---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31757 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 768 5196 4 2269 7173 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:75:e7:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82053sec preferred_lft 82053sec inet6 fe80::f816:3eff:fe75:e7a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31757) 06/30/26 _x86_64_ (2 CPU) 01:46:30 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.43 0.02 1.38 0.02 1.24 18.17 654.39 02:10:01 1.20 0.01 1.17 0.02 0.05 15.08 1.20 02:20:01 13.76 0.01 1.20 12.56 0.16 15.00 109182.24 02:30:01 1.32 0.00 1.29 0.03 0.00 16.88 654.99 02:40:01 1.20 0.00 1.18 0.02 0.00 14.87 1.09 02:50:01 1.72 0.26 1.43 0.03 32.03 74.68 1.43 Average: 3.44 0.05 1.28 2.11 5.58 25.78 18415.59 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6285320 7532088 288196 3.54 30604 1422040 529536 5.77 446180 1183348 164 02:10:01 6292404 7539732 280580 3.45 30828 1422372 529624 5.77 446284 1183904 160 02:20:01 6298576 7546460 273752 3.37 31016 1422736 529780 5.77 446404 1184428 184 02:30:01 6288392 7536804 283356 3.48 31240 1423064 529848 5.77 446360 1184948 160 02:40:01 6291336 7540340 279844 3.44 31456 1423400 531476 5.79 447808 1185532 312 02:50:01 6256328 7532872 286892 3.53 31836 1450196 529884 5.77 456332 1203504 124 Average: 6285393 7538049 282103 3.47 31163 1427301 530025 5.77 448228 1187611 184 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.03 0.08 0.12 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.41 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.11 0.04 9.65 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 0.28 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.61 0.30 3.24 0.07 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 0.62 0.09 2.20 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31757) 06/30/26 _x86_64_ (2 CPU) 01:46:30 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.17 0.02 0.04 99.46 02:00:01 0 0.21 0.00 0.16 0.01 0.04 99.58 02:00:01 1 0.43 0.00 0.17 0.02 0.04 99.34 02:10:01 all 0.28 0.00 0.08 0.01 0.03 99.60 02:10:01 0 0.06 0.00 0.09 0.02 0.04 99.79 02:10:01 1 0.49 0.00 0.06 0.00 0.03 99.41 02:20:01 all 0.26 0.00 0.09 0.04 0.03 99.58 02:20:01 0 0.45 0.00 0.05 0.03 0.02 99.44 02:20:01 1 0.07 0.00 0.12 0.05 0.05 99.71 02:30:01 all 0.29 0.00 0.16 0.02 0.03 99.50 02:30:01 0 0.28 0.00 0.17 0.01 0.03 99.51 02:30:01 1 0.30 0.00 0.15 0.02 0.03 99.49 02:40:01 all 0.25 0.00 0.08 0.01 0.03 99.63 02:40:01 0 0.43 0.00 0.06 0.01 0.03 99.48 02:40:01 1 0.07 0.00 0.10 0.02 0.03 99.78 02:50:01 all 0.38 0.00 0.10 0.02 0.03 99.47 02:50:01 0 0.24 0.00 0.12 0.04 0.03 99.57 02:50:01 1 0.52 0.00 0.08 0.01 0.03 99.37 Average: all 0.30 0.00 0.11 0.02 0.03 99.54 Average: 0 0.28 0.00 0.11 0.02 0.03 99.56 Average: 1 0.31 0.00 0.12 0.02 0.03 99.52