---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10493 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: 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 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 744 5319 4 2166 7197 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:1f:04:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84388sec preferred_lft 84388sec inet6 fe80::f816:3eff:fe1f:465/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10493) 05/03/26 _x86_64_ (2 CPU) 00:17:05 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:19 13.93 0.03 1.73 12.17 1.35 21.09 106574.33 00:40:19 24.16 3.02 18.85 2.29 227.05 3291.25 1103.59 00:50:01 4.61 0.10 3.38 1.13 7.13 211.65 2034.80 Average: 14.32 1.05 7.97 5.31 78.44 1172.52 37632.21 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:19 6288284 7535456 285000 3.50 30572 1422496 532012 5.79 444140 1183252 168 00:40:19 5376216 7464288 307744 3.78 84096 2168472 559560 6.09 531540 1937340 164 00:50:01 5466540 7384440 397152 4.88 86388 2004680 621100 6.76 597784 1774164 24968 Average: 5710347 7461395 329965 4.06 67019 1865216 570891 6.22 524488 1631585 8433 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:19 ens3 2.17 0.09 0.21 0.06 0.00 0.00 0.00 0.00 00:40:19 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:19 ens3 104.56 70.25 309.79 16.90 0.00 0.00 0.00 0.00 00:50:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:50:01 ens3 26.08 18.43 15.46 6.34 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 44.03 29.40 108.31 7.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10493) 05/03/26 _x86_64_ (2 CPU) 00:17:05 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:19 all 0.26 0.00 0.17 0.04 0.03 99.50 00:30:19 0 0.07 0.00 0.17 0.02 0.03 99.71 00:30:19 1 0.46 0.00 0.18 0.06 0.03 99.28 00:40:19 all 10.94 0.00 1.74 5.14 0.05 82.13 00:40:19 0 10.22 0.00 1.73 5.78 0.05 82.22 00:40:19 1 11.65 0.00 1.76 4.51 0.05 82.03 00:50:01 all 7.93 0.00 0.80 0.36 0.06 90.85 00:50:01 0 9.06 0.00 0.88 0.32 0.06 89.68 00:50:01 1 6.79 0.00 0.72 0.41 0.06 92.02 Average: all 6.29 0.00 0.90 1.84 0.05 90.91 Average: 0 6.36 0.00 0.92 2.04 0.05 90.64 Average: 1 6.23 0.00 0.88 1.65 0.05 91.19