---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29007 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 758 5204 4 2270 7183 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:96:8e:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83976sec preferred_lft 83976sec inet6 fe80::f816:3eff:fe96:8ebb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29007) 06/21/26 _x86_64_ (2 CPU) 00:16:42 LINUX RESTART (2 CPU) 00:20:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.58 0.03 1.53 0.02 1.30 18.75 456.19 00:40:26 22.66 2.89 17.56 2.21 218.29 3309.57 809.06 00:50:26 14.81 0.00 1.32 13.49 0.15 21.53 106586.05 Average: 13.32 1.01 7.03 5.27 76.35 1163.66 35955.48 00:20:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6295576 7546580 274024 3.37 30692 1425932 537828 5.86 443352 1187472 272 00:40:26 5238900 7411500 356212 4.38 86188 2246912 633136 6.90 582232 2018388 176 00:50:26 5198112 7372764 394916 4.86 86368 2248820 642904 7.00 584460 2020432 232 Average: 5577529 7443615 341717 4.20 67749 1973888 604623 6.59 536681 1742097 227 00:20:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.08 0.12 0.18 0.08 0.00 0.00 0.00 0.00 00:40:26 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:26 ens3 68.49 45.63 302.83 11.55 0.00 0.00 0.00 0.00 00:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:26 ens3 12.01 9.69 72.10 1.00 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 28.16 19.13 129.36 4.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29007) 06/21/26 _x86_64_ (2 CPU) 00:16:42 LINUX RESTART (2 CPU) 00:20:26 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.26 0.00 0.18 0.01 0.03 99.51 00:30:01 0 0.31 0.00 0.17 0.02 0.03 99.47 00:30:01 1 0.21 0.00 0.19 0.01 0.03 99.55 00:40:26 all 11.36 0.00 1.65 0.52 0.05 86.42 00:40:26 0 13.25 0.00 1.83 0.53 0.05 84.34 00:40:26 1 9.47 0.00 1.48 0.51 0.05 88.49 00:50:26 all 0.86 0.00 0.22 0.03 0.06 98.83 00:50:26 0 0.89 0.00 0.17 0.01 0.05 98.89 00:50:26 1 0.83 0.00 0.27 0.06 0.07 98.76 Average: all 4.32 0.00 0.71 0.20 0.05 94.73 Average: 0 5.00 0.00 0.75 0.19 0.04 94.02 Average: 1 3.64 0.00 0.67 0.20 0.05 95.45