---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2389 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 12G 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 731 9538 4 5719 14915 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:75:de:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84502sec preferred_lft 84502sec inet6 fe80::f816:3eff:fe75:de0d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:03:59:54:0e:72 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2389) 08/05/26 _x86_64_ (4 CPU) 15:52:16 LINUX RESTART (4 CPU) 16:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:04 31.12 0.15 27.57 3.41 6.82 2734.82 27505.68 16:20:04 25.32 0.04 22.20 3.08 1.05 6599.04 7469.17 Average: 28.23 0.09 24.89 3.24 3.94 4661.65 17514.83 16:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:04 9518336 13489300 2465456 15.06 166356 3877196 2749452 15.78 745156 5653812 88776 16:20:04 9865096 15369724 577972 3.53 200132 5279264 1116616 6.41 921812 5033716 215108 Average: 9691716 14429512 1521714 9.29 183244 4578230 1933034 11.10 833484 5343764 151942 16:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:04 lo 1617.51 1617.51 1542.56 1542.56 0.00 0.00 0.00 0.00 16:10:04 ens3 48.49 38.98 204.07 11.50 0.00 0.00 0.00 0.00 16:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:04 lo 416.82 416.82 396.31 396.31 0.00 0.00 0.00 0.00 16:20:04 ens3 46.60 39.58 107.58 12.46 0.00 0.00 0.00 0.00 16:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1018.81 1018.81 971.00 971.00 0.00 0.00 0.00 0.00 Average: ens3 47.55 39.28 155.96 11.98 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2389) 08/05/26 _x86_64_ (4 CPU) 15:52:16 LINUX RESTART (4 CPU) 16:00:01 CPU %user %nice %system %iowait %steal %idle 16:10:04 all 62.32 0.00 2.53 0.06 0.11 34.97 16:10:04 0 64.02 0.00 2.27 0.04 0.11 33.56 16:10:04 1 61.98 0.00 2.60 0.06 0.11 35.24 16:10:04 2 60.61 0.00 2.57 0.11 0.11 36.60 16:10:04 3 62.65 0.00 2.68 0.05 0.11 34.50 16:20:04 all 59.29 0.00 2.08 0.07 0.11 38.45 16:20:04 0 59.36 0.00 2.43 0.10 0.11 38.01 16:20:04 1 58.84 0.00 1.93 0.03 0.11 39.10 16:20:04 2 58.12 0.00 1.84 0.10 0.10 39.84 16:20:04 3 60.87 0.00 2.11 0.05 0.11 36.86 Average: all 60.81 0.00 2.31 0.07 0.11 36.71 Average: 0 61.69 0.00 2.35 0.07 0.11 35.78 Average: 1 60.41 0.00 2.27 0.04 0.11 37.16 Average: 2 59.36 0.00 2.20 0.11 0.11 38.22 Average: 3 61.76 0.00 2.40 0.05 0.11 35.68