---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11556 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: 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: 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 763 5281 4 2184 7178 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:f2:fb:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81982sec preferred_lft 81982sec inet6 fe80::f816:3eff:fef2:fb2d/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-11556) 05/07/26 _x86_64_ (2 CPU) 00:35:40 LINUX RESTART (2 CPU) 00:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.19 0.03 1.17 0.00 1.29 14.46 0.13 01:00:01 1.37 0.01 1.33 0.03 0.05 16.92 873.33 01:10:01 1.70 0.26 1.42 0.02 32.01 72.62 1.07 01:20:01 1.20 0.00 1.19 0.00 0.01 14.69 0.00 01:30:01 1.33 0.00 1.31 0.01 0.00 16.99 653.43 01:40:01 1.19 0.00 1.19 0.00 0.00 15.00 0.00 Average: 1.33 0.05 1.27 0.01 5.59 25.19 256.26 00:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6289208 7536256 284332 3.50 30612 1422108 538048 5.86 448040 1183392 172 01:00:01 6295564 7543180 277444 3.41 30828 1422440 538256 5.86 448080 1183940 164 01:10:01 6256216 7530788 289388 3.56 31184 1448692 538256 5.86 457388 1201468 272 01:20:01 6260768 7535828 284344 3.50 31348 1449008 538256 5.86 457836 1201952 212 01:30:01 6254356 7529964 290112 3.57 31528 1449344 565552 6.16 460632 1202468 276 01:40:01 6253600 7529844 290252 3.57 31704 1449804 565652 6.16 463896 1202968 192 Average: 6268285 7534310 285979 3.52 31201 1440233 547337 5.96 455979 1196031 215 00:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.04 0.11 0.17 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.48 0.08 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.70 0.24 3.17 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.43 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.39 0.21 0.08 0.59 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.48 0.12 0.17 0.09 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.58 0.14 0.63 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11556) 05/07/26 _x86_64_ (2 CPU) 00:35:40 LINUX RESTART (2 CPU) 00:40:25 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.25 0.00 0.07 0.01 0.02 99.64 00:50:01 0 0.15 0.00 0.09 0.02 0.02 99.72 00:50:01 1 0.36 0.00 0.06 0.00 0.02 99.57 01:00:01 all 0.28 0.00 0.19 0.09 0.02 99.42 01:00:01 0 0.13 0.00 0.17 0.18 0.03 99.50 01:00:01 1 0.43 0.00 0.20 0.01 0.02 99.35 01:10:01 all 0.38 0.00 0.09 0.03 0.02 99.48 01:10:01 0 0.45 0.00 0.07 0.02 0.02 99.44 01:10:01 1 0.30 0.00 0.12 0.04 0.03 99.51 01:20:01 all 0.31 0.00 0.07 0.02 0.02 99.59 01:20:01 0 0.49 0.00 0.05 0.03 0.02 99.42 01:20:01 1 0.12 0.00 0.10 0.01 0.02 99.76 01:30:01 all 0.29 0.00 0.17 0.01 0.02 99.52 01:30:01 0 0.38 0.00 0.18 0.01 0.02 99.42 01:30:01 1 0.19 0.00 0.16 0.01 0.02 99.62 01:40:01 all 0.25 0.00 0.07 0.01 0.02 99.65 01:40:01 0 0.32 0.00 0.05 0.02 0.02 99.60 01:40:01 1 0.19 0.00 0.08 0.01 0.02 99.70 Average: all 0.29 0.00 0.11 0.03 0.02 99.55 Average: 0 0.32 0.00 0.10 0.04 0.02 99.51 Average: 1 0.26 0.00 0.12 0.01 0.02 99.58