---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-46251 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: 5600.00 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 8.6G 30G 23% / 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 4385 4 3069 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:1c:e7:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83199sec preferred_lft 83199sec inet6 fe80::f816:3eff:fe1c:e7db/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-46251) 08/31/26 _x86_64_ (2 CPU) 02:45:17 LINUX RESTART (2 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:02 25.27 15.40 8.86 1.01 347.39 1164.06 630.46 03:10:06 1.40 0.00 1.34 0.05 0.04 60.34 8.36 03:20:01 1.66 0.00 1.62 0.04 0.01 626.78 5.63 03:30:06 1.78 0.00 1.77 0.01 0.00 509.10 649.16 Average: 7.53 3.85 3.40 0.28 86.84 589.24 324.28 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:02 5119976 7384704 372816 4.58 89028 2328284 694124 7.56 541728 2147068 752 03:10:06 5116400 7394580 362540 4.46 89252 2341308 654704 7.13 543372 2160332 296 03:20:01 4880320 7343788 410388 5.05 89444 2523696 726228 7.91 565864 2342872 824 03:30:06 4707632 7323640 430080 5.29 89616 2671840 725688 7.90 589852 2491100 284 Average: 4956082 7361678 393956 4.84 89335 2466282 700186 7.63 560204 2285343 539 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:02 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:02 ens3 58.99 46.52 52.23 10.61 0.00 0.00 0.00 0.00 03:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:06 ens3 20.25 20.06 6.50 2.04 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 47.56 45.26 207.59 4.51 0.00 0.00 0.00 0.00 03:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:06 ens3 30.94 26.62 171.36 2.63 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 39.38 34.56 109.15 4.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46251) 08/31/26 _x86_64_ (2 CPU) 02:45:17 LINUX RESTART (2 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:02 all 8.05 0.16 1.24 0.32 0.02 90.22 03:00:02 0 8.87 0.16 1.29 0.28 0.02 89.38 03:00:02 1 7.22 0.15 1.19 0.37 0.01 91.07 03:10:06 all 4.50 0.00 0.69 0.01 0.01 94.78 03:10:06 0 6.06 0.00 0.72 0.00 0.01 93.20 03:10:06 1 2.95 0.00 0.66 0.01 0.01 96.36 03:20:01 all 4.52 0.00 0.81 0.04 0.01 94.62 03:20:01 0 4.43 0.00 0.72 0.03 0.01 94.82 03:20:01 1 4.61 0.00 0.89 0.04 0.02 94.43 03:30:06 all 4.31 0.00 0.64 0.02 0.01 95.02 03:30:06 0 5.82 0.00 0.67 0.02 0.01 93.48 03:30:06 1 2.80 0.00 0.62 0.02 0.01 96.55 Average: all 5.35 0.04 0.84 0.10 0.01 93.66 Average: 0 6.30 0.04 0.85 0.08 0.01 92.71 Average: 1 4.39 0.04 0.84 0.11 0.01 94.61