---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25984 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 7.9G 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 748 5212 4 2273 7193 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:94:1c:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82267sec preferred_lft 82267sec inet6 fe80::f816:3eff:fe94:1c9d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25984) 06/09/26 _x86_64_ (2 CPU) 00:41:42 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.93 0.26 1.64 0.03 31.22 76.21 658.44 01:10:05 1.25 0.00 1.23 0.02 1.05 15.05 1.14 01:20:05 1.21 0.00 1.19 0.02 0.01 14.39 1.09 01:30:01 1.40 0.00 1.37 0.04 0.00 17.73 220.54 01:40:05 1.24 0.00 1.22 0.02 0.00 15.87 1.22 01:50:05 27.07 3.08 20.51 3.48 233.33 3666.97 2597.31 Average: 5.68 0.56 4.52 0.60 44.24 634.30 579.07 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6245100 7523036 297164 3.65 30900 1452308 713780 7.77 458420 1204760 224 01:10:05 6252688 7531488 288744 3.55 31120 1452936 518644 5.65 453512 1205304 176 01:20:05 6260276 7539600 280624 3.45 31308 1453264 518712 5.65 454040 1205820 176 01:30:01 6254996 7534900 285244 3.51 31540 1453596 518712 5.65 453972 1206384 276 01:40:05 6254492 7535112 284932 3.50 31780 1454060 574044 6.25 460260 1206956 204 01:50:05 5346872 7371020 405888 4.99 89276 2103656 647536 7.05 641744 1866980 13860 Average: 6102404 7505859 307099 3.78 40987 1561637 581905 6.34 486991 1316034 2486 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.97 0.34 3.33 0.05 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.33 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.53 0.10 0.14 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.61 0.23 0.18 0.56 0.00 0.00 0.00 0.00 01:50:05 lo 1.35 1.35 0.08 0.08 0.00 0.00 0.00 0.00 01:50:05 ens3 130.98 102.72 351.69 34.25 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 22.29 17.25 59.24 5.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25984) 06/09/26 _x86_64_ (2 CPU) 00:41:42 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.43 0.00 0.21 0.02 0.03 99.31 01:00:01 0 0.45 0.00 0.20 0.02 0.02 99.30 01:00:01 1 0.40 0.00 0.23 0.02 0.03 99.32 01:10:05 all 0.26 0.00 0.08 0.01 0.03 99.63 01:10:05 0 0.13 0.00 0.09 0.01 0.03 99.74 01:10:05 1 0.39 0.00 0.06 0.00 0.02 99.52 01:20:05 all 0.28 0.00 0.07 0.01 0.03 99.61 01:20:05 0 0.06 0.00 0.10 0.01 0.03 99.80 01:20:05 1 0.51 0.00 0.05 0.00 0.02 99.42 01:30:01 all 0.29 0.00 0.17 0.02 0.03 99.50 01:30:01 0 0.16 0.00 0.17 0.02 0.03 99.62 01:30:01 1 0.41 0.00 0.17 0.01 0.03 99.38 01:40:05 all 0.28 0.00 0.08 0.01 0.02 99.61 01:40:05 0 0.47 0.00 0.06 0.02 0.02 99.43 01:40:05 1 0.09 0.00 0.09 0.00 0.03 99.79 01:50:05 all 20.16 0.00 2.20 1.11 0.07 76.46 01:50:05 0 21.34 0.00 2.35 1.68 0.07 74.56 01:50:05 1 18.99 0.00 2.04 0.54 0.07 78.37 Average: all 3.61 0.00 0.47 0.19 0.03 95.70 Average: 0 3.76 0.00 0.49 0.29 0.03 95.42 Average: 1 3.46 0.00 0.44 0.10 0.03 95.98