---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35736 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: 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 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 697 10462 4 4829 14948 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:87:f9:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84621sec preferred_lft 84621sec inet6 fe80::f816:3eff:fe87:f908/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:6a:49:fd:fc:e1 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-35736) 07/14/26 _x86_64_ (4 CPU) 11:01:29 LINUX RESTART (4 CPU) 11:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:16 11.12 0.47 9.54 1.12 17.60 2166.51 2550.46 11:30:01 42.92 0.58 23.42 18.93 22.79 3753.50 251981.52 Average: 26.85 0.52 16.40 9.93 20.17 2951.30 125898.14 11:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:16 9940168 13607716 2349096 14.35 147584 3609632 2592928 14.88 652756 5358328 22852 11:30:01 10785436 15370356 579480 3.54 171872 4443708 1104368 6.34 900848 4180436 204 Average: 10362802 14489036 1464288 8.94 159728 4026670 1848648 10.61 776802 4769382 11528 11:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:16 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 11:20:16 ens3 66.66 52.91 103.21 17.81 0.00 0.00 0.00 0.00 11:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 1794.63 1794.63 1697.82 1697.82 0.00 0.00 0.00 0.00 11:30:01 ens3 104.96 94.16 418.45 160.52 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 888.21 888.21 839.67 839.67 0.00 0.00 0.00 0.00 Average: ens3 85.60 73.31 259.10 88.38 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-35736) 07/14/26 _x86_64_ (4 CPU) 11:01:29 LINUX RESTART (4 CPU) 11:10:19 CPU %user %nice %system %iowait %steal %idle 11:20:16 all 71.58 0.00 2.32 0.05 0.12 25.93 11:20:16 0 72.92 0.00 2.35 0.05 0.12 24.57 11:20:16 1 71.11 0.00 2.17 0.03 0.11 26.58 11:20:16 2 72.31 0.00 2.68 0.08 0.12 24.80 11:20:16 3 69.97 0.00 2.07 0.06 0.12 27.78 11:30:01 all 46.18 0.00 2.29 0.11 0.08 51.33 11:30:01 0 47.66 0.00 2.43 0.08 0.08 49.75 11:30:01 1 46.52 0.00 2.31 0.20 0.08 50.88 11:30:01 2 42.53 0.00 2.14 0.04 0.08 55.20 11:30:01 3 48.03 0.00 2.27 0.13 0.08 49.49 Average: all 59.02 0.00 2.30 0.08 0.10 38.50 Average: 0 60.44 0.00 2.39 0.06 0.10 37.01 Average: 1 58.94 0.00 2.24 0.12 0.10 38.61 Average: 2 57.57 0.00 2.41 0.06 0.10 39.85 Average: 3 59.12 0.00 2.17 0.09 0.10 38.52