---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3806 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 771 5266 4 2192 7170 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:70:32:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84149sec preferred_lft 84149sec inet6 fe80::f816:3eff:fe70:32c4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3806) 04/17/26 _x86_64_ (2 CPU) 02:58:02 LINUX RESTART (2 CPU) 03:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:00 12.32 1.45 9.49 1.38 116.90 1444.53 1285.29 03:20:00 1.40 0.01 1.37 0.01 0.17 27.76 0.68 03:30:01 1.54 0.00 1.47 0.07 0.00 25.76 1.11 Average: 5.08 0.49 4.11 0.49 39.00 499.04 428.74 03:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:00 5340516 7425012 347464 4.27 84664 2164280 625112 6.81 577728 1933816 136 03:20:00 5326160 7414284 357992 4.40 84868 2167704 645708 7.03 589936 1937436 144 03:30:01 5307436 7398028 374140 4.60 85072 2169948 650620 7.09 595272 1939892 196 Average: 5324704 7412441 359865 4.43 84868 2167311 640480 6.98 587645 1937048 159 03:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:00 lo 1.17 1.17 0.09 0.09 0.00 0.00 0.00 0.00 03:10:00 ens3 9.07 7.41 36.05 2.21 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 10.53 9.44 2.01 2.50 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 2.57 2.29 0.46 1.22 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 7.39 6.38 12.83 1.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3806) 04/17/26 _x86_64_ (2 CPU) 02:58:02 LINUX RESTART (2 CPU) 03:00:00 CPU %user %nice %system %iowait %steal %idle 03:10:00 all 5.98 0.00 0.90 3.32 0.04 89.76 03:10:00 0 4.13 0.00 0.75 2.67 0.04 92.41 03:10:00 1 7.84 0.00 1.05 3.97 0.04 87.10 03:20:00 all 1.63 0.00 0.21 0.05 0.04 98.08 03:20:00 0 2.23 0.00 0.24 0.06 0.04 97.43 03:20:00 1 1.02 0.00 0.19 0.04 0.03 98.72 03:30:01 all 1.12 0.00 0.40 0.04 0.03 98.41 03:30:01 0 1.26 0.00 0.46 0.04 0.03 98.21 03:30:01 1 0.98 0.00 0.34 0.03 0.03 98.61 Average: all 2.91 0.00 0.50 1.14 0.03 95.41 Average: 0 2.54 0.00 0.48 0.92 0.04 96.02 Average: 1 3.28 0.00 0.53 1.35 0.03 94.81