---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36807 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 8.0G 30G 22% / 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 736 5206 4 2291 7205 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:14:ab:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82115sec preferred_lft 82115sec inet6 fe80::f816:3eff:fe14:ab39/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36807) 07/18/26 _x86_64_ (2 CPU) 01:58:05 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 2.10 0.31 1.78 0.01 35.41 78.85 0.39 02:20:11 1.42 0.01 1.40 0.01 0.07 16.59 0.72 02:30:02 1.55 0.00 1.52 0.03 0.00 18.51 665.63 02:40:01 1.22 0.00 1.20 0.02 0.00 14.70 1.20 02:50:11 13.68 0.00 1.34 12.34 0.14 16.36 107189.88 03:00:01 1.40 0.00 1.37 0.03 0.00 17.30 666.33 Average: 3.60 0.05 1.43 2.11 5.94 27.05 18406.62 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6257324 7536204 283580 3.49 30792 1453340 528540 5.76 455520 1205220 124 02:20:11 6256020 7535480 284268 3.50 31004 1453700 528552 5.76 455648 1205792 168 02:30:02 6245804 7525808 293852 3.61 31228 1454000 528688 5.76 455744 1206316 256 02:40:01 6245132 7525668 293980 3.61 31428 1454324 528688 5.76 455852 1206840 240 02:50:11 6252720 7533888 285744 3.51 31640 1454732 528752 5.76 456200 1207432 168 03:00:01 6256300 7538104 281500 3.46 31836 1455156 528936 5.76 456776 1207924 240 Average: 6252217 7532525 287154 3.53 31321 1454209 528693 5.76 455957 1206587 199 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.81 0.27 3.37 0.03 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.42 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.46 0.08 1.09 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 0.79 0.09 0.90 0.06 0.00 0.00 0.00 0.00 02:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.37 0.10 0.11 0.06 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 0.46 0.19 0.15 0.63 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 0.72 0.13 0.94 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36807) 07/18/26 _x86_64_ (2 CPU) 01:58:05 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.41 0.00 0.12 0.02 0.02 99.43 02:10:01 0 0.52 0.00 0.09 0.00 0.02 99.37 02:10:01 1 0.31 0.00 0.15 0.03 0.02 99.49 02:20:11 all 0.26 0.00 0.08 0.02 0.02 99.63 02:20:11 0 0.45 0.00 0.06 0.03 0.01 99.45 02:20:11 1 0.06 0.00 0.09 0.00 0.02 99.82 02:30:02 all 0.30 0.00 0.18 0.01 0.02 99.49 02:30:02 0 0.41 0.00 0.18 0.02 0.02 99.38 02:30:02 1 0.20 0.00 0.18 0.00 0.02 99.60 02:40:01 all 0.28 0.00 0.08 0.01 0.02 99.62 02:40:01 0 0.45 0.00 0.07 0.01 0.02 99.47 02:40:01 1 0.12 0.00 0.09 0.01 0.02 99.77 02:50:11 all 0.28 0.00 0.09 0.03 0.02 99.59 02:50:11 0 0.34 0.00 0.07 0.02 0.01 99.56 02:50:11 1 0.21 0.00 0.11 0.04 0.02 99.61 03:00:01 all 0.31 0.00 0.18 0.01 0.02 99.48 03:00:01 0 0.30 0.00 0.17 0.01 0.02 99.49 03:00:01 1 0.31 0.00 0.19 0.00 0.03 99.47 Average: all 0.31 0.00 0.12 0.02 0.02 99.54 Average: 0 0.41 0.00 0.10 0.01 0.02 99.45 Average: 1 0.20 0.00 0.14 0.02 0.02 99.63