---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36022 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 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 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 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 790 5122 4 2322 7151 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:6d:5e:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83996sec preferred_lft 83996sec inet6 fe80::f816:3eff:fe6d:5ecc/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-36022) 08/12/26 _x86_64_ (2 CPU) 00:40:50 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 26.50 2.83 21.34 2.33 223.74 3413.31 683.13 01:10:02 1.65 0.00 1.64 0.02 0.00 70.04 1.76 01:20:01 3.92 0.04 2.91 0.96 1.39 351.05 2156.08 Average: 10.71 0.96 8.64 1.10 75.20 1280.18 945.73 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 5210272 7383924 383924 4.72 85876 2248312 651976 7.10 599452 2020316 2960 01:10:02 5196304 7382796 385084 4.74 86052 2261092 667168 7.27 607380 2033264 800 01:20:01 5302084 7371912 404668 4.98 87468 2150732 628140 6.84 611420 1924052 23328 Average: 5236220 7379544 391225 4.81 86465 2220045 649095 7.07 606084 1992544 9029 00:50:01 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 67.87 45.34 317.06 11.45 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 41.78 34.36 15.53 4.49 0.00 0.00 0.00 0.00 01:20:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 38.64 34.19 26.60 18.20 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 49.45 37.97 119.92 11.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36022) 08/12/26 _x86_64_ (2 CPU) 00:40:50 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 11.95 0.00 1.86 0.59 0.07 85.52 01:00:02 0 7.92 0.00 1.63 0.50 0.06 89.88 01:00:02 1 15.99 0.00 2.10 0.68 0.08 81.16 01:10:02 all 4.73 0.00 0.47 0.01 0.09 94.70 01:10:02 0 3.07 0.00 0.46 0.02 0.08 96.37 01:10:02 1 6.41 0.00 0.48 0.00 0.09 93.02 01:20:01 all 9.40 0.00 0.74 0.04 0.09 89.73 01:20:01 0 12.82 0.00 0.76 0.06 0.10 86.26 01:20:01 1 5.96 0.00 0.72 0.02 0.08 93.22 Average: all 8.72 0.00 1.03 0.22 0.08 89.95 Average: 0 7.95 0.00 0.96 0.19 0.08 90.82 Average: 1 9.50 0.00 1.11 0.24 0.08 89.07