---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36240 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 775 5252 4 2204 7166 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:fc:74:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82368sec preferred_lft 82368sec inet6 fe80::f816:3eff:fefc:748a/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-36240) 07/16/26 _x86_64_ (2 CPU) 01:58:34 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:06 1.44 0.02 1.41 0.00 1.23 18.10 0.12 02:20:06 13.80 0.01 1.26 12.53 0.21 15.16 109189.37 02:30:01 1.38 0.00 1.37 0.01 0.00 16.92 659.96 02:40:21 1.85 0.24 1.60 0.01 29.98 74.39 0.28 02:50:06 1.29 0.00 1.29 0.00 0.00 15.25 0.00 03:00:01 1.52 0.00 1.51 0.01 0.00 18.40 659.05 Average: 3.55 0.05 1.41 2.09 5.40 26.69 18417.22 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:06 6294064 7540736 279688 3.44 30576 1421780 528616 5.76 445844 1183376 224 02:20:06 6299888 7547124 273312 3.36 30752 1422152 527072 5.74 444820 1183904 256 02:30:01 6295372 7543104 277384 3.41 30908 1422480 527096 5.74 444808 1184388 120 02:40:21 6249648 7524612 295384 3.63 31276 1448988 726952 7.92 459364 1202500 124 02:50:06 6256256 7531832 288156 3.54 31420 1449448 726952 7.92 459600 1202976 216 03:00:01 6249764 7525900 294008 3.62 31616 1449772 727932 7.93 459988 1203496 276 Average: 6274165 7535551 284655 3.50 31091 1435770 627437 6.83 452404 1193440 203 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 1.89 0.08 0.32 0.02 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.70 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.54 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:40:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 1.00 0.29 3.15 0.05 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.61 0.06 0.07 0.04 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.75 0.12 0.18 0.07 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 0.92 0.10 0.66 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36240) 07/16/26 _x86_64_ (2 CPU) 01:58:34 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:06 all 0.29 0.00 0.07 0.04 0.03 99.56 02:10:06 0 0.12 0.00 0.07 0.01 0.03 99.76 02:10:06 1 0.46 0.00 0.08 0.07 0.03 99.37 02:20:06 all 0.28 0.00 0.09 0.10 0.03 99.50 02:20:06 0 0.08 0.00 0.10 0.11 0.03 99.68 02:20:06 1 0.48 0.00 0.07 0.09 0.03 99.32 02:30:01 all 0.27 0.00 0.17 0.03 0.03 99.51 02:30:01 0 0.07 0.00 0.17 0.01 0.03 99.72 02:30:01 1 0.46 0.00 0.17 0.05 0.03 99.29 02:40:21 all 0.38 0.00 0.10 0.14 0.03 99.36 02:40:21 0 0.43 0.00 0.07 0.05 0.02 99.42 02:40:21 1 0.32 0.00 0.12 0.22 0.03 99.30 02:50:06 all 0.24 0.00 0.08 0.17 0.02 99.49 02:50:06 0 0.44 0.00 0.06 0.01 0.02 99.47 02:50:06 1 0.04 0.00 0.09 0.33 0.03 99.51 03:00:01 all 0.31 0.00 0.17 0.19 0.03 99.30 03:00:01 0 0.32 0.00 0.19 0.11 0.02 99.35 03:00:01 1 0.29 0.00 0.15 0.27 0.03 99.25 Average: all 0.30 0.00 0.11 0.11 0.03 99.45 Average: 0 0.25 0.00 0.11 0.05 0.03 99.57 Average: 1 0.34 0.00 0.11 0.17 0.03 99.34