---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-46985 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 751 5219 4 2264 7189 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:0e:96:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83816sec preferred_lft 83816sec inet6 fe80::f816:3eff:fe0e:9654/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46985) 09/03/26 _x86_64_ (2 CPU) 00:56:06 LINUX RESTART (2 CPU) 01:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:12 41.70 3.56 22.40 15.74 320.61 3838.34 110279.92 01:20:01 1.41 0.01 1.40 0.00 0.07 16.60 0.18 01:30:11 1.54 0.00 1.53 0.02 0.00 18.99 0.22 Average: 14.90 1.19 8.45 5.26 106.96 1292.18 36784.63 01:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:12 5225856 7423740 342332 4.21 86148 2272308 624508 6.80 526276 2088872 132 01:20:01 5222088 7420436 345388 4.25 86296 2272632 624572 6.80 526636 2089344 124 01:30:11 5202460 7401352 364452 4.48 86448 2273016 624708 6.80 526528 2089880 164 Average: 5216801 7415176 350724 4.31 86297 2272652 624596 6.80 526480 2089365 140 01:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:12 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 01:10:12 ens3 66.20 48.24 320.49 11.21 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 2.46 0.37 0.44 0.18 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.90 0.27 0.17 0.08 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 23.19 16.31 107.10 3.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46985) 09/03/26 _x86_64_ (2 CPU) 00:56:06 LINUX RESTART (2 CPU) 01:00:12 CPU %user %nice %system %iowait %steal %idle 01:10:12 all 11.79 0.00 2.01 0.68 0.01 85.52 01:10:12 0 8.62 0.00 1.80 0.72 0.01 88.87 01:10:12 1 14.96 0.00 2.22 0.64 0.01 82.17 01:20:01 all 0.42 0.00 0.16 0.02 0.02 99.39 01:20:01 0 0.33 0.00 0.23 0.04 0.02 99.39 01:20:01 1 0.51 0.00 0.09 0.01 0.01 99.38 01:30:11 all 0.41 0.00 0.22 0.01 0.01 99.34 01:30:11 0 0.42 0.00 0.24 0.00 0.01 99.33 01:30:11 1 0.41 0.00 0.21 0.01 0.01 99.36 Average: all 4.21 0.00 0.80 0.24 0.01 94.74 Average: 0 3.13 0.00 0.75 0.25 0.01 95.85 Average: 1 5.30 0.00 0.84 0.22 0.01 93.63