---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39518 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 753 5199 4 2281 7188 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:20:ec:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82252sec preferred_lft 82252sec inet6 fe80::f816:3eff:fe20:ec7a/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-39518) 07/28/26 _x86_64_ (2 CPU) 01:48:47 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:14 1.57 0.03 1.53 0.02 1.24 18.65 436.51 02:10:14 1.30 0.01 1.27 0.02 0.05 15.37 1.20 02:20:14 1.77 0.25 1.49 0.03 30.99 75.32 1.25 02:30:14 1.44 0.01 1.42 0.01 1.05 17.12 435.75 02:40:14 1.16 0.00 1.16 0.00 0.00 14.21 0.00 02:50:14 1.26 0.00 1.26 0.00 0.00 15.25 0.00 Average: 1.42 0.05 1.36 0.01 5.56 25.99 145.78 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:14 6299252 7546280 274080 3.37 30540 1422176 529876 5.77 447032 1183196 132 02:10:14 6296744 7544336 276060 3.39 30764 1422508 529948 5.77 447152 1183752 124 02:20:14 6247800 7522728 297176 3.65 31144 1449100 738780 8.05 461644 1201960 128 02:30:14 6267280 7543072 276760 3.40 31332 1449752 530144 5.77 456532 1202480 184 02:40:14 6267280 7543560 276272 3.40 31488 1450076 530144 5.77 456560 1202964 280 02:50:14 6270668 7547564 272264 3.35 31648 1450520 530252 5.78 457516 1203444 128 Average: 6274837 7541257 278769 3.43 31153 1440689 564857 6.15 454406 1196299 163 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 1.98 0.12 0.34 0.04 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 1.01 0.47 8.29 0.04 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.46 0.04 1.01 0.01 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.26 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 0.37 0.18 0.10 0.47 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 0.74 0.15 1.64 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39518) 07/28/26 _x86_64_ (2 CPU) 01:48:47 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:14 all 0.24 0.00 0.16 0.01 0.04 99.55 02:00:14 0 0.38 0.00 0.15 0.01 0.03 99.43 02:00:14 1 0.10 0.00 0.17 0.01 0.04 99.68 02:10:14 all 0.24 0.00 0.07 0.03 0.03 99.63 02:10:14 0 0.43 0.00 0.05 0.03 0.03 99.46 02:10:14 1 0.06 0.00 0.09 0.02 0.04 99.79 02:20:14 all 0.36 0.00 0.11 0.04 0.03 99.47 02:20:14 0 0.56 0.00 0.11 0.07 0.02 99.23 02:20:14 1 0.15 0.00 0.10 0.01 0.03 99.71 02:30:14 all 0.29 0.00 0.16 0.01 0.03 99.51 02:30:14 0 0.18 0.00 0.18 0.01 0.03 99.61 02:30:14 1 0.39 0.00 0.15 0.01 0.04 99.41 02:40:14 all 0.25 0.00 0.08 0.01 0.03 99.64 02:40:14 0 0.37 0.00 0.08 0.00 0.02 99.52 02:40:14 1 0.12 0.00 0.08 0.01 0.03 99.76 02:50:14 all 0.26 0.00 0.08 0.01 0.03 99.62 02:50:14 0 0.46 0.00 0.06 0.00 0.02 99.46 02:50:14 1 0.06 0.00 0.10 0.02 0.03 99.79 Average: all 0.27 0.00 0.11 0.02 0.03 99.57 Average: 0 0.40 0.00 0.11 0.02 0.02 99.45 Average: 1 0.15 0.00 0.11 0.01 0.04 99.69