---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39513 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 769 5189 4 2275 7172 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:37:09:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82219sec preferred_lft 82219sec inet6 fe80::f816:3eff:fe37:9d0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39513) 07/28/26 _x86_64_ (2 CPU) 01:48:53 LINUX RESTART (2 CPU) 01:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.52 0.03 1.47 0.02 1.28 19.03 902.62 02:10:00 14.44 0.26 1.62 12.57 31.17 76.76 109136.04 02:20:00 1.33 0.00 1.31 0.02 0.01 15.60 1.20 02:30:00 1.51 0.00 1.48 0.03 0.00 18.28 436.79 02:40:00 1.33 0.00 1.32 0.02 0.00 16.07 1.20 02:50:00 1.34 0.00 1.33 0.02 0.00 15.95 1.20 Average: 3.59 0.05 1.42 2.12 5.44 26.99 18512.36 01:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6285948 7524008 297160 3.65 30124 1414084 520048 5.66 441012 1178772 212 02:10:00 6261972 7527408 293088 3.60 30500 1440728 720428 7.85 455448 1196968 168 02:20:00 6261216 7527232 293252 3.61 30704 1441064 720428 7.85 455512 1197540 220 02:30:00 6251136 7517712 302728 3.72 30916 1441384 720560 7.85 455532 1198080 160 02:40:00 6258976 7526172 294260 3.62 31132 1441776 720640 7.85 455884 1198624 160 02:50:00 6275548 7543252 277144 3.41 31344 1442100 720704 7.85 456444 1199128 160 Average: 6265799 7527631 292939 3.60 30787 1436856 687135 7.48 453305 1194852 180 01:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 2.02 0.08 0.36 0.04 0.00 0.00 0.00 0.00 02:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.63 0.24 3.22 0.03 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.38 0.03 5.08 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.46 0.03 1.01 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.27 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.27 0.06 0.09 0.05 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 0.66 0.08 1.64 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39513) 07/28/26 _x86_64_ (2 CPU) 01:48:53 LINUX RESTART (2 CPU) 01:50:20 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.28 0.00 0.18 0.04 0.03 99.47 02:00:00 0 0.31 0.00 0.18 0.03 0.03 99.45 02:00:00 1 0.26 0.00 0.18 0.05 0.03 99.48 02:10:00 all 0.33 0.00 0.12 0.05 0.03 99.47 02:10:00 0 0.37 0.00 0.09 0.04 0.03 99.48 02:10:00 1 0.30 0.00 0.14 0.07 0.03 99.46 02:20:00 all 0.24 0.00 0.07 0.03 0.03 99.62 02:20:00 0 0.19 0.00 0.07 0.02 0.03 99.69 02:20:00 1 0.29 0.00 0.08 0.05 0.03 99.56 02:30:00 all 0.23 0.00 0.17 0.02 0.03 99.56 02:30:00 0 0.17 0.00 0.18 0.00 0.03 99.62 02:30:00 1 0.28 0.00 0.16 0.03 0.03 99.50 02:40:00 all 0.27 0.00 0.07 0.04 0.03 99.60 02:40:00 0 0.40 0.00 0.05 0.03 0.02 99.50 02:40:00 1 0.14 0.00 0.09 0.05 0.04 99.69 02:50:00 all 0.27 0.00 0.07 0.03 0.03 99.60 02:50:00 0 0.45 0.00 0.06 0.05 0.02 99.42 02:50:00 1 0.10 0.00 0.08 0.01 0.03 99.79 Average: all 0.27 0.00 0.11 0.04 0.03 99.55 Average: 0 0.31 0.00 0.11 0.03 0.03 99.53 Average: 1 0.23 0.00 0.12 0.04 0.03 99.58