---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32539 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: 5599.94 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 761 5207 4 2265 7180 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:bf:82:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82231sec preferred_lft 82231sec inet6 fe80::f816:3eff:febf:8293/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32539) 07/03/26 _x86_64_ (2 CPU) 01:58:46 LINUX RESTART (2 CPU) 02:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:06 1.27 0.03 1.24 0.00 1.29 15.32 0.13 02:20:01 1.34 0.01 1.33 0.00 0.07 15.53 0.12 02:30:06 1.54 0.00 1.53 0.01 0.00 18.13 431.82 02:40:06 1.32 0.00 1.31 0.00 0.00 15.52 0.12 02:50:16 1.76 0.25 1.50 0.01 30.47 73.85 0.17 03:00:06 14.44 0.01 1.66 12.77 1.22 19.63 111419.61 Average: 3.59 0.05 1.43 2.11 5.62 26.56 18458.08 02:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:06 6293120 7539644 281172 3.46 30532 1421688 528772 5.76 443652 1183152 216 02:20:01 6307512 7554576 266232 3.27 30740 1422012 528900 5.76 443736 1183684 168 02:30:06 6305936 7553528 267188 3.29 30912 1422348 528900 5.76 443920 1184192 68 02:40:06 6311416 7559508 261232 3.21 31084 1422672 529040 5.76 443948 1184688 132 02:50:16 6247008 7522184 298128 3.67 31416 1449080 732088 7.97 464500 1202656 172 03:00:06 6264732 7540952 279212 3.43 31600 1449896 533448 5.81 460000 1203196 220 Average: 6288287 7545065 275527 3.39 31047 1431283 563525 6.14 449959 1190261 163 02:00:31 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 1.42 0.06 0.17 0.02 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 0.44 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 1.10 0.04 10.38 0.01 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.51 0.09 0.91 0.05 0.00 0.00 0.00 0.00 02:50:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:16 ens3 0.66 0.30 3.24 0.09 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 0.42 0.16 0.13 0.62 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 0.76 0.12 2.52 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32539) 07/03/26 _x86_64_ (2 CPU) 01:58:46 LINUX RESTART (2 CPU) 02:00:31 CPU %user %nice %system %iowait %steal %idle 02:10:06 all 0.27 0.00 0.08 0.01 0.03 99.61 02:10:06 0 0.46 0.00 0.07 0.01 0.03 99.44 02:10:06 1 0.09 0.00 0.09 0.01 0.04 99.78 02:20:01 all 0.27 0.00 0.08 0.02 0.03 99.60 02:20:01 0 0.48 0.00 0.07 0.03 0.03 99.40 02:20:01 1 0.06 0.00 0.09 0.01 0.04 99.80 02:30:06 all 0.27 0.00 0.15 0.01 0.03 99.53 02:30:06 0 0.26 0.00 0.15 0.01 0.03 99.55 02:30:06 1 0.28 0.00 0.16 0.01 0.03 99.52 02:40:06 all 0.27 0.00 0.08 0.08 0.02 99.55 02:40:06 0 0.06 0.00 0.09 0.16 0.03 99.67 02:40:06 1 0.48 0.00 0.07 0.01 0.02 99.42 02:50:16 all 0.39 0.00 0.11 0.02 0.02 99.46 02:50:16 0 0.37 0.00 0.12 0.01 0.02 99.47 02:50:16 1 0.42 0.00 0.09 0.03 0.02 99.44 03:00:06 all 0.30 0.00 0.19 0.03 0.02 99.45 03:00:06 0 0.26 0.00 0.20 0.02 0.02 99.51 03:00:06 1 0.35 0.00 0.18 0.05 0.02 99.40 Average: all 0.30 0.00 0.11 0.03 0.03 99.53 Average: 0 0.31 0.00 0.12 0.04 0.03 99.51 Average: 1 0.28 0.00 0.11 0.02 0.03 99.56