---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35640 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 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 736 5217 4 2281 7205 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:e6:3f:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81608sec preferred_lft 81608sec inet6 fe80::f816:3eff:fee6:3ff1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35640) 07/14/26 _x86_64_ (2 CPU) 02:07:45 LINUX RESTART (2 CPU) 02:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:00 1.80 0.28 1.51 0.01 33.28 75.32 0.35 02:30:01 1.42 0.01 1.38 0.03 0.05 17.31 652.45 02:40:02 1.08 0.00 1.07 0.02 0.00 13.46 1.09 02:50:00 1.09 0.00 1.07 0.02 0.00 13.82 1.24 03:00:01 13.87 0.00 1.31 12.56 0.15 16.84 109814.91 03:10:02 1.50 0.00 1.47 0.02 0.00 17.65 218.68 03:20:00 1.38 0.00 1.36 0.02 0.00 15.78 1.20 Average: 3.17 0.04 1.31 1.81 4.78 24.31 15838.51 02:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:00 6249660 7524356 295948 3.64 30896 1449116 520332 5.67 455224 1200944 124 02:30:01 6245304 7520572 299568 3.68 31096 1449444 520364 5.67 455196 1201472 176 02:40:02 6261712 7537516 282644 3.48 31300 1449780 525420 5.72 452752 1202004 276 02:50:00 6269300 7545632 274524 3.38 31496 1450096 525460 5.72 453000 1202524 124 03:00:01 6260092 7537144 282896 3.48 31696 1450600 525468 5.72 453484 1203072 156 03:10:02 6260092 7537704 282312 3.47 31916 1450932 525528 5.72 454084 1203624 228 03:20:00 6260092 7538232 281776 3.46 32108 1451260 525536 5.72 454292 1204144 160 Average: 6258036 7534451 285667 3.51 31501 1450175 524015 5.71 454005 1202541 178 02:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 1.75 0.29 3.43 0.03 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 0.40 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 0.39 0.06 0.78 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.32 0.06 0.09 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.31 0.11 0.12 0.05 0.00 0.00 0.00 0.00 03:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 0.23 0.13 0.04 0.39 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 0.23 0.06 0.06 0.03 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 0.52 0.11 0.65 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35640) 07/14/26 _x86_64_ (2 CPU) 02:07:45 LINUX RESTART (2 CPU) 02:10:00 CPU %user %nice %system %iowait %steal %idle 02:20:00 all 0.37 0.00 0.11 0.31 0.02 99.19 02:20:00 0 0.44 0.00 0.13 0.54 0.02 98.87 02:20:00 1 0.29 0.00 0.10 0.08 0.02 99.51 02:30:01 all 0.28 0.00 0.18 0.10 0.02 99.42 02:30:01 0 0.27 0.00 0.18 0.14 0.02 99.40 02:30:01 1 0.29 0.00 0.18 0.06 0.02 99.45 02:40:02 all 0.28 0.00 0.08 0.15 0.02 99.47 02:40:02 0 0.40 0.00 0.08 0.24 0.02 99.27 02:40:02 1 0.16 0.00 0.08 0.06 0.02 99.68 02:50:00 all 0.27 0.00 0.08 0.23 0.02 99.41 02:50:00 0 0.44 0.00 0.06 0.05 0.02 99.43 02:50:00 1 0.10 0.00 0.09 0.41 0.02 99.39 03:00:01 all 0.31 0.00 0.20 0.13 0.02 99.35 03:00:01 0 0.37 0.00 0.20 0.02 0.01 99.39 03:00:01 1 0.26 0.00 0.19 0.23 0.02 99.31 03:10:02 all 0.28 0.00 0.09 0.11 0.02 99.50 03:10:02 0 0.22 0.00 0.08 0.03 0.02 99.65 03:10:02 1 0.34 0.00 0.09 0.19 0.02 99.36 03:20:00 all 0.26 0.00 0.06 0.10 0.02 99.56 03:20:00 0 0.31 0.00 0.04 0.03 0.01 99.60 03:20:00 1 0.21 0.00 0.08 0.17 0.02 99.52 Average: all 0.29 0.00 0.11 0.16 0.02 99.41 Average: 0 0.35 0.00 0.11 0.15 0.02 99.37 Average: 1 0.23 0.00 0.12 0.17 0.02 99.46