---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27510 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: 5599.94 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 782 5108 4 2351 7159 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:ec:24:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50447sec preferred_lft 50447sec inet6 fe80::f816:3eff:feec:246c/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-27510) 06/16/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.69 0.01 1.66 0.02 0.81 20.09 1.61 00:20:04 1.73 0.11 1.59 0.03 3.04 23.37 835.37 00:30:01 1.83 0.00 1.81 0.02 0.00 21.02 455.51 00:40:01 23.79 2.98 18.54 2.27 225.57 3416.37 911.45 00:50:04 1.52 0.00 1.50 0.02 0.00 21.91 0.33 Average: 6.11 0.62 5.02 0.47 45.84 699.88 440.84 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6066708 7464448 344640 4.24 55496 1538184 575820 6.27 501552 1310588 356 00:20:04 6109828 7469208 339756 4.18 55652 1499656 573840 6.25 500148 1271960 328 00:30:01 6114528 7474556 334304 4.11 55804 1500084 628916 6.85 505360 1272448 240 00:40:01 5100268 7374620 382244 4.70 106324 2319436 680188 7.41 622992 2097204 240 00:50:04 5023172 7299456 457532 5.63 106444 2321340 718132 7.82 653304 2099208 636 Average: 5682901 7416458 371695 4.57 75944 1835740 635379 6.92 556671 1610282 360 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.22 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:20:04 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:04 ens3 0.15 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.51 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 68.24 45.73 314.96 12.99 0.00 0.00 0.00 0.00 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 13.13 9.98 72.04 1.06 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.45 11.19 77.45 2.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27510) 06/16/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.28 0.00 0.11 0.01 0.03 99.57 00:10:01 0 0.50 0.00 0.11 0.01 0.02 99.35 00:10:01 1 0.05 0.00 0.12 0.00 0.03 99.79 00:20:04 all 0.64 0.00 0.21 0.01 0.03 99.11 00:20:04 0 0.64 0.00 0.25 0.01 0.03 99.06 00:20:04 1 0.63 0.00 0.18 0.01 0.02 99.16 00:30:01 all 0.26 0.00 0.17 0.03 0.02 99.53 00:30:01 0 0.27 0.00 0.17 0.06 0.02 99.49 00:30:01 1 0.25 0.00 0.16 0.01 0.02 99.56 00:40:01 all 12.81 0.00 1.82 0.49 0.05 84.84 00:40:01 0 10.50 0.00 1.70 0.31 0.05 87.44 00:40:01 1 15.13 0.00 1.93 0.66 0.05 82.24 00:50:04 all 0.88 0.00 0.19 0.02 0.04 98.87 00:50:04 0 1.08 0.00 0.26 0.02 0.06 98.58 00:50:04 1 0.67 0.00 0.12 0.02 0.03 99.16 Average: all 2.97 0.00 0.50 0.11 0.03 96.39 Average: 0 2.59 0.00 0.50 0.08 0.04 96.79 Average: 1 3.34 0.00 0.50 0.14 0.03 95.99