---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16954 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: 5600.00 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 742 5307 4 2181 7199 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:b2:3d:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82194sec preferred_lft 82194sec inet6 fe80::f816:3eff:feb2:3d73/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16954) 05/20/26 _x86_64_ (2 CPU) 00:29:59 LINUX RESTART (2 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:07 11.53 6.13 5.28 0.13 559.54 5924.25 440.39 00:50:07 13.93 0.01 1.37 12.54 0.20 16.37 109142.16 01:00:07 1.40 0.00 1.39 0.01 0.00 16.67 653.51 01:10:07 1.13 0.00 1.12 0.01 0.00 13.72 1.08 01:20:07 1.23 0.00 1.21 0.02 0.01 14.93 1.20 01:30:01 1.39 0.00 1.37 0.03 0.00 17.10 441.55 Average: 5.12 1.04 1.96 2.12 94.43 1012.53 18440.69 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:07 6244056 7516824 303148 3.73 30688 1447384 722404 7.87 457372 1200052 220 00:50:07 6251396 7524736 295124 3.63 30876 1447760 722492 7.87 457632 1200588 124 01:00:07 6263276 7537140 282688 3.48 31048 1448088 722636 7.87 461624 1201088 132 01:10:07 6262800 7537192 282632 3.48 31244 1448412 722636 7.87 461720 1201608 180 01:20:07 6262296 7537232 282580 3.47 31448 1448748 722700 7.87 462184 1202144 208 01:30:01 6252644 7528224 291596 3.59 31668 1449156 722700 7.87 462364 1202644 136 Average: 6256078 7530225 289628 3.56 31162 1448258 722595 7.87 460483 1201354 167 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:07 ens3 12.73 7.29 68.98 1.89 0.00 0.00 0.00 0.00 00:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 0.55 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.24 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.37 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.43 0.10 0.13 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.07 0.10 0.05 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.47 1.29 11.72 0.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16954) 05/20/26 _x86_64_ (2 CPU) 00:29:59 LINUX RESTART (2 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:07 all 1.18 0.00 0.76 0.25 0.02 97.78 00:40:07 0 1.30 0.00 0.67 0.16 0.02 97.85 00:40:07 1 1.07 0.00 0.85 0.35 0.02 97.71 00:50:07 all 0.26 0.00 0.09 0.03 0.02 99.60 00:50:07 0 0.35 0.00 0.10 0.04 0.02 99.49 00:50:07 1 0.17 0.00 0.08 0.02 0.02 99.71 01:00:07 all 0.28 0.00 0.17 0.01 0.02 99.51 01:00:07 0 0.48 0.00 0.17 0.01 0.02 99.32 01:00:07 1 0.09 0.00 0.17 0.02 0.02 99.70 01:10:07 all 0.24 0.00 0.07 0.01 0.02 99.66 01:10:07 0 0.40 0.00 0.06 0.00 0.02 99.52 01:10:07 1 0.08 0.00 0.09 0.02 0.02 99.80 01:20:07 all 0.26 0.00 0.07 0.06 0.02 99.59 01:20:07 0 0.30 0.00 0.07 0.04 0.02 99.57 01:20:07 1 0.21 0.00 0.08 0.08 0.02 99.61 01:30:01 all 0.27 0.00 0.17 0.06 0.02 99.49 01:30:01 0 0.08 0.00 0.17 0.01 0.02 99.72 01:30:01 1 0.45 0.00 0.17 0.10 0.01 99.26 Average: all 0.42 0.00 0.22 0.07 0.02 99.27 Average: 0 0.48 0.00 0.21 0.05 0.02 99.24 Average: 1 0.35 0.00 0.24 0.10 0.02 99.30