---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9747 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 809 5238 4 2182 7132 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:db:13:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82384sec preferred_lft 82384sec inet6 fe80::f816:3eff:fedb:13d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9747) 04/30/26 _x86_64_ (2 CPU) 00:41:53 LINUX RESTART (2 CPU) 00:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:17 1.49 0.01 1.45 0.03 0.05 17.68 436.99 01:10:17 2.02 0.26 1.73 0.03 32.03 75.45 1.55 01:20:17 1.41 0.00 1.40 0.00 0.01 15.88 0.24 01:30:17 1.57 0.00 1.56 0.01 0.00 18.48 435.69 01:40:17 2.68 1.20 1.47 0.01 89.15 95.29 0.07 Average: 1.83 0.29 1.52 0.02 24.25 44.56 174.91 00:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:17 6308992 7559644 260856 3.21 30748 1425772 528580 5.76 437808 1187560 168 01:10:17 6251576 7529192 290876 3.58 31152 1451968 528580 5.76 447160 1205084 128 01:20:17 6251072 7529188 290876 3.58 31316 1452296 528784 5.76 447484 1205576 172 01:30:17 6261556 7540188 279812 3.44 31492 1452624 528848 5.76 447540 1206080 172 01:40:17 6068964 7418684 397572 4.89 37160 1514940 632768 6.89 585148 1261812 14512 Average: 6228432 7515379 303998 3.74 32374 1459520 549512 5.99 473028 1213222 3030 00:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.73 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 0.62 0.25 3.15 0.05 0.00 0.00 0.00 0.00 01:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 0.55 0.21 0.11 0.54 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.34 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:40:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 16.13 9.84 50.75 4.21 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.68 2.09 10.84 0.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9747) 04/30/26 _x86_64_ (2 CPU) 00:41:53 LINUX RESTART (2 CPU) 00:50:17 CPU %user %nice %system %iowait %steal %idle 01:00:17 all 0.25 0.00 0.17 0.01 0.02 99.55 01:00:17 0 0.19 0.00 0.17 0.00 0.02 99.61 01:00:17 1 0.31 0.00 0.17 0.01 0.03 99.48 01:10:17 all 0.37 0.00 0.11 0.03 0.03 99.46 01:10:17 0 0.37 0.00 0.10 0.04 0.03 99.47 01:10:17 1 0.38 0.00 0.13 0.01 0.04 99.45 01:20:17 all 0.26 0.00 0.08 0.01 0.03 99.62 01:20:17 0 0.20 0.00 0.08 0.01 0.03 99.68 01:20:17 1 0.32 0.00 0.08 0.01 0.03 99.56 01:30:17 all 0.26 0.00 0.15 0.01 0.03 99.55 01:30:17 0 0.07 0.00 0.17 0.00 0.04 99.72 01:30:17 1 0.45 0.00 0.13 0.02 0.02 99.38 01:40:17 all 0.83 0.00 0.19 0.04 0.03 98.91 01:40:17 0 0.50 0.00 0.20 0.03 0.04 99.23 01:40:17 1 1.15 0.00 0.18 0.05 0.03 98.59 Average: all 0.39 0.00 0.14 0.02 0.03 99.42 Average: 0 0.27 0.00 0.14 0.02 0.03 99.54 Average: 1 0.52 0.00 0.14 0.02 0.03 99.29