---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26371 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 751 5128 4 2362 7189 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:da:2c:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51296sec preferred_lft 51296sec inet6 fe80::f816:3eff:feda:2cae/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-26371) 06/11/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.85 0.02 1.82 0.02 0.83 21.29 0.25 00:20:16 2.07 0.10 1.93 0.04 2.98 26.98 832.53 00:30:16 1.70 0.00 1.68 0.02 0.00 18.92 0.37 00:40:01 24.58 3.06 19.20 2.32 231.24 3526.99 554.96 Average: 7.45 0.78 6.08 0.59 57.70 882.23 351.06 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6116788 7518004 291032 3.58 54376 1542740 538448 5.86 466268 1313648 276 00:20:16 6136908 7499804 309072 3.80 54552 1504176 535868 5.84 464968 1275044 232 00:30:16 6154876 7518224 290656 3.57 54680 1504504 536000 5.84 465020 1275500 264 00:40:01 5118284 7405332 351132 4.32 105336 2332972 629616 6.86 596352 2109472 924 Average: 5881714 7485341 310473 3.82 67236 1721098 559983 6.10 498152 1493416 424 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:16 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:16 ens3 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.54 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 66.59 44.97 327.75 12.24 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.57 11.09 80.48 3.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26371) 06/11/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.01 0.01 99.64 00:10:01 0 0.29 0.00 0.09 0.01 0.01 99.59 00:10:01 1 0.18 0.00 0.11 0.01 0.01 99.69 00:20:16 all 0.68 0.00 0.23 0.01 0.01 99.07 00:20:16 0 0.88 0.00 0.23 0.01 0.01 98.87 00:20:16 1 0.48 0.00 0.22 0.02 0.01 99.28 00:30:16 all 0.29 0.00 0.17 0.01 0.01 99.52 00:30:16 0 0.35 0.00 0.15 0.01 0.01 99.47 00:30:16 1 0.23 0.00 0.18 0.01 0.01 99.57 00:40:01 all 12.85 0.00 1.85 0.56 0.04 84.70 00:40:01 0 8.93 0.00 1.45 0.46 0.03 89.13 00:40:01 1 16.76 0.00 2.26 0.65 0.05 80.28 Average: all 3.45 0.00 0.58 0.14 0.02 95.80 Average: 0 2.58 0.00 0.48 0.12 0.02 96.81 Average: 1 4.33 0.00 0.68 0.17 0.02 94.80