---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25997 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 763 5201 4 2268 7178 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:72:6a:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82361sec preferred_lft 82361sec inet6 fe80::f816:3eff:fe72:6ad5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25997) 06/09/26 _x86_64_ (2 CPU) 00:41:53 LINUX RESTART (2 CPU) 00:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.60 0.01 1.58 0.02 0.06 18.97 680.44 01:10:30 1.35 0.00 1.34 0.02 0.00 15.54 1.16 01:20:30 1.57 0.00 1.54 0.02 0.01 18.37 219.00 01:30:00 1.48 0.00 1.45 0.03 0.00 17.56 459.67 01:40:18 1.93 0.42 1.49 0.02 16.34 84.61 1.35 Average: 1.59 0.09 1.48 0.02 3.39 31.41 262.88 00:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6236832 7514532 305516 3.76 30920 1452252 526060 5.73 456328 1204868 132 01:10:30 6244420 7522680 297380 3.66 31144 1452588 526000 5.73 456416 1205420 140 01:20:30 6244168 7523004 297056 3.65 31384 1452908 526216 5.73 456760 1205988 120 01:30:00 6243824 7523196 296852 3.65 31580 1453232 526216 5.73 455164 1206508 124 01:40:18 6178080 7484484 335064 4.12 32144 1479288 544404 5.93 487900 1231484 360 Average: 6229465 7513579 306374 3.77 31434 1458054 529779 5.77 462514 1210854 175 00:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.72 0.11 0.22 0.04 0.00 0.00 0.00 0.00 01:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:30 ens3 0.32 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:20:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:30 ens3 0.56 0.12 0.14 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.31 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:18 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 12.09 6.58 39.68 3.31 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 2.87 1.42 8.29 0.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25997) 06/09/26 _x86_64_ (2 CPU) 00:41:53 LINUX RESTART (2 CPU) 00:50:24 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.24 0.00 0.15 0.01 0.04 99.55 01:00:00 0 0.24 0.00 0.16 0.02 0.05 99.53 01:00:00 1 0.24 0.00 0.15 0.00 0.04 99.58 01:10:30 all 0.25 0.00 0.06 0.01 0.04 99.63 01:10:30 0 0.46 0.00 0.04 0.02 0.03 99.45 01:10:30 1 0.04 0.00 0.09 0.00 0.05 99.82 01:20:30 all 0.25 0.00 0.08 0.01 0.05 99.61 01:20:30 0 0.43 0.00 0.05 0.02 0.04 99.46 01:20:30 1 0.07 0.00 0.10 0.01 0.06 99.77 01:30:00 all 0.29 0.00 0.15 0.01 0.04 99.51 01:30:00 0 0.23 0.00 0.14 0.01 0.04 99.58 01:30:00 1 0.34 0.00 0.15 0.01 0.05 99.45 01:40:18 all 0.67 0.00 0.12 0.02 0.04 99.15 01:40:18 0 0.78 0.00 0.12 0.02 0.04 99.04 01:40:18 1 0.55 0.00 0.12 0.02 0.05 99.26 Average: all 0.34 0.00 0.11 0.01 0.04 99.49 Average: 0 0.44 0.00 0.10 0.02 0.04 99.41 Average: 1 0.25 0.00 0.12 0.01 0.05 99.58