---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-650 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 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 661 9798 4 5528 14984 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:7d:2a:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84340sec preferred_lft 84340sec inet6 fe80::f816:3eff:fe7d:2ab2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:52:d9:7e:d0:75 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-650) 07/30/26 _x86_64_ (4 CPU) 18:23:47 LINUX RESTART (4 CPU) 18:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:18 48.43 0.03 40.81 7.59 0.71 1816.18 141992.56 18:50:18 36.21 12.03 20.55 3.64 136.27 1905.77 32293.47 Average: 42.35 5.99 30.74 5.62 68.09 1860.71 87467.45 18:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:18 9375792 12906268 3051612 18.64 156332 3496440 3255936 18.69 705864 5899120 484 18:50:18 8807660 12902688 3051024 18.63 176444 3992324 3193156 18.33 875352 6249184 115020 Average: 9091726 12904478 3051318 18.64 166388 3744382 3224546 18.51 790608 6074152 57752 18:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:18 lo 30.21 30.21 7.26 7.26 0.00 0.00 0.00 0.00 18:40:18 ens3 17.41 14.58 15.46 4.58 0.00 0.00 0.00 0.00 18:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:18 lo 1483.27 1483.27 1391.34 1391.34 0.00 0.00 0.00 0.00 18:50:18 ens3 47.31 36.93 277.62 9.18 0.00 0.00 0.00 0.00 18:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 752.44 752.44 695.21 695.21 0.00 0.00 0.00 0.00 Average: ens3 32.27 25.69 145.77 6.87 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-650) 07/30/26 _x86_64_ (4 CPU) 18:23:47 LINUX RESTART (4 CPU) 18:30:11 CPU %user %nice %system %iowait %steal %idle 18:40:18 all 28.53 0.00 1.12 0.29 0.07 70.00 18:40:18 0 27.19 0.00 1.09 0.08 0.07 71.57 18:40:18 1 27.71 0.00 1.04 0.29 0.07 70.90 18:40:18 2 29.09 0.00 1.13 0.38 0.07 69.33 18:40:18 3 30.13 0.00 1.20 0.40 0.07 68.19 18:50:18 all 35.08 0.08 1.82 0.10 0.08 62.84 18:50:18 0 34.86 0.04 1.78 0.06 0.08 63.18 18:50:18 1 34.22 0.09 1.59 0.09 0.08 63.93 18:50:18 2 35.39 0.00 1.88 0.11 0.08 62.54 18:50:18 3 35.84 0.18 2.04 0.15 0.08 61.72 Average: all 31.78 0.04 1.47 0.20 0.07 66.44 Average: 0 31.00 0.02 1.43 0.07 0.07 67.40 Average: 1 30.95 0.04 1.31 0.19 0.08 67.43 Average: 2 32.22 0.00 1.50 0.25 0.07 65.96 Average: 3 32.96 0.09 1.62 0.28 0.07 64.98