---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8172 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 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 752 5292 4 2186 7189 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:45:03:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81816sec preferred_lft 81816sec inet6 fe80::f816:3eff:fe45:3ec/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-8172) 04/26/26 _x86_64_ (2 CPU) 01:42:08 LINUX RESTART (2 CPU) 01:50:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.57 0.01 1.55 0.02 0.06 18.80 460.17 02:10:32 1.33 0.00 1.31 0.02 0.00 15.79 1.25 02:20:32 1.25 0.00 1.23 0.02 0.01 14.97 1.36 02:30:01 1.37 0.00 1.34 0.03 0.00 16.77 460.65 02:40:32 1.84 0.30 1.50 0.03 38.11 71.29 1.40 02:50:00 1.21 0.00 1.20 0.01 0.00 14.80 0.51 Average: 1.43 0.06 1.35 0.02 6.75 25.94 147.65 01:50:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6297460 7545124 275484 3.39 30664 1422692 523676 5.70 441036 1183348 176 02:10:32 6297236 7545496 275088 3.38 30892 1423064 523760 5.70 441228 1183940 188 02:20:32 6292128 7540920 279668 3.44 31100 1423384 523856 5.71 441344 1184472 184 02:30:01 6291124 7540420 280196 3.45 31284 1423680 523856 5.71 441384 1184956 244 02:40:32 6249568 7528408 291716 3.59 31684 1452440 523852 5.71 453104 1202604 156 02:50:00 6258248 7537556 282612 3.48 31852 1452728 523952 5.71 454392 1203068 132 Average: 6280961 7539654 280794 3.45 31246 1432998 523825 5.71 445415 1190398 180 01:50:32 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 1.32 0.07 0.14 0.04 0.00 0.00 0.00 0.00 02:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:32 ens3 0.81 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 0.81 0.05 3.84 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 1.26 0.04 0.28 0.02 0.00 0.00 0.00 0.00 02:40:32 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:32 ens3 0.58 0.23 3.01 0.06 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 0.38 0.08 0.11 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 0.85 0.09 1.28 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8172) 04/26/26 _x86_64_ (2 CPU) 01:42:08 LINUX RESTART (2 CPU) 01:50:32 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.16 0.01 0.03 99.50 02:00:01 0 0.43 0.00 0.15 0.01 0.03 99.39 02:00:01 1 0.16 0.00 0.18 0.01 0.03 99.62 02:10:32 all 0.25 0.00 0.08 0.01 0.03 99.63 02:10:32 0 0.06 0.00 0.09 0.01 0.03 99.80 02:10:32 1 0.45 0.00 0.06 0.00 0.02 99.46 02:20:32 all 0.29 0.00 0.08 0.15 0.03 99.45 02:20:32 0 0.11 0.00 0.09 0.02 0.04 99.74 02:20:32 1 0.47 0.00 0.06 0.29 0.02 99.16 02:30:01 all 0.29 0.00 0.16 0.08 0.02 99.45 02:30:01 0 0.30 0.00 0.16 0.16 0.02 99.36 02:30:01 1 0.28 0.00 0.17 0.01 0.02 99.53 02:40:32 all 0.39 0.00 0.12 0.03 0.02 99.44 02:40:32 0 0.21 0.00 0.13 0.03 0.02 99.61 02:40:32 1 0.56 0.00 0.11 0.04 0.02 99.27 02:50:00 all 0.27 0.00 0.09 0.06 0.02 99.57 02:50:00 0 0.07 0.00 0.10 0.02 0.02 99.78 02:50:00 1 0.47 0.00 0.07 0.09 0.02 99.36 Average: all 0.30 0.00 0.11 0.06 0.02 99.51 Average: 0 0.19 0.00 0.12 0.04 0.03 99.62 Average: 1 0.40 0.00 0.11 0.07 0.02 99.40