---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10570 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 762 5282 4 2185 7179 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:ed:77:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82410sec preferred_lft 82410sec inet6 fe80::f816:3eff:feed:77c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10570) 05/03/26 _x86_64_ (2 CPU) 01:57:08 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 1.26 0.02 1.24 0.00 1.23 15.13 0.12 02:20:45 1.24 0.01 1.23 0.00 0.06 14.65 0.11 02:30:01 2.05 0.28 1.75 0.03 34.51 80.64 704.56 02:40:20 1.65 0.39 1.24 0.02 15.34 45.75 1.16 02:50:51 34.37 2.50 16.94 14.94 202.17 2991.05 102182.72 03:00:01 1.55 0.00 1.52 0.04 0.00 24.79 1.59 Average: 7.29 0.55 4.11 2.63 43.61 553.19 18008.03 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6294564 7542116 278352 3.42 30588 1422840 519128 5.65 450884 1183176 196 02:20:45 6293052 7541156 279292 3.43 30780 1423204 519992 5.66 447200 1183724 160 02:30:01 6248980 7524056 295912 3.64 31140 1449408 520148 5.67 456332 1201220 272 02:40:20 6226788 7516972 302648 3.72 31484 1464108 538820 5.87 484056 1214736 212 02:50:51 5272348 7390336 381220 4.69 84808 2197372 631112 6.87 597992 1957124 164 03:00:01 5236932 7356928 414528 5.10 84964 2199208 661032 7.20 619040 1959132 160 Average: 5928777 7478594 325325 4.00 48961 1692690 565039 6.15 509251 1449852 194 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 1.20 0.04 0.10 0.01 0.00 0.00 0.00 0.00 02:20:45 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:45 ens3 0.50 0.04 0.08 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.58 0.21 3.38 0.03 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 11.77 5.63 19.69 2.94 0.00 0.00 0.00 0.00 02:50:51 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:50:51 ens3 57.49 40.91 281.01 8.57 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 14.64 13.11 117.11 1.22 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 14.71 10.18 71.05 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10570) 05/03/26 _x86_64_ (2 CPU) 01:57:08 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.23 0.00 0.09 0.04 0.03 99.61 02:10:05 0 0.23 0.00 0.09 0.05 0.03 99.59 02:10:05 1 0.24 0.00 0.09 0.02 0.02 99.64 02:20:45 all 0.30 0.00 0.08 0.03 0.03 99.57 02:20:45 0 0.36 0.00 0.07 0.03 0.02 99.52 02:20:45 1 0.24 0.00 0.09 0.02 0.04 99.61 02:30:01 all 0.40 0.00 0.21 0.07 0.04 99.29 02:30:01 0 0.42 0.00 0.22 0.09 0.03 99.24 02:30:01 1 0.38 0.00 0.21 0.05 0.04 99.33 02:40:20 all 0.57 0.00 0.10 0.10 0.03 99.20 02:40:20 0 0.46 0.00 0.09 0.04 0.03 99.38 02:40:20 1 0.68 0.00 0.11 0.16 0.03 99.02 02:50:51 all 10.29 0.00 1.64 1.91 0.06 86.10 02:50:51 0 11.49 0.00 1.70 2.36 0.06 84.39 02:50:51 1 9.09 0.00 1.59 1.46 0.06 87.80 03:00:01 all 0.97 0.00 0.31 0.06 0.06 98.59 03:00:01 0 0.78 0.00 0.27 0.05 0.05 98.86 03:00:01 1 1.16 0.00 0.36 0.08 0.08 98.32 Average: all 2.20 0.00 0.41 0.38 0.04 96.96 Average: 0 2.37 0.00 0.41 0.46 0.04 96.72 Average: 1 2.03 0.00 0.41 0.31 0.04 97.21