---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53427 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 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 792 5093 4 2353 7149 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:ae:ff:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 62333sec preferred_lft 62333sec inet6 fe80::f816:3eff:feae:ff9a/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-53427) 03/28/26 _x86_64_ (2 CPU) 00:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:15 1.59 0.02 1.56 0.02 0.82 19.06 437.88 00:20:01 1.81 0.11 1.66 0.04 3.13 23.24 743.32 00:30:05 1.76 0.00 1.75 0.01 0.00 19.40 429.01 00:40:05 24.23 3.02 18.97 2.23 225.80 3112.93 493.71 00:50:01 1.85 0.01 1.84 0.00 0.48 71.05 0.03 01:00:23 1.75 0.00 1.73 0.02 0.33 78.75 0.39 Average: 5.50 0.52 4.58 0.39 38.42 554.36 347.34 00:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:15 6121112 7508216 300844 3.70 51020 1532396 598348 6.52 481016 1298744 332 00:20:01 6130320 7485696 323280 3.98 51196 1500424 596392 6.50 479940 1266604 172 00:30:05 6126312 7482152 326664 4.02 51324 1500752 598020 6.51 481124 1267060 264 00:40:05 5254920 7436012 325216 4.00 100960 2235736 622696 6.78 563320 2006564 2436 00:50:01 5188940 7382148 379196 4.66 101048 2247880 717960 7.82 616288 2018796 240 01:00:23 5165424 7378924 382236 4.70 101152 2268060 714088 7.78 619776 2038976 2044 Average: 5664505 7445525 339573 4.18 76117 1880875 641251 6.98 540244 1649457 915 00:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:15 ens3 0.20 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.23 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 0.55 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:05 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 00:40:05 ens3 56.29 39.92 297.29 11.34 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 38.68 31.14 8.27 4.11 0.00 0.00 0.00 0.00 01:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:23 ens3 29.00 28.29 8.16 5.01 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 20.95 16.73 52.38 3.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53427) 03/28/26 _x86_64_ (2 CPU) 00:00:23 CPU %user %nice %system %iowait %steal %idle 00:10:15 all 0.24 0.00 0.10 0.01 0.02 99.63 00:10:15 0 0.04 0.00 0.11 0.01 0.03 99.82 00:10:15 1 0.44 0.00 0.09 0.02 0.02 99.44 00:20:01 all 0.60 0.00 0.21 0.02 0.02 99.15 00:20:01 0 0.80 0.00 0.21 0.02 0.02 98.96 00:20:01 1 0.41 0.00 0.22 0.02 0.03 99.33 00:30:05 all 0.26 0.00 0.14 0.01 0.02 99.56 00:30:05 0 0.15 0.00 0.15 0.01 0.02 99.66 00:30:05 1 0.37 0.00 0.14 0.01 0.02 99.46 00:40:05 all 10.60 0.00 1.65 0.59 0.04 87.12 00:40:05 0 13.24 0.00 1.97 0.79 0.04 83.96 00:40:05 1 7.96 0.00 1.33 0.38 0.05 90.28 00:50:01 all 5.91 0.00 0.54 0.08 0.07 93.39 00:50:01 0 8.33 0.00 0.66 0.06 0.07 90.88 00:50:01 1 3.51 0.00 0.43 0.10 0.06 95.90 01:00:23 all 7.01 0.00 0.59 0.06 0.07 92.28 01:00:23 0 7.78 0.00 0.57 0.10 0.07 91.46 01:00:23 1 6.23 0.00 0.60 0.01 0.07 93.09 Average: all 4.13 0.00 0.54 0.13 0.04 95.16 Average: 0 5.08 0.00 0.61 0.17 0.04 94.10 Average: 1 3.18 0.00 0.47 0.09 0.04 96.22