---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-497 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 8.1G 30G 22% / 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 743 5038 4 2460 7198 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:ae:9e:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82022sec preferred_lft 82022sec inet6 fe80::f816:3eff:feae:9eac/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-497) 07/30/26 _x86_64_ (2 CPU) 01:46:20 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:08 1.52 0.02 1.49 0.01 1.24 18.72 653.56 02:10:09 1.41 0.01 1.40 0.00 0.05 16.70 0.12 02:20:10 1.37 0.00 1.37 0.00 0.01 16.25 0.12 02:30:10 14.11 0.00 1.56 12.55 0.15 19.38 109880.04 02:40:11 2.00 0.26 1.73 0.01 31.95 78.10 0.19 02:50:42 14.81 1.37 12.57 0.88 100.96 2233.11 230.44 Average: 5.94 0.29 3.43 2.23 23.05 412.25 18283.73 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:08 6292888 7540248 280220 3.45 30588 1422668 529820 5.77 445372 1183424 184 02:10:09 6292200 7540080 280408 3.45 30776 1422996 529824 5.77 445336 1183940 152 02:20:10 6292440 7540812 279672 3.44 30936 1423324 530036 5.77 445616 1184428 132 02:30:10 6287536 7536472 283920 3.49 31116 1423696 530100 5.77 445944 1184952 228 02:40:11 6242580 7519272 300648 3.70 31460 1450752 530948 5.78 458364 1203136 204 02:50:42 5319836 7303444 476512 5.86 70732 2084180 702232 7.65 661596 1860932 71956 Average: 6121247 7496721 316897 3.90 37601 1537936 558827 6.09 483705 1300135 12143 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 0.64 0.05 0.07 0.02 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.53 0.04 4.17 0.01 0.00 0.00 0.00 0.00 02:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:10 ens3 0.25 0.07 0.08 0.03 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.58 0.13 0.82 0.11 0.00 0.00 0.00 0.00 02:40:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 6.45 4.12 7.31 3.48 0.00 0.00 0.00 0.00 02:50:42 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:50:42 ens3 32.58 22.07 262.71 9.26 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.05 4.56 47.65 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-497) 07/30/26 _x86_64_ (2 CPU) 01:46:20 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:08 all 0.31 0.00 0.18 0.01 0.03 99.48 02:00:08 0 0.50 0.00 0.18 0.01 0.02 99.29 02:00:08 1 0.11 0.00 0.18 0.01 0.03 99.67 02:10:09 all 0.24 0.00 0.08 0.01 0.03 99.64 02:10:09 0 0.42 0.00 0.07 0.01 0.02 99.48 02:10:09 1 0.07 0.00 0.10 0.01 0.03 99.80 02:20:10 all 0.22 0.00 0.08 0.01 0.02 99.67 02:20:10 0 0.36 0.00 0.07 0.02 0.02 99.54 02:20:10 1 0.07 0.00 0.10 0.01 0.03 99.80 02:30:10 all 0.32 0.00 0.18 0.03 0.02 99.45 02:30:10 0 0.13 0.00 0.21 0.05 0.03 99.58 02:30:10 1 0.51 0.00 0.14 0.00 0.02 99.32 02:40:11 all 0.58 0.00 0.14 0.02 0.02 99.25 02:40:11 0 0.65 0.00 0.16 0.03 0.02 99.14 02:40:11 1 0.51 0.00 0.12 0.00 0.02 99.35 02:50:42 all 5.83 0.00 0.87 4.79 0.04 88.47 02:50:42 0 7.75 0.00 1.11 7.11 0.03 83.99 02:50:42 1 3.91 0.00 0.63 2.47 0.04 92.94 Average: all 1.29 0.00 0.26 0.84 0.03 97.58 Average: 0 1.69 0.00 0.31 1.25 0.02 96.73 Average: 1 0.89 0.00 0.21 0.43 0.03 98.44