---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20876 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: 5599.86 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 754 5224 4 2254 7187 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:a1:16:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82080sec preferred_lft 82080sec inet6 fe80::f816:3eff:fea1:168a/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-20876) 05/28/26 _x86_64_ (2 CPU) 06:47:40 LINUX RESTART (2 CPU) 06:50:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 1.47 0.03 1.44 0.01 1.29 17.97 454.94 07:10:01 13.83 0.01 1.28 12.54 0.20 15.96 109112.03 07:20:06 1.67 0.25 1.39 0.02 30.76 72.59 1.24 07:30:01 1.42 0.01 1.39 0.02 1.06 17.80 877.83 07:40:01 1.21 0.00 1.21 0.00 0.00 14.92 0.00 07:50:19 1.67 0.39 1.29 0.00 15.33 46.16 0.00 Average: 3.55 0.12 1.33 2.10 8.23 31.13 18451.75 06:50:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 6290604 7537156 283240 3.48 30536 1421696 534404 5.82 451404 1183144 124 07:10:01 6290220 7537368 282848 3.48 30748 1422072 534564 5.82 453304 1183704 128 07:20:06 6234624 7508604 311112 3.83 31112 1448184 739024 8.05 467724 1201416 208 07:30:01 6235936 7510748 308936 3.80 31284 1448824 534936 5.83 463048 1201912 208 07:40:01 6251336 7526648 293064 3.60 31448 1449152 535100 5.83 463012 1202408 276 07:50:19 6231272 7521740 297612 3.66 31736 1463940 552328 6.02 487660 1215832 220 Average: 6255665 7523711 296135 3.64 31144 1442311 571726 6.23 464359 1198069 194 06:50:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:01 ens3 1.09 0.09 0.14 0.06 0.00 0.00 0.00 0.00 07:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:01 ens3 0.81 0.15 0.23 0.13 0.00 0.00 0.00 0.00 07:20:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:20:06 ens3 0.62 0.22 3.33 0.05 0.00 0.00 0.00 0.00 07:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:01 ens3 0.72 0.27 0.29 0.72 0.00 0.00 0.00 0.00 07:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 0.29 0.06 0.07 0.03 0.00 0.00 0.00 0.00 07:50:19 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 07:50:19 ens3 11.33 5.01 19.51 2.57 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 2.53 0.99 4.03 0.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20876) 05/28/26 _x86_64_ (2 CPU) 06:47:40 LINUX RESTART (2 CPU) 06:50:26 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 0.26 0.00 0.17 0.01 0.03 99.52 07:00:01 0 0.13 0.00 0.17 0.02 0.03 99.65 07:00:01 1 0.40 0.00 0.17 0.01 0.03 99.39 07:10:01 all 0.31 0.00 0.09 0.03 0.03 99.55 07:10:01 0 0.39 0.00 0.09 0.05 0.03 99.44 07:10:01 1 0.23 0.00 0.08 0.01 0.03 99.65 07:20:06 all 0.37 0.00 0.10 0.02 0.03 99.48 07:20:06 0 0.07 0.00 0.10 0.01 0.03 99.78 07:20:06 1 0.66 0.00 0.10 0.02 0.03 99.19 07:30:01 all 0.25 0.00 0.16 0.01 0.04 99.54 07:30:01 0 0.12 0.00 0.18 0.02 0.04 99.65 07:30:01 1 0.39 0.00 0.14 0.00 0.04 99.43 07:40:01 all 0.23 0.00 0.06 0.01 0.03 99.67 07:40:01 0 0.43 0.00 0.03 0.02 0.02 99.51 07:40:01 1 0.04 0.00 0.08 0.00 0.04 99.83 07:50:19 all 0.44 0.00 0.08 0.01 0.03 99.44 07:50:19 0 0.60 0.00 0.06 0.02 0.02 99.31 07:50:19 1 0.27 0.00 0.11 0.01 0.04 99.57 Average: all 0.31 0.00 0.11 0.02 0.03 99.53 Average: 0 0.29 0.00 0.10 0.02 0.03 99.55 Average: 1 0.33 0.00 0.11 0.01 0.04 99.51