---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27298 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 745 5224 4 2264 7196 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:ff:9d:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82219sec preferred_lft 82219sec inet6 fe80::f816:3eff:feff:9dc5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27298) 06/14/26 _x86_64_ (2 CPU) 01:47:39 LINUX RESTART (2 CPU) 01:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.55 0.03 1.50 0.02 1.29 18.87 681.63 02:10:01 13.86 0.01 1.31 12.54 0.20 16.13 109095.72 02:20:04 1.33 0.00 1.31 0.02 0.01 15.50 1.19 02:30:01 2.09 0.25 1.79 0.05 31.14 78.01 7.22 02:40:01 1.42 0.00 1.39 0.02 1.05 16.16 1.25 02:50:04 1.36 0.00 1.34 0.01 0.00 15.66 1.07 Average: 3.61 0.05 1.44 2.12 5.61 26.71 18413.37 01:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6276640 7527332 292792 3.60 30656 1425852 531412 5.79 448596 1187368 128 02:10:01 6291792 7543104 277000 3.41 30892 1426228 531412 5.79 448780 1187952 216 02:20:04 6302964 7554804 265288 3.26 31088 1426552 531548 5.79 448836 1188472 184 02:30:01 6233440 7512176 307424 3.78 31488 1452660 727424 7.92 463336 1206216 240 02:40:01 6248340 7527920 291716 3.59 31684 1453300 531616 5.79 458136 1206740 124 02:50:04 6248092 7528348 291280 3.58 31896 1453756 531736 5.79 458856 1207280 236 Average: 6266878 7532281 287583 3.54 31284 1439725 564191 6.15 454423 1197338 188 01:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.87 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.54 0.05 0.19 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.51 0.03 3.39 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.41 0.45 4.14 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.34 0.05 0.07 0.04 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.48 0.21 0.16 0.41 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 0.69 0.14 1.35 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27298) 06/14/26 _x86_64_ (2 CPU) 01:47:39 LINUX RESTART (2 CPU) 01:50:25 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.18 0.01 0.03 99.48 02:00:01 0 0.29 0.00 0.18 0.01 0.03 99.49 02:00:01 1 0.29 0.00 0.18 0.01 0.04 99.48 02:10:01 all 0.27 0.00 0.09 0.03 0.03 99.58 02:10:01 0 0.38 0.00 0.07 0.02 0.03 99.50 02:10:01 1 0.15 0.00 0.11 0.04 0.03 99.66 02:20:04 all 0.23 0.00 0.07 0.01 0.03 99.66 02:20:04 0 0.42 0.00 0.06 0.01 0.02 99.50 02:20:04 1 0.05 0.00 0.09 0.01 0.03 99.82 02:30:01 all 0.40 0.00 0.18 0.02 0.03 99.37 02:30:01 0 0.35 0.00 0.19 0.01 0.03 99.42 02:30:01 1 0.44 0.00 0.17 0.03 0.03 99.33 02:40:01 all 0.22 0.00 0.08 0.01 0.03 99.67 02:40:01 0 0.09 0.00 0.09 0.01 0.03 99.79 02:40:01 1 0.35 0.00 0.06 0.01 0.03 99.55 02:50:04 all 0.27 0.00 0.07 0.03 0.02 99.60 02:50:04 0 0.09 0.00 0.09 0.03 0.03 99.76 02:50:04 1 0.45 0.00 0.05 0.03 0.01 99.45 Average: all 0.28 0.00 0.11 0.02 0.03 99.56 Average: 0 0.27 0.00 0.11 0.01 0.03 99.57 Average: 1 0.29 0.00 0.11 0.02 0.03 99.55