---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37293 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 8.0G 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 759 5193 4 2282 7182 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:74:9c:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82242sec preferred_lft 82242sec inet6 fe80::f816:3eff:fe74:9cde/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-37293) 07/20/26 _x86_64_ (2 CPU) 01:58:50 LINUX RESTART (2 CPU) 02:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:17 1.53 0.03 1.49 0.01 1.24 16.75 0.37 02:20:01 1.34 0.01 1.31 0.02 0.07 15.32 1.23 02:30:17 1.52 0.00 1.49 0.03 0.00 17.87 426.08 02:40:17 13.98 0.00 1.42 12.55 0.15 16.71 109190.46 02:50:01 1.30 0.00 1.28 0.02 0.00 15.20 1.11 03:00:17 2.10 0.25 1.82 0.04 31.23 77.92 426.31 Average: 3.63 0.05 1.47 2.11 5.58 26.90 18344.64 02:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:17 6286580 7534160 286300 3.52 30548 1422692 521652 5.68 446836 1183232 196 02:20:01 6289412 7537540 282956 3.48 30768 1423012 521660 5.68 446992 1183776 192 02:30:17 6298644 7547340 273128 3.36 30984 1423340 521660 5.68 447084 1184320 124 02:40:17 6294940 7544232 276220 3.40 31196 1423712 527044 5.74 443708 1184876 120 02:50:01 6299920 7549740 270700 3.33 31392 1424036 527044 5.74 443932 1185396 148 03:00:17 6259304 7536932 282904 3.48 31812 1451044 554336 6.04 460396 1203620 176 Average: 6288133 7541657 278701 3.43 31117 1427973 528899 5.76 448158 1187537 159 02:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 1.45 0.08 0.26 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.43 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 0.47 0.03 3.83 0.01 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.51 0.09 0.96 0.04 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.30 0.06 0.07 0.04 0.00 0.00 0.00 0.00 03:00:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:17 ens3 0.64 0.37 3.21 0.43 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 0.64 0.11 1.43 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37293) 07/20/26 _x86_64_ (2 CPU) 01:58:50 LINUX RESTART (2 CPU) 02:00:17 CPU %user %nice %system %iowait %steal %idle 02:10:17 all 0.27 0.00 0.07 0.07 0.03 99.55 02:10:17 0 0.08 0.00 0.08 0.02 0.03 99.79 02:10:17 1 0.47 0.00 0.06 0.13 0.03 99.32 02:20:01 all 0.21 0.00 0.08 0.01 0.03 99.67 02:20:01 0 0.06 0.00 0.07 0.01 0.03 99.83 02:20:01 1 0.37 0.00 0.08 0.01 0.03 99.51 02:30:17 all 0.28 0.00 0.15 0.01 0.03 99.53 02:30:17 0 0.07 0.00 0.17 0.00 0.04 99.72 02:30:17 1 0.48 0.00 0.14 0.02 0.02 99.34 02:40:17 all 0.26 0.00 0.08 0.03 0.03 99.60 02:40:17 0 0.37 0.00 0.07 0.02 0.03 99.52 02:40:17 1 0.15 0.00 0.10 0.05 0.03 99.67 02:50:01 all 0.24 0.00 0.07 0.01 0.03 99.66 02:50:01 0 0.07 0.00 0.09 0.00 0.04 99.80 02:50:01 1 0.41 0.00 0.04 0.02 0.02 99.51 03:00:17 all 0.43 0.00 0.18 0.03 0.03 99.33 03:00:17 0 0.54 0.00 0.16 0.05 0.02 99.23 03:00:17 1 0.32 0.00 0.20 0.01 0.04 99.44 Average: all 0.28 0.00 0.11 0.03 0.03 99.55 Average: 0 0.20 0.00 0.11 0.02 0.03 99.65 Average: 1 0.37 0.00 0.10 0.04 0.03 99.46