---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11439 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 687 10575 4 4727 14959 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:1b:15:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84769sec preferred_lft 84769sec inet6 fe80::f816:3eff:fe1b:154f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:59:3e:2f:10:43 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-11439) 05/06/26 _x86_64_ (4 CPU) 13:47:11 LINUX RESTART (4 CPU) 13:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:15 13.26 1.95 10.29 1.03 127.82 3028.16 2818.08 14:10:00 29.99 1.10 24.31 4.58 36.08 4194.71 3720.72 Average: 21.41 1.54 17.12 2.76 83.11 3596.71 3258.00 13:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:15 10467056 13838056 2121036 12.95 138372 3350480 2745928 15.76 582228 4936100 27912 14:10:00 10910456 15390804 561136 3.43 171132 4348424 1117912 6.42 893316 4083796 75168 Average: 10688756 14614430 1341086 8.19 154752 3849452 1931920 11.09 737772 4509948 51540 13:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:15 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 14:00:15 ens3 91.50 69.46 413.93 18.51 0.00 0.00 0.00 0.00 14:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:00 lo 1781.96 1781.96 1698.07 1698.07 0.00 0.00 0.00 0.00 14:10:00 ens3 85.05 65.07 438.37 21.95 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 869.19 869.19 827.66 827.66 0.00 0.00 0.00 0.00 Average: ens3 88.36 67.32 425.84 20.19 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-11439) 05/06/26 _x86_64_ (4 CPU) 13:47:11 LINUX RESTART (4 CPU) 13:50:00 CPU %user %nice %system %iowait %steal %idle 14:00:15 all 72.49 0.00 2.34 0.06 0.15 24.96 14:00:15 0 74.03 0.00 2.65 0.03 0.16 23.13 14:00:15 1 72.92 0.00 2.29 0.10 0.16 24.53 14:00:15 2 72.98 0.00 2.27 0.06 0.15 24.53 14:00:15 3 70.02 0.00 2.15 0.05 0.16 27.62 14:10:00 all 66.16 0.00 2.91 0.07 0.16 30.70 14:10:00 0 66.15 0.00 2.83 0.05 0.16 30.81 14:10:00 1 68.86 0.00 3.04 0.04 0.16 27.90 14:10:00 2 66.17 0.00 3.24 0.13 0.15 30.32 14:10:00 3 63.48 0.00 2.53 0.04 0.15 33.80 Average: all 69.41 0.00 2.62 0.06 0.16 27.76 Average: 0 70.19 0.00 2.74 0.04 0.16 26.87 Average: 1 70.94 0.00 2.66 0.07 0.16 26.17 Average: 2 69.66 0.00 2.74 0.09 0.15 27.35 Average: 3 66.83 0.00 2.34 0.05 0.16 30.63