---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25270 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 744 5217 4 2272 7197 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:39:f2:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82176sec preferred_lft 82176sec inet6 fe80::f816:3eff:fe39:f2cf/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-25270) 06/06/26 _x86_64_ (2 CPU) 01:58:20 LINUX RESTART (2 CPU) 02:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:06 13.87 0.03 1.33 12.52 1.38 15.56 109030.04 02:20:07 1.95 0.26 1.66 0.03 31.02 74.98 1.49 02:30:07 1.65 0.00 1.62 0.03 1.05 19.05 872.04 02:40:07 1.32 0.00 1.32 0.00 0.00 15.05 0.00 02:50:06 1.30 0.00 1.30 0.00 0.00 15.42 0.00 03:00:06 1.60 0.00 1.58 0.02 0.00 19.07 871.15 Average: 3.62 0.05 1.47 2.10 5.58 26.53 18485.14 02:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:06 6297996 7544236 276148 3.40 30552 1421412 528920 5.76 445688 1183276 184 02:20:07 6240956 7513996 305852 3.76 30956 1447444 724180 7.89 460180 1200944 160 02:30:07 6246632 7520580 299368 3.68 31192 1448084 529144 5.76 455016 1201512 160 02:40:07 6261808 7536240 283700 3.49 31352 1448404 529144 5.76 455180 1201992 136 02:50:06 6266468 7541432 278536 3.42 31540 1448740 529268 5.76 456844 1202516 224 03:00:06 6260192 7535804 284108 3.49 31716 1449196 529372 5.77 457140 1203020 204 Average: 6262342 7532048 287952 3.54 31218 1443880 561671 6.12 455008 1198877 178 02:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 1.93 0.05 0.21 0.01 0.00 0.00 0.00 0.00 02:20:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.59 0.19 3.14 0.03 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 0.72 0.05 4.38 0.03 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.40 0.08 0.10 0.06 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.48 0.23 0.13 0.46 0.00 0.00 0.00 0.00 03:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:06 ens3 0.39 0.10 0.14 0.08 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 0.75 0.12 1.35 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25270) 06/06/26 _x86_64_ (2 CPU) 01:58:20 LINUX RESTART (2 CPU) 02:00:05 CPU %user %nice %system %iowait %steal %idle 02:10:06 all 0.29 0.00 0.10 2.53 0.03 97.05 02:10:06 0 0.14 0.00 0.12 0.06 0.04 99.65 02:10:06 1 0.45 0.00 0.08 5.00 0.03 94.45 02:20:07 all 0.38 0.00 0.10 0.05 0.03 99.44 02:20:07 0 0.60 0.00 0.11 0.01 0.03 99.25 02:20:07 1 0.17 0.00 0.09 0.09 0.03 99.63 02:30:07 all 0.29 0.00 0.16 0.01 0.03 99.51 02:30:07 0 0.28 0.00 0.18 0.01 0.03 99.51 02:30:07 1 0.30 0.00 0.15 0.02 0.03 99.50 02:40:07 all 0.25 0.00 0.08 0.19 0.02 99.46 02:40:07 0 0.21 0.00 0.08 0.04 0.02 99.64 02:40:07 1 0.29 0.00 0.07 0.34 0.03 99.27 02:50:06 all 0.32 0.00 0.07 0.01 0.02 99.58 02:50:06 0 0.15 0.00 0.08 0.01 0.03 99.73 02:50:06 1 0.49 0.00 0.05 0.01 0.02 99.43 03:00:06 all 0.29 0.00 0.17 0.02 0.03 99.50 03:00:06 0 0.08 0.00 0.19 0.02 0.03 99.68 03:00:06 1 0.49 0.00 0.15 0.01 0.02 99.32 Average: all 0.30 0.00 0.11 0.47 0.03 99.09 Average: 0 0.24 0.00 0.13 0.02 0.03 99.58 Average: 1 0.36 0.00 0.10 0.91 0.03 98.60