---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23818 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 771 5140 4 2330 7170 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:f2:22:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82260sec preferred_lft 82260sec inet6 fe80::f816:3eff:fef2:2289/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23818) 06/05/26 _x86_64_ (2 CPU) 00:39:40 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:27 5.46 3.11 2.31 0.04 394.89 159.24 210.17 01:00:07 1.69 0.01 1.66 0.02 0.06 19.53 0.47 01:10:27 1.30 0.00 1.30 0.00 0.00 15.22 0.00 01:20:27 15.48 13.54 1.89 0.05 151.13 43.35 6.49 01:30:27 14.25 0.00 1.63 12.62 0.15 19.27 109482.89 01:40:07 1.91 0.43 1.48 0.00 16.58 50.19 0.21 Average: 6.70 2.86 1.72 2.12 96.38 51.89 18226.84 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:27 6233784 7511268 308432 3.79 30744 1452224 530544 5.78 463160 1204320 124 01:00:07 6229892 7507944 311720 3.83 30940 1452556 530608 5.78 463220 1204848 124 01:10:27 6229392 7507940 311684 3.83 31108 1452880 530756 5.78 463644 1205340 124 01:20:27 6166108 7501768 308784 3.80 35256 1497504 530916 5.78 464540 1253504 176 01:30:27 6156044 7492300 318116 3.91 35436 1497880 531616 5.79 465412 1254032 176 01:40:07 6143172 7494696 315300 3.88 35760 1512760 607428 6.62 493288 1267568 324 Average: 6193065 7502653 312339 3.84 33207 1477634 543645 5.92 468877 1231602 175 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:27 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:27 ens3 12.73 5.66 36.98 1.68 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 0.48 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:27 ens3 1.25 0.18 0.47 0.18 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.50 0.07 0.10 0.05 0.00 0.00 0.00 0.00 01:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:27 ens3 0.46 0.23 0.09 0.78 0.00 0.00 0.00 0.00 01:40:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 12.19 5.82 20.98 2.95 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.62 2.01 9.92 0.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23818) 06/05/26 _x86_64_ (2 CPU) 00:39:40 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:27 all 0.89 0.00 0.31 1.07 0.02 97.72 00:50:27 0 0.68 0.00 0.36 1.35 0.02 97.59 00:50:27 1 1.10 0.00 0.26 0.79 0.02 97.84 01:00:07 all 0.27 0.00 0.18 0.01 0.02 99.53 01:00:07 0 0.07 0.00 0.19 0.02 0.02 99.70 01:00:07 1 0.46 0.00 0.16 0.01 0.01 99.35 01:10:27 all 0.28 0.00 0.07 0.01 0.02 99.61 01:10:27 0 0.39 0.00 0.07 0.01 0.02 99.51 01:10:27 1 0.18 0.00 0.08 0.00 0.02 99.71 01:20:27 all 0.26 0.17 0.13 0.12 0.02 99.30 01:20:27 0 0.46 0.00 0.08 0.04 0.02 99.40 01:20:27 1 0.05 0.34 0.19 0.20 0.02 99.19 01:30:27 all 0.21 0.00 0.16 0.03 0.02 99.58 01:30:27 0 0.29 0.00 0.15 0.01 0.02 99.53 01:30:27 1 0.13 0.00 0.17 0.05 0.02 99.63 01:40:07 all 0.50 0.00 0.10 0.02 0.02 99.36 01:40:07 0 0.73 0.00 0.08 0.02 0.01 99.16 01:40:07 1 0.27 0.00 0.12 0.01 0.02 99.57 Average: all 0.41 0.03 0.16 0.22 0.02 99.17 Average: 0 0.44 0.00 0.15 0.25 0.02 99.14 Average: 1 0.37 0.06 0.16 0.18 0.02 99.21