---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38533 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 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 750 5198 4 2285 7191 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:4b:68:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82121sec preferred_lft 82121sec inet6 fe80::f816:3eff:fe4b:68e9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38533) 07/25/26 _x86_64_ (2 CPU) 01:46:39 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.55 0.02 1.51 0.02 1.24 18.66 654.38 02:10:07 13.90 0.01 1.45 12.44 0.20 17.43 108238.47 02:20:01 1.31 0.00 1.30 0.02 0.01 15.57 1.21 02:30:01 1.54 0.00 1.51 0.03 0.00 18.72 654.84 02:40:07 2.06 0.27 1.76 0.03 32.80 77.53 1.29 02:50:01 1.41 0.01 1.39 0.02 1.06 16.62 1.27 Average: 3.65 0.05 1.49 2.11 5.94 27.52 18416.90 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6283464 7529884 290536 3.57 30612 1421664 531320 5.79 443340 1183352 160 02:10:07 6290300 7537336 282944 3.48 30848 1422044 531320 5.79 443428 1183936 136 02:20:01 6289376 7536952 283328 3.48 31060 1422364 531524 5.79 443608 1184472 180 02:30:01 6291188 7539320 280936 3.45 31272 1422692 532096 5.80 442644 1185012 276 02:40:07 6237764 7513996 305808 3.76 31648 1450060 732452 7.98 458176 1203300 164 02:50:01 6244772 7521860 297964 3.66 31852 1450696 532180 5.80 453304 1203832 272 Average: 6272811 7529891 290253 3.57 31215 1431587 565149 6.16 447417 1190651 198 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.97 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.36 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.38 0.02 3.35 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.35 0.06 0.10 0.03 0.00 0.00 0.00 0.00 02:40:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.60 0.27 3.27 0.08 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.44 0.24 0.12 0.54 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 0.52 0.11 1.17 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38533) 07/25/26 _x86_64_ (2 CPU) 01:46:39 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.33 0.00 0.18 0.01 0.03 99.46 02:00:01 0 0.45 0.00 0.16 0.02 0.02 99.35 02:00:01 1 0.20 0.00 0.20 0.01 0.03 99.56 02:10:07 all 0.23 0.00 0.10 0.03 0.03 99.62 02:10:07 0 0.28 0.00 0.10 0.01 0.03 99.59 02:10:07 1 0.18 0.00 0.09 0.05 0.03 99.65 02:20:01 all 0.26 0.00 0.07 0.04 0.03 99.59 02:20:01 0 0.46 0.00 0.06 0.06 0.02 99.40 02:20:01 1 0.06 0.00 0.09 0.03 0.04 99.78 02:30:01 all 0.26 0.00 0.16 0.01 0.03 99.55 02:30:01 0 0.34 0.00 0.14 0.02 0.03 99.47 02:30:01 1 0.18 0.00 0.17 0.00 0.03 99.63 02:40:07 all 0.40 0.00 0.11 0.02 0.02 99.45 02:40:07 0 0.19 0.00 0.12 0.01 0.03 99.65 02:40:07 1 0.61 0.00 0.10 0.03 0.02 99.24 02:50:01 all 0.27 0.00 0.08 0.04 0.02 99.59 02:50:01 0 0.33 0.00 0.08 0.03 0.02 99.54 02:50:01 1 0.21 0.00 0.08 0.05 0.02 99.64 Average: all 0.29 0.00 0.12 0.03 0.03 99.54 Average: 0 0.34 0.00 0.11 0.02 0.02 99.50 Average: 1 0.24 0.00 0.12 0.03 0.03 99.58