---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2231 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 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 840 5083 4 2307 7101 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:65:ce:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83454sec preferred_lft 83454sec inet6 fe80::f816:3eff:fe65:ceb1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2231) 04/12/26 _x86_64_ (2 CPU) 03:08:20 LINUX RESTART (2 CPU) 03:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:05 11.88 1.28 9.24 1.35 111.67 1699.08 460.53 03:30:06 1.57 0.01 1.54 0.02 0.05 112.66 0.59 03:40:08 1.37 0.00 1.36 0.00 0.20 77.01 0.19 03:50:10 14.86 0.00 1.48 13.38 0.15 29.42 106370.81 Average: 7.42 0.32 3.40 3.69 28.00 479.23 26705.73 03:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:05 5314224 7408768 363572 4.47 83892 2175176 677956 7.38 593748 1944368 1536 03:30:06 5238312 7361604 410288 5.05 84056 2203744 712512 7.76 628796 1973040 1676 03:40:08 5226052 7367100 404660 4.98 84224 2221052 688908 7.50 629600 1990576 132 03:50:10 5221580 7366932 404648 4.98 84364 2225156 688908 7.50 629752 1994784 152 Average: 5250042 7376101 395792 4.87 84134 2206282 692071 7.54 620474 1975692 874 03:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:05 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:20:05 ens3 94.64 72.65 55.70 13.02 0.00 0.00 0.00 0.00 03:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:06 ens3 13.65 13.72 13.09 1.17 0.00 0.00 0.00 0.00 03:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:08 ens3 13.17 12.96 8.53 1.15 0.00 0.00 0.00 0.00 03:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:10 ens3 24.76 24.75 4.83 1.72 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 36.54 31.01 20.53 4.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2231) 04/12/26 _x86_64_ (2 CPU) 03:08:20 LINUX RESTART (2 CPU) 03:10:04 CPU %user %nice %system %iowait %steal %idle 03:20:05 all 7.82 0.00 1.35 0.22 0.06 90.56 03:20:05 0 8.25 0.00 1.41 0.19 0.06 90.09 03:20:05 1 7.38 0.00 1.28 0.24 0.07 91.03 03:30:06 all 4.04 0.00 0.69 0.01 0.08 95.18 03:30:06 0 4.49 0.00 0.69 0.01 0.09 94.73 03:30:06 1 3.59 0.00 0.69 0.02 0.08 95.62 03:40:08 all 3.50 0.00 0.50 0.01 0.08 95.91 03:40:08 0 3.50 0.00 0.53 0.01 0.08 95.88 03:40:08 1 3.51 0.00 0.46 0.00 0.09 95.94 03:50:10 all 1.51 0.00 0.34 0.03 0.09 98.03 03:50:10 0 1.58 0.00 0.36 0.06 0.09 97.90 03:50:10 1 1.44 0.00 0.31 0.00 0.08 98.16 Average: all 4.22 0.00 0.72 0.07 0.08 94.92 Average: 0 4.45 0.00 0.75 0.07 0.08 94.65 Average: 1 3.98 0.00 0.69 0.06 0.08 95.19