---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25748 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 759 5209 4 2265 7182 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:a3:f9:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82023sec preferred_lft 82023sec inet6 fe80::f816:3eff:fea3:f9f8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25748) 06/08/26 _x86_64_ (2 CPU) 01:56:49 LINUX RESTART (2 CPU) 02:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:18 1.29 0.03 1.26 0.01 1.24 15.52 0.72 02:20:18 1.18 0.01 1.15 0.02 0.07 14.59 1.20 02:30:05 1.94 0.26 1.64 0.04 32.76 77.25 446.82 02:40:05 1.29 0.00 1.29 0.00 0.00 15.60 0.00 02:50:18 1.48 0.02 1.45 0.00 2.10 16.73 0.04 03:00:18 1.42 0.00 1.41 0.01 0.00 17.20 435.70 Average: 1.43 0.05 1.36 0.01 5.91 25.92 145.75 02:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:18 6304572 7551936 268612 3.30 30616 1422424 527936 5.75 441448 1183248 208 02:20:18 6304068 7551976 268608 3.30 30836 1422756 527996 5.75 441396 1183800 244 02:30:05 6264436 7539480 280540 3.45 31208 1449096 528032 5.75 450604 1201444 224 02:40:05 6255884 7531428 288588 3.55 31392 1449408 530708 5.78 451124 1201940 184 02:50:18 6251396 7528096 291900 3.59 31552 1450392 530772 5.78 451988 1202524 124 03:00:18 6253484 7530824 289096 3.55 31720 1450848 530924 5.78 452752 1203020 208 Average: 6272307 7538957 281224 3.46 31221 1440821 529395 5.77 448219 1195996 199 02:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 1.04 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 0.44 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.55 0.24 3.21 0.03 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.48 0.07 0.13 0.06 0.00 0.00 0.00 0.00 02:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:18 ens3 0.32 0.09 0.08 0.04 0.00 0.00 0.00 0.00 03:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:18 ens3 0.53 0.25 0.15 0.57 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 0.12 0.61 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25748) 06/08/26 _x86_64_ (2 CPU) 01:56:49 LINUX RESTART (2 CPU) 02:00:18 CPU %user %nice %system %iowait %steal %idle 02:10:18 all 0.24 0.00 0.08 0.01 0.03 99.64 02:10:18 0 0.08 0.00 0.09 0.01 0.04 99.80 02:10:18 1 0.41 0.00 0.07 0.02 0.02 99.49 02:20:18 all 0.27 0.00 0.07 0.01 0.03 99.63 02:20:18 0 0.06 0.00 0.09 0.00 0.03 99.82 02:20:18 1 0.47 0.00 0.06 0.01 0.03 99.43 02:30:05 all 0.39 0.00 0.18 0.02 0.03 99.38 02:30:05 0 0.25 0.00 0.20 0.01 0.03 99.50 02:30:05 1 0.53 0.00 0.15 0.03 0.03 99.26 02:40:05 all 0.27 0.00 0.07 0.02 0.03 99.60 02:40:05 0 0.24 0.00 0.07 0.05 0.03 99.62 02:40:05 1 0.31 0.00 0.08 0.00 0.03 99.58 02:50:18 all 0.27 0.00 0.08 0.01 0.02 99.61 02:50:18 0 0.30 0.00 0.07 0.01 0.02 99.60 02:50:18 1 0.24 0.00 0.10 0.01 0.02 99.62 03:00:18 all 0.31 0.00 0.16 0.01 0.02 99.50 03:00:18 0 0.10 0.00 0.16 0.02 0.03 99.70 03:00:18 1 0.52 0.00 0.15 0.01 0.02 99.30 Average: all 0.29 0.00 0.11 0.01 0.03 99.56 Average: 0 0.17 0.00 0.11 0.02 0.03 99.67 Average: 1 0.41 0.00 0.10 0.01 0.02 99.45