---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1012 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 766 5281 4 2182 7175 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:37:69:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82111sec preferred_lft 82111sec inet6 fe80::f816:3eff:fe37:69ae/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-1012) 04/07/26 _x86_64_ (2 CPU) 15:56:37 LINUX RESTART (2 CPU) 16:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:00 1.21 0.03 1.18 0.00 1.24 14.99 0.12 16:20:00 1.19 0.01 1.16 0.01 0.07 14.96 0.96 16:30:00 1.39 0.00 1.36 0.03 0.00 17.49 873.13 16:40:00 1.83 0.32 1.48 0.03 40.07 72.75 1.57 16:50:00 13.83 0.00 1.26 12.57 0.15 15.63 109133.15 17:00:00 1.41 0.00 1.38 0.03 0.00 17.88 1.40 Average: 3.47 0.06 1.30 2.11 6.92 25.62 18334.75 16:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:00 6308720 7555672 264964 3.26 30564 1422076 527512 5.75 446620 1183068 164 16:20:00 6307740 7555252 265384 3.26 30792 1422404 527512 5.75 446620 1183624 128 16:30:00 6292076 7540144 280452 3.45 31000 1422732 527580 5.75 446784 1184160 128 16:40:00 6246992 7524128 295884 3.64 31400 1451036 527580 5.75 458228 1201476 132 16:50:00 6246520 7524248 295748 3.64 31588 1451412 527708 5.75 458492 1202024 128 17:00:00 6251096 7529508 290468 3.57 31796 1451868 530776 5.78 460524 1202560 132 Average: 6275524 7538159 282150 3.47 31190 1436921 528111 5.75 452878 1192819 135 16:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:00 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 16:10:00 ens3 1.09 0.04 0.09 0.01 0.00 0.00 0.00 0.00 16:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:20:00 ens3 0.57 0.05 1.90 0.03 0.00 0.00 0.00 0.00 16:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:30:00 ens3 0.32 0.04 0.05 0.01 0.00 0.00 0.00 0.00 16:40:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 16:40:00 ens3 0.61 0.23 3.24 0.05 0.00 0.00 0.00 0.00 16:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:50:00 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 17:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:00:00 ens3 0.27 0.07 0.09 0.05 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 0.51 0.08 0.90 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1012) 04/07/26 _x86_64_ (2 CPU) 15:56:37 LINUX RESTART (2 CPU) 16:00:00 CPU %user %nice %system %iowait %steal %idle 16:10:00 all 0.28 0.00 0.38 0.10 0.03 99.21 16:10:00 0 0.10 0.00 0.09 0.12 0.03 99.66 16:10:00 1 0.45 0.00 0.68 0.09 0.02 98.76 16:20:00 all 0.26 0.00 0.08 0.02 0.02 99.62 16:20:00 0 0.35 0.00 0.07 0.01 0.02 99.56 16:20:00 1 0.17 0.00 0.10 0.02 0.03 99.68 16:30:00 all 0.26 0.00 0.17 0.01 0.02 99.55 16:30:00 0 0.44 0.00 0.16 0.01 0.02 99.37 16:30:00 1 0.08 0.00 0.17 0.01 0.03 99.72 16:40:00 all 0.35 0.00 0.12 0.02 0.03 99.49 16:40:00 0 0.46 0.00 0.09 0.03 0.02 99.41 16:40:00 1 0.24 0.00 0.14 0.02 0.03 99.57 16:50:00 all 0.27 0.00 0.09 0.03 0.03 99.58 16:50:00 0 0.47 0.00 0.05 0.02 0.02 99.44 16:50:00 1 0.07 0.00 0.12 0.04 0.04 99.73 17:00:00 all 0.28 0.00 0.17 0.01 0.03 99.51 17:00:00 0 0.32 0.00 0.16 0.02 0.03 99.47 17:00:00 1 0.24 0.00 0.17 0.00 0.03 99.56 Average: all 0.28 0.00 0.17 0.03 0.03 99.49 Average: 0 0.36 0.00 0.10 0.03 0.02 99.48 Average: 1 0.21 0.00 0.23 0.03 0.03 99.50