65 15:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:14 9898604 13500804 2456796 15.01 145116 3552468 2937404 16.86 638756 5428740 33556 15:20:12 10829428 15405956 545300 3.33 172252 4435808 1127964 6.47 895916 4153068 16 Average: 10364016 14453380 1501048 9.17 158684 3994138 2032684 11.67 767336 4790904 16786 15:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:14 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 15:10:14 ens3 75.56 55.28 98.96 17.06 0.00 0.00 0.00 0.00 15:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:12 lo 1718.37 1718.37 1631.06 1631.06 0.00 0.00 0.00 0.00 15:20:12 ens3 89.79 75.92 404.93 94.22 0.00 0.00 0.00 0.00 15:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 849.35 849.35 805.58 805.58 0.00 0.00 0.00 0.00 Average: ens3 82.59 65.47 250.07 55.17 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-26230) 06/09/26 _x86_64_ (4 CPU) 14:50:40 LINUX RESTART (4 CPU) 15:00:01 CPU %user %nice %system %iowait %steal %idle 15:10:14 all 73.43 0.00 2.22 0.02 0.11 24.21 15:10:14 0 71.38 0.00 1.92 0.03 0.11 26.55 15:10:14 1 76.07 0.00 2.51 0.02 0.12 21.28 15:10:14 2 72.02 0.00 2.12 0.01 0.11 25.73 15:10:14 3 74.26 0.00 2.34 0.03 0.11 23.26 15:20:12 all 47.62 0.00 2.21 0.06 0.08 50.03 15:20:12 0 48.08 0.00 2.35 0.07 0.09 49.42 15:20:12 1 46.15 0.00 2.12 0.05 0.08 51.60 15:20:12 2 49.12 0.00 2.23 0.06 0.08 48.50 15:20:12 3 47.12 0.00 2.15 0.06 0.09 50.59 Average: all 60.68 0.00 2.22 0.04 0.10 36.96 Average: 0 59.87 0.00 2.13 0.05 0.10 37.85 Average: 1 61.27 0.00 2.32 0.03 0.10 36.28 Average: 2 60.71 0.00 2.18 0.04 0.10 36.97 Average: 3 60.85 0.00 2.25 0.04 0.10 36.76