---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3740 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 22% / 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 765 5104 4 2369 7176 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:f9:56:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82125sec preferred_lft 82125sec inet6 fe80::f816:3eff:fef9:56c6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3740) 04/17/26 _x86_64_ (2 CPU) 01:48:30 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:32 2.31 0.33 1.95 0.03 39.25 76.09 414.64 02:10:33 1.21 0.01 1.19 0.00 0.05 14.70 0.36 02:20:01 1.09 0.00 1.09 0.00 0.01 13.46 0.00 02:30:08 1.37 0.00 1.35 0.02 0.00 18.14 646.49 02:40:33 1.19 0.00 1.19 0.00 0.00 14.40 0.00 02:50:01 14.51 0.00 1.24 13.27 0.16 15.09 115339.61 Average: 3.50 0.06 1.34 2.10 6.92 25.86 18370.09 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:32 6259604 7535420 284484 3.50 30916 1450352 521316 5.68 449072 1200184 124 02:10:33 6249552 7525928 293964 3.61 31112 1450716 523784 5.71 459784 1200740 224 02:20:01 6249788 7526616 293272 3.61 31260 1451008 523784 5.71 459932 1201184 160 02:30:08 6242308 7519680 300168 3.69 31456 1451336 523932 5.71 460196 1201708 216 02:40:33 6250120 7528040 291800 3.59 31600 1451732 524000 5.71 460624 1202184 124 02:50:01 6249656 7528232 291552 3.59 31760 1452216 524192 5.71 461500 1202672 160 Average: 6250171 7527319 292540 3.60 31351 1451227 523501 5.70 458518 1201445 168 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:32 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:32 ens3 1.70 0.25 3.06 0.05 0.00 0.00 0.00 0.00 02:10:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:33 ens3 0.39 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.33 0.03 0.19 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.30 0.03 0.24 0.01 0.00 0.00 0.00 0.00 02:40:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:33 ens3 0.36 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.58 0.28 0.19 0.50 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.62 0.11 0.67 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3740) 04/17/26 _x86_64_ (2 CPU) 01:48:30 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:32 all 0.39 0.00 0.19 0.58 0.03 98.82 02:00:32 0 0.45 0.00 0.16 0.75 0.03 98.61 02:00:32 1 0.33 0.00 0.21 0.40 0.03 99.02 02:10:33 all 0.28 0.00 0.08 0.06 0.02 99.56 02:10:33 0 0.10 0.00 0.10 0.09 0.03 99.68 02:10:33 1 0.47 0.00 0.05 0.02 0.02 99.43 02:20:01 all 0.23 0.00 0.07 0.02 0.04 99.63 02:20:01 0 0.11 0.00 0.07 0.02 0.04 99.76 02:20:01 1 0.35 0.00 0.07 0.03 0.04 99.51 02:30:08 all 0.26 0.00 0.17 0.67 0.04 98.87 02:30:08 0 0.35 0.00 0.17 0.88 0.04 98.56 02:30:08 1 0.16 0.00 0.17 0.46 0.04 99.17 02:40:33 all 0.27 0.00 0.07 0.16 0.02 99.48 02:40:33 0 0.48 0.00 0.05 0.32 0.02 99.14 02:40:33 1 0.06 0.00 0.09 0.00 0.02 99.82 02:50:01 all 0.27 0.00 0.09 0.31 0.02 99.31 02:50:01 0 0.29 0.00 0.07 0.09 0.02 99.52 02:50:01 1 0.24 0.00 0.11 0.53 0.02 99.10 Average: all 0.28 0.00 0.11 0.30 0.03 99.27 Average: 0 0.30 0.00 0.11 0.37 0.03 99.20 Average: 1 0.27 0.00 0.12 0.24 0.03 99.34