---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12577 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 747 5211 4 2271 7194 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:f8:c2:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82577sec preferred_lft 82577sec inet6 fe80::f816:3eff:fef8:c267/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12577) 05/11/26 _x86_64_ (2 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.50 0.02 1.47 0.01 0.82 18.08 437.30 00:20:03 2.14 0.37 1.74 0.03 35.41 77.20 372.14 00:30:03 1.52 0.00 1.51 0.02 0.00 18.36 653.53 00:40:01 27.71 3.27 21.08 3.36 240.05 3647.96 2652.33 Average: 8.20 0.91 6.44 0.85 68.93 937.85 1027.23 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6279248 7531208 288644 3.55 30992 1426764 531112 5.78 441600 1188440 240 00:20:03 6249196 7528296 290944 3.58 31492 1452988 530196 5.77 448580 1205868 284 00:30:03 6259876 7539644 279556 3.44 31672 1453440 530260 5.78 449200 1206372 240 00:40:01 5339804 7365592 414472 5.10 88048 2110084 658364 7.17 647176 1871888 13500 Average: 6032031 7491185 318404 3.92 45551 1610819 562483 6.13 496639 1368142 3566 00:00:03 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 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:03 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:20:03 ens3 0.47 0.25 3.12 0.03 0.00 0.00 0.00 0.00 00:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 0.42 0.11 0.14 0.08 0.00 0.00 0.00 0.00 00:40:01 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 00:40:01 ens3 82.42 58.74 348.56 23.54 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.84 14.75 87.72 5.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12577) 05/11/26 _x86_64_ (2 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.11 0.01 0.02 99.59 00:10:01 0 0.07 0.00 0.13 0.01 0.03 99.77 00:10:01 1 0.46 0.00 0.09 0.02 0.02 99.42 00:20:03 all 0.60 0.00 0.24 0.02 0.02 99.12 00:20:03 0 0.55 0.00 0.23 0.03 0.02 99.17 00:20:03 1 0.66 0.00 0.24 0.02 0.02 99.07 00:30:03 all 0.25 0.00 0.16 0.01 0.02 99.55 00:30:03 0 0.38 0.00 0.16 0.00 0.02 99.44 00:30:03 1 0.12 0.00 0.17 0.01 0.03 99.67 00:40:01 all 18.32 0.00 2.06 0.64 0.06 78.92 00:40:01 0 21.65 0.00 2.23 0.86 0.07 75.18 00:40:01 1 14.99 0.00 1.89 0.41 0.06 82.66 Average: all 4.84 0.00 0.64 0.17 0.03 94.32 Average: 0 5.64 0.00 0.69 0.22 0.03 93.41 Average: 1 4.04 0.00 0.59 0.11 0.03 95.22