---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11865 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 777 5181 4 2272 7164 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:7f:e8:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80403sec preferred_lft 80403sec inet6 fe80::f816:3eff:fe7f:e88c/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-11865) 05/08/26 _x86_64_ (2 CPU) 00:36:27 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.81 0.28 1.50 0.02 32.71 74.49 1.03 01:00:10 1.53 0.01 1.50 0.01 1.09 18.36 429.29 01:10:10 1.22 0.00 1.22 0.00 0.00 14.75 0.00 01:20:01 14.00 0.01 1.24 12.76 0.16 14.86 110941.08 01:30:10 1.46 0.00 1.44 0.02 0.00 18.01 428.68 01:40:10 1.24 0.00 1.24 0.00 0.00 14.85 0.00 01:50:01 1.66 0.41 1.25 0.00 16.08 46.59 0.00 02:00:10 23.57 2.74 18.62 2.21 213.61 3104.90 615.58 02:10:10 1.59 0.00 1.55 0.04 0.35 73.88 1.41 Average: 5.36 0.39 3.32 1.65 29.63 380.92 12291.26 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6231280 7503872 316176 3.89 30768 1447396 723684 7.88 461148 1200268 128 01:00:10 6256108 7529588 290480 3.57 30968 1448048 529212 5.76 456164 1200800 148 01:10:10 6255644 7529620 290444 3.57 31136 1448372 529220 5.76 456412 1201292 204 01:20:01 6263484 7538000 282060 3.47 31292 1448736 529308 5.77 457212 1201792 144 01:30:10 6268024 7543088 276896 3.40 31488 1449068 529540 5.77 457140 1202316 164 01:40:10 6273124 7548820 271152 3.33 31648 1449532 529612 5.77 457388 1202808 212 01:50:01 6224592 7515472 304260 3.74 31936 1464216 568324 6.19 495836 1216272 336 02:00:10 5279784 7406132 365316 4.49 86084 2204392 642400 7.00 597900 1966220 780 02:10:10 5261236 7403716 367472 4.52 86324 2220272 699264 7.62 605776 1982236 248 Average: 6034808 7502034 307140 3.78 43516 1620004 586729 6.39 493886 1374889 263 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.37 0.31 3.28 0.07 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.48 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.42 0.04 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.50 0.24 0.11 0.55 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.40 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 12.99 6.78 24.31 2.83 0.00 0.00 0.00 0.00 02:00:10 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:10 ens3 69.95 52.26 278.34 10.22 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 44.09 42.02 9.96 5.61 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.60 11.40 35.59 2.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11865) 05/08/26 _x86_64_ (2 CPU) 00:36:27 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.40 0.00 0.13 0.02 0.02 99.42 00:50:01 0 0.49 0.00 0.08 0.02 0.02 99.40 00:50:01 1 0.32 0.00 0.17 0.03 0.03 99.45 01:00:10 all 0.31 0.00 0.17 0.01 0.02 99.49 01:00:10 0 0.54 0.00 0.16 0.01 0.01 99.27 01:00:10 1 0.08 0.00 0.17 0.01 0.03 99.71 01:10:10 all 0.28 0.00 0.08 0.01 0.02 99.62 01:10:10 0 0.49 0.00 0.05 0.01 0.02 99.43 01:10:10 1 0.07 0.00 0.10 0.00 0.03 99.80 01:20:01 all 0.29 0.00 0.08 0.03 0.03 99.56 01:20:01 0 0.19 0.00 0.11 0.06 0.03 99.62 01:20:01 1 0.39 0.00 0.05 0.00 0.04 99.51 01:30:10 all 0.27 0.00 0.15 0.01 0.02 99.55 01:30:10 0 0.47 0.00 0.12 0.00 0.01 99.40 01:30:10 1 0.07 0.00 0.18 0.01 0.03 99.71 01:40:10 all 0.24 0.00 0.06 0.01 0.02 99.66 01:40:10 0 0.44 0.00 0.05 0.00 0.01 99.50 01:40:10 1 0.05 0.00 0.08 0.02 0.03 99.83 01:50:01 all 0.50 0.00 0.11 0.01 0.02 99.35 01:50:01 0 0.66 0.00 0.11 0.01 0.02 99.21 01:50:01 1 0.35 0.00 0.12 0.02 0.03 99.49 02:00:10 all 13.45 0.00 1.93 0.55 0.07 84.00 02:00:10 0 13.55 0.00 1.92 0.38 0.06 84.09 02:00:10 1 13.36 0.00 1.93 0.72 0.07 83.91 02:10:10 all 6.03 0.00 0.55 0.01 0.06 93.34 02:10:10 0 4.99 0.00 0.52 0.01 0.06 94.41 02:10:10 1 7.08 0.00 0.59 0.01 0.06 92.27 Average: all 2.43 0.00 0.36 0.07 0.03 97.10 Average: 0 2.43 0.00 0.35 0.06 0.03 97.13 Average: 1 2.43 0.00 0.38 0.09 0.04 97.06