---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1121 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 749 5302 4 2178 7192 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:0d:14:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82355sec preferred_lft 82355sec inet6 fe80::f816:3eff:fe0d:14fb/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-1121) 04/08/26 _x86_64_ (2 CPU) 00:41:50 LINUX RESTART (2 CPU) 00:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.40 0.01 1.38 0.01 0.05 16.78 0.40 01:10:23 1.21 0.00 1.20 0.00 0.00 14.99 0.03 01:20:33 1.28 0.00 1.28 0.00 0.01 15.16 0.17 01:30:01 1.31 0.00 1.30 0.01 0.00 16.70 6.22 01:40:20 1.65 0.43 1.22 0.00 16.37 81.81 0.06 Average: 1.37 0.09 1.27 0.01 3.39 29.46 1.31 00:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6237272 7512640 307084 3.78 30812 1450080 521928 5.68 460712 1200080 132 01:10:23 6246400 7522308 297372 3.66 31012 1450412 577060 6.29 466088 1200608 224 01:20:33 6259104 7535508 284272 3.50 31168 1450740 522128 5.69 460948 1201096 124 01:30:01 6269192 7546108 273600 3.36 31344 1451064 522128 5.69 460968 1201596 132 01:40:20 6180000 7483876 335360 4.12 31836 1477120 548136 5.97 499244 1226500 632 Average: 6238394 7520088 299538 3.68 31234 1455883 538276 5.86 469592 1205976 249 00:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.93 0.07 0.12 0.04 0.00 0.00 0.00 0.00 01:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 0.81 0.05 4.20 0.03 0.00 0.00 0.00 0.00 01:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:33 ens3 0.44 0.04 0.87 0.01 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 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 01:40:20 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 12.66 7.43 39.67 3.34 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.09 1.57 9.25 0.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1121) 04/08/26 _x86_64_ (2 CPU) 00:41:50 LINUX RESTART (2 CPU) 00:50:19 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.16 0.01 0.02 99.54 01:00:01 0 0.16 0.00 0.16 0.00 0.02 99.66 01:00:01 1 0.39 0.00 0.17 0.02 0.02 99.41 01:10:23 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:23 0 0.49 0.00 0.07 0.01 0.02 99.41 01:10:23 1 0.08 0.00 0.09 0.01 0.03 99.80 01:20:33 all 0.23 0.00 0.08 0.01 0.02 99.66 01:20:33 0 0.20 0.00 0.07 0.01 0.02 99.69 01:20:33 1 0.26 0.00 0.08 0.00 0.02 99.63 01:30:01 all 0.30 0.00 0.16 0.01 0.03 99.50 01:30:01 0 0.31 0.00 0.16 0.01 0.03 99.50 01:30:01 1 0.29 0.00 0.17 0.01 0.02 99.51 01:40:20 all 0.71 0.00 0.14 0.02 0.03 99.11 01:40:20 0 0.97 0.00 0.13 0.02 0.02 98.86 01:40:20 1 0.46 0.00 0.14 0.01 0.03 99.36 Average: all 0.36 0.00 0.12 0.01 0.02 99.48 Average: 0 0.43 0.00 0.12 0.01 0.02 99.42 Average: 1 0.29 0.00 0.13 0.01 0.03 99.54