---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17250 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 5231 4 2257 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:d8:a3:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83089sec preferred_lft 83089sec inet6 fe80::f816:3eff:fed8:a3f2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17250) 05/21/26 _x86_64_ (2 CPU) 00:16:15 LINUX RESTART (2 CPU) 00:20:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:29 1.41 0.02 1.38 0.01 1.24 17.80 434.77 00:40:09 14.78 0.28 1.52 12.98 33.34 76.41 112888.10 00:50:20 1.17 0.00 1.17 0.00 0.00 14.48 0.35 01:00:37 1.54 0.02 1.48 0.03 2.09 18.30 424.64 01:10:09 31.38 3.36 24.55 3.47 243.99 4095.38 3589.10 Average: 9.73 0.71 5.83 3.20 53.94 810.30 22822.53 00:20:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:29 6290264 7537540 283004 3.48 30608 1422304 530820 5.78 444576 1183424 168 00:40:09 6246348 7520668 299280 3.68 30956 1448640 530896 5.78 454292 1201004 144 00:50:20 6246348 7521236 298664 3.67 31152 1449008 531032 5.78 454344 1201560 196 01:00:37 6264820 7540916 278936 3.43 31376 1449964 531160 5.79 455352 1202188 132 01:10:09 5357412 7365696 411564 5.06 88596 2089012 673064 7.33 649908 1852696 14256 Average: 6081038 7497211 314290 3.86 42538 1571786 559394 6.09 491694 1328174 2979 00:20:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:29 ens3 0.84 0.13 0.20 0.10 0.00 0.00 0.00 0.00 00:40:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:09 ens3 0.82 0.33 3.38 0.12 0.00 0.00 0.00 0.00 00:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:20 ens3 0.41 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:00:37 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:37 ens3 0.36 0.18 0.11 0.59 0.00 0.00 0.00 0.00 01:10:09 lo 3.17 3.17 0.28 0.28 0.00 0.00 0.00 0.00 01:10:09 ens3 74.10 53.13 340.54 15.85 0.00 0.00 0.00 0.00 Average: lo 1.42 1.42 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 14.69 10.32 66.02 3.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17250) 05/21/26 _x86_64_ (2 CPU) 00:16:15 LINUX RESTART (2 CPU) 00:20:27 CPU %user %nice %system %iowait %steal %idle 00:30:29 all 0.31 0.00 0.18 0.01 0.02 99.48 00:30:29 0 0.21 0.00 0.18 0.01 0.02 99.57 00:30:29 1 0.40 0.00 0.17 0.01 0.02 99.39 00:40:09 all 0.40 0.00 0.12 0.04 0.02 99.42 00:40:09 0 0.34 0.00 0.16 0.07 0.02 99.40 00:40:09 1 0.45 0.00 0.08 0.01 0.02 99.44 00:50:20 all 0.26 0.00 0.08 0.03 0.02 99.61 00:50:20 0 0.07 0.00 0.10 0.04 0.02 99.78 00:50:20 1 0.46 0.00 0.07 0.02 0.01 99.44 01:00:37 all 0.36 0.00 0.18 0.04 0.01 99.41 01:00:37 0 0.34 0.00 0.19 0.05 0.01 99.41 01:00:37 1 0.38 0.00 0.16 0.02 0.01 99.41 01:10:09 all 18.73 0.00 2.35 0.73 0.06 78.13 01:10:09 0 20.69 0.00 2.58 1.09 0.07 75.56 01:10:09 1 16.76 0.00 2.12 0.36 0.06 80.70 Average: all 3.85 0.00 0.56 0.16 0.03 95.39 Average: 0 4.16 0.00 0.62 0.24 0.03 94.95 Average: 1 3.55 0.00 0.50 0.08 0.03 95.84