---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2375 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 787 5118 4 2333 7154 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:96:16:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82115sec preferred_lft 82115sec inet6 fe80::f816:3eff:fe96:16f8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2375) 04/13/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.26 0.34 1.89 0.04 41.23 78.84 448.75 01:10:12 1.33 0.00 1.33 0.00 0.00 15.84 0.00 01:20:12 1.38 0.00 1.38 0.00 0.01 16.20 0.00 01:30:01 1.45 0.00 1.44 0.01 0.00 17.77 0.27 01:40:12 2.77 1.30 1.46 0.01 94.26 94.52 0.07 01:50:34 46.01 14.72 16.55 14.73 273.91 3128.27 105754.02 Average: 9.44 2.81 4.09 2.54 69.70 575.23 18270.08 00:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6262432 7538164 281800 3.47 30876 1450156 529068 5.76 466172 1200200 124 01:10:12 6263832 7540068 279896 3.44 31044 1450484 529316 5.77 466560 1200696 160 01:20:12 6262332 7539080 280876 3.45 31224 1450812 529424 5.77 466948 1201204 44 01:30:01 6253060 7530316 289668 3.56 31400 1451136 529496 5.77 466812 1201704 292 01:40:12 6042536 7402080 413588 5.09 38372 1522648 636224 6.93 591752 1267564 22356 01:50:34 5153944 7365180 379044 4.66 88764 2276292 659992 7.19 620136 2037756 464 Average: 6039689 7485815 320812 3.94 41947 1600255 568920 6.20 513063 1351521 3907 00:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.92 0.25 3.20 0.05 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.59 0.08 5.65 0.04 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.60 0.11 0.41 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.34 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 19.51 9.61 49.87 4.63 0.00 0.00 0.00 0.00 01:50:34 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:50:34 ens3 65.22 50.83 270.20 11.23 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.92 10.45 56.46 2.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2375) 04/13/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:17 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.43 0.00 0.19 0.03 0.04 99.32 01:00:01 0 0.27 0.00 0.17 0.01 0.04 99.51 01:00:01 1 0.59 0.00 0.21 0.04 0.03 99.13 01:10:12 all 0.26 0.00 0.07 0.02 0.03 99.63 01:10:12 0 0.06 0.00 0.08 0.01 0.03 99.82 01:10:12 1 0.45 0.00 0.05 0.03 0.03 99.44 01:20:12 all 0.22 0.00 0.08 0.01 0.03 99.66 01:20:12 0 0.31 0.00 0.07 0.01 0.03 99.58 01:20:12 1 0.13 0.00 0.09 0.01 0.04 99.74 01:30:01 all 0.29 0.00 0.16 0.01 0.04 99.51 01:30:01 0 0.29 0.00 0.14 0.01 0.03 99.53 01:30:01 1 0.29 0.00 0.17 0.02 0.04 99.48 01:40:12 all 0.95 0.00 0.19 0.08 0.03 98.75 01:40:12 0 0.75 0.00 0.19 0.12 0.03 98.91 01:40:12 1 1.14 0.00 0.19 0.04 0.04 98.59 01:50:34 all 15.58 0.18 1.72 0.71 0.07 81.74 01:50:34 0 11.65 0.17 1.81 0.80 0.06 85.51 01:50:34 1 19.51 0.18 1.64 0.62 0.07 77.97 Average: all 3.03 0.03 0.41 0.15 0.04 96.34 Average: 0 2.28 0.03 0.42 0.16 0.04 97.07 Average: 1 3.78 0.03 0.40 0.13 0.04 95.61