---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3752 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 7.9G 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 739 5315 4 2175 7202 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:7a:48:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82157sec preferred_lft 82157sec inet6 fe80::f816:3eff:fe7a:48a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3752) 04/17/26 _x86_64_ (2 CPU) 01:48:10 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.49 0.03 1.46 0.01 1.27 17.72 446.44 02:10:50 1.87 0.30 1.54 0.02 37.03 69.35 1.02 02:20:20 1.26 0.00 1.24 0.02 0.01 15.03 1.14 02:30:01 1.47 0.00 1.44 0.03 0.00 17.76 675.04 02:40:50 1.26 0.00 1.24 0.02 0.00 15.25 1.23 02:50:10 1.39 0.03 1.35 0.02 2.30 16.49 1.07 Average: 1.46 0.06 1.38 0.02 7.26 26.00 182.69 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6279904 7526620 293740 3.61 30528 1421836 533248 5.81 448256 1183040 136 02:10:50 6251008 7527016 292864 3.60 30968 1450312 533380 5.81 459740 1200580 128 02:20:20 6251008 7527532 292352 3.59 31152 1450632 533380 5.81 459768 1201084 132 02:30:01 6257184 7534240 285652 3.51 31360 1450936 533476 5.81 459724 1201596 240 02:40:50 6257512 7535156 284736 3.50 31584 1451300 533568 5.81 460004 1202184 124 02:50:10 6249512 7528424 291464 3.58 31784 1452360 534000 5.82 461552 1202756 136 Average: 6257688 7529831 290135 3.57 31229 1446229 533509 5.81 458174 1198540 149 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.13 0.07 0.13 0.04 0.00 0.00 0.00 0.00 02:10:50 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:50 ens3 0.62 0.22 2.85 0.03 0.00 0.00 0.00 0.00 02:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:20 ens3 0.29 0.03 0.17 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.04 0.25 0.01 0.00 0.00 0.00 0.00 02:40:50 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:50 ens3 0.37 0.06 0.10 0.05 0.00 0.00 0.00 0.00 02:50:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.64 0.37 0.21 0.61 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 0.56 0.13 0.66 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3752) 04/17/26 _x86_64_ (2 CPU) 01:48:10 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.29 0.00 0.16 0.01 0.04 99.51 02:00:00 0 0.33 0.00 0.14 0.01 0.03 99.49 02:00:00 1 0.24 0.00 0.18 0.02 0.04 99.53 02:10:50 all 0.33 0.00 0.11 0.02 0.04 99.49 02:10:50 0 0.36 0.00 0.08 0.01 0.04 99.50 02:10:50 1 0.29 0.00 0.15 0.03 0.04 99.48 02:20:20 all 0.24 0.00 0.07 0.01 0.04 99.64 02:20:20 0 0.44 0.00 0.06 0.02 0.03 99.46 02:20:20 1 0.05 0.00 0.09 0.00 0.04 99.82 02:30:01 all 0.24 0.00 0.17 0.01 0.04 99.54 02:30:01 0 0.42 0.00 0.15 0.01 0.03 99.39 02:30:01 1 0.07 0.00 0.18 0.01 0.05 99.70 02:40:50 all 0.22 0.00 0.07 0.01 0.03 99.66 02:40:50 0 0.30 0.00 0.06 0.02 0.03 99.59 02:40:50 1 0.14 0.00 0.09 0.00 0.04 99.74 02:50:10 all 0.30 0.00 0.08 0.01 0.03 99.58 02:50:10 0 0.21 0.00 0.08 0.01 0.04 99.66 02:50:10 1 0.38 0.00 0.08 0.01 0.03 99.49 Average: all 0.27 0.00 0.11 0.01 0.04 99.57 Average: 0 0.34 0.00 0.09 0.01 0.03 99.52 Average: 1 0.20 0.00 0.13 0.01 0.04 99.63