---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3376 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 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 784 5172 4 2278 7157 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:2b:50:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84353sec preferred_lft 84353sec inet6 fe80::f816:3eff:fe2b:50d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3376) 08/08/26 _x86_64_ (2 CPU) 02:56:21 LINUX RESTART (2 CPU) 03:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 15.02 1.44 12.10 1.48 121.17 1881.23 617.39 03:20:03 2.41 0.72 1.67 0.02 94.88 76.38 273.87 03:30:03 5.58 0.08 4.24 1.27 6.05 221.19 3323.50 Average: 7.65 0.74 5.99 0.92 74.00 723.90 1404.46 03:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5208980 7391596 375736 4.62 86432 2256276 660024 7.19 594248 2028672 128 03:20:03 5152916 7364904 401868 4.94 86920 2285072 660156 7.19 605540 2047332 172 03:30:03 5348188 7374524 402124 4.94 91564 2103588 641176 6.98 612316 1868984 14024 Average: 5236695 7377008 393243 4.84 88305 2214979 653785 7.12 604035 1981663 4775 03:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 03:10:01 ens3 30.86 21.04 40.16 5.47 0.00 0.00 0.00 0.00 03:20:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 1.37 0.67 3.34 0.09 0.00 0.00 0.00 0.00 03:30:03 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 03:30:03 ens3 7.18 5.16 9.17 3.38 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 13.10 8.93 17.51 2.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3376) 08/08/26 _x86_64_ (2 CPU) 02:56:21 LINUX RESTART (2 CPU) 03:00:03 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 6.45 0.00 1.09 0.42 0.10 91.94 03:10:01 0 4.99 0.00 0.99 0.43 0.07 93.53 03:10:01 1 7.92 0.00 1.20 0.42 0.13 90.34 03:20:03 all 0.48 0.00 0.19 0.04 0.09 99.20 03:20:03 0 0.43 0.00 0.17 0.04 0.10 99.27 03:20:03 1 0.54 0.00 0.21 0.04 0.08 99.12 03:30:03 all 3.87 0.00 0.62 0.10 0.09 95.31 03:30:03 0 1.40 0.00 0.49 0.17 0.06 97.89 03:30:03 1 6.35 0.00 0.76 0.04 0.12 92.73 Average: all 3.59 0.00 0.63 0.19 0.09 95.49 Average: 0 2.27 0.00 0.55 0.21 0.07 96.90 Average: 1 4.93 0.00 0.72 0.17 0.11 94.08