---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-46726 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 8.0G 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 797 5089 4 2349 7144 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:f5:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84035sec preferred_lft 84035sec inet6 fe80::f816:3eff:fe14:f53c/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-46726) 09/02/26 _x86_64_ (2 CPU) 00:42:45 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 26.31 2.84 21.10 2.37 224.64 3509.06 1025.60 01:10:01 1.57 0.00 1.56 0.00 0.00 65.01 0.03 01:20:02 2.31 0.71 1.59 0.01 94.01 151.98 56.03 Average: 10.06 1.18 8.08 0.79 106.27 1242.07 360.58 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 5230552 7404292 361732 4.45 86032 2248612 632236 6.89 527240 2075580 3224 01:10:01 5212072 7396272 369872 4.55 86148 2259068 654456 7.13 533132 2086168 220 01:20:02 5139076 7375932 389588 4.79 86568 2310916 845716 9.21 553064 2128136 1548 Average: 5193900 7392165 373731 4.60 86249 2272865 710803 7.74 537812 2096628 1664 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:02 ens3 56.60 40.57 317.97 10.59 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 38.93 32.72 35.79 4.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 50.75 49.40 13.90 6.64 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 48.77 40.91 122.54 7.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46726) 09/02/26 _x86_64_ (2 CPU) 00:42:45 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 11.95 0.00 2.09 0.62 0.01 85.32 01:00:02 0 13.78 0.00 2.18 0.74 0.01 83.28 01:00:02 1 10.13 0.00 1.99 0.51 0.01 87.36 01:10:01 all 4.17 0.00 0.51 0.01 0.01 95.30 01:10:01 0 4.54 0.00 0.58 0.01 0.01 94.86 01:10:01 1 3.80 0.00 0.45 0.02 0.01 95.72 01:20:02 all 7.11 0.00 0.71 0.04 0.01 92.13 01:20:02 0 6.02 0.00 0.75 0.06 0.01 93.16 01:20:02 1 8.19 0.00 0.67 0.02 0.01 91.11 Average: all 7.77 0.00 1.11 0.23 0.01 90.88 Average: 0 8.17 0.00 1.18 0.27 0.01 90.37 Average: 1 7.38 0.00 1.04 0.18 0.01 91.38