---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39655 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: 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 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 644 10463 4 4881 15002 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:07:14:ad 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 84562sec preferred_lft 84562sec inet6 fe80::f816:3eff:fe07:14ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:43:f0:5f:93:74 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-39655) 08/21/26 _x86_64_ (4 CPU) 15:28:25 LINUX RESTART (4 CPU) 15:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:14 14.20 2.79 11.11 0.31 161.62 3137.08 964.75 15:50:16 10.48 0.47 9.00 1.01 18.39 2112.66 2941.52 Average: 12.34 1.63 10.05 0.66 89.89 2624.07 1954.67 15:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:14 11090496 14147248 1816048 11.09 119680 3088064 2444648 14.03 490136 4449812 26616 15:50:16 9476352 13162608 2794576 17.07 149584 3626132 2971548 17.06 649864 5829416 35028 Average: 10283424 13654928 2305312 14.08 134632 3357098 2708098 15.54 570000 5139614 30822 15:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:14 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 15:40:14 ens3 68.97 56.39 737.30 10.52 0.00 0.00 0.00 0.00 15:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:16 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 15:50:16 ens3 44.62 38.84 89.20 12.21 0.00 0.00 0.00 0.00 15:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.97 0.97 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 56.78 47.60 412.75 11.37 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-39655) 08/21/26 _x86_64_ (4 CPU) 15:28:25 LINUX RESTART (4 CPU) 15:30:15 CPU %user %nice %system %iowait %steal %idle 15:40:14 all 20.70 0.00 0.75 0.11 0.06 78.38 15:40:14 0 20.77 0.00 0.75 0.17 0.05 78.26 15:40:14 1 20.13 0.00 0.77 0.08 0.06 78.96 15:40:14 2 20.71 0.00 0.91 0.13 0.06 78.19 15:40:14 3 21.21 0.00 0.58 0.06 0.05 78.10 15:50:16 all 72.53 0.00 2.34 0.03 0.16 24.94 15:50:16 0 72.36 0.00 2.47 0.02 0.16 25.00 15:50:16 1 73.14 0.00 2.01 0.05 0.16 24.64 15:50:16 2 69.90 0.00 2.18 0.02 0.16 27.75 15:50:16 3 74.71 0.00 2.71 0.03 0.17 22.39 Average: all 46.64 0.00 1.55 0.07 0.11 51.63 Average: 0 46.58 0.00 1.61 0.09 0.11 51.61 Average: 1 46.66 0.00 1.39 0.06 0.11 51.77 Average: 2 45.33 0.00 1.55 0.07 0.11 52.94 Average: 3 47.98 0.00 1.65 0.05 0.11 50.22