---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39819 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 770 5188 4 2275 7171 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:0b:4b:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83409sec preferred_lft 83409sec inet6 fe80::f816:3eff:fe0b:4b00/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39819) 08/22/26 _x86_64_ (2 CPU) 00:41:43 LINUX RESTART (2 CPU) 00:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 26.19 2.87 20.93 2.39 227.64 3547.44 482.32 01:10:15 1.25 0.00 1.23 0.02 0.00 15.27 1.69 01:20:25 1.38 0.00 1.38 0.00 0.01 16.24 0.34 01:30:01 2.66 0.79 1.84 0.03 100.76 94.13 58.96 Average: 7.77 0.90 6.27 0.60 80.43 905.68 133.69 00:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5212412 7391980 375928 4.62 85836 2253996 655924 7.14 604608 2026168 124 01:10:15 5212124 7392144 375820 4.62 85992 2254352 656148 7.15 605128 2026680 192 01:20:25 5212332 7392856 375120 4.61 86148 2254700 656268 7.15 605480 2027184 124 01:30:01 5397036 7421876 354548 4.36 86608 2106280 604296 6.58 593404 1868416 1132 Average: 5258476 7399714 370354 4.55 86146 2217332 643159 7.01 602155 1987112 393 00:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 67.37 44.38 326.23 10.38 0.00 0.00 0.00 0.00 01:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 3.80 0.70 0.73 1.15 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 1.37 0.39 0.33 0.18 0.00 0.00 0.00 0.00 01:30:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 6.62 4.30 15.46 1.47 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 19.54 12.26 84.46 3.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39819) 08/22/26 _x86_64_ (2 CPU) 00:41:43 LINUX RESTART (2 CPU) 00:50:12 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 12.09 0.00 1.90 0.50 0.06 85.46 01:00:01 0 11.14 0.00 1.90 0.68 0.06 86.23 01:00:01 1 13.03 0.00 1.89 0.33 0.05 84.69 01:10:15 all 0.36 0.00 0.14 0.01 0.07 99.42 01:10:15 0 0.29 0.00 0.17 0.00 0.09 99.45 01:10:15 1 0.44 0.00 0.11 0.01 0.05 99.39 01:20:25 all 0.36 0.00 0.13 0.01 0.07 99.44 01:20:25 0 0.29 0.00 0.19 0.00 0.11 99.41 01:20:25 1 0.43 0.00 0.06 0.01 0.03 99.46 01:30:01 all 0.73 0.00 0.34 0.03 0.07 98.84 01:30:01 0 0.79 0.00 0.33 0.01 0.09 98.79 01:30:01 1 0.67 0.00 0.34 0.05 0.05 98.89 Average: all 3.34 0.00 0.62 0.13 0.07 95.84 Average: 0 3.09 0.00 0.64 0.17 0.08 96.02 Average: 1 3.60 0.00 0.59 0.10 0.05 95.66