---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3016 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 22% / 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 759 5226 4 2249 7182 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:cd:43:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84163sec preferred_lft 84163sec inet6 fe80::f816:3eff:fecd:434f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3016) 09/08/26 _x86_64_ (2 CPU) 00:44:17 LINUX RESTART (2 CPU) 00:50:44 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 9.43 1.46 7.42 0.56 105.50 887.49 199.84 01:10:34 16.35 1.43 13.25 1.67 120.38 2579.82 926.02 01:20:07 1.30 0.00 1.29 0.01 0.01 21.21 1.66 Average: 9.27 0.97 7.51 0.78 76.56 1211.17 395.09 00:50:44 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 5582896 7354544 432712 5.32 63800 1886064 681328 7.42 614752 1666484 304880 01:10:34 5189416 7368156 399100 4.91 87596 2252328 637796 6.95 581012 2024568 184 01:20:07 5482080 7472668 303428 3.73 87744 2071992 562452 6.13 535120 1844376 1532 Average: 5418131 7398456 378413 4.65 79713 2070128 627192 6.83 576961 1845143 102199 00:50:44 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 01:00:04 ens3 31.20 22.48 184.03 5.88 0.00 0.00 0.00 0.00 01:10:34 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 01:10:34 ens3 39.60 30.27 162.22 6.46 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 14.78 13.08 100.90 1.41 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 28.87 22.21 149.24 4.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3016) 09/08/26 _x86_64_ (2 CPU) 00:44:17 LINUX RESTART (2 CPU) 00:50:44 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 4.84 0.00 0.91 0.32 0.01 93.93 01:00:04 0 3.72 0.00 0.73 0.34 0.01 95.20 01:00:04 1 5.96 0.00 1.08 0.30 0.01 92.65 01:10:34 all 7.80 0.00 1.42 0.26 0.01 90.50 01:10:34 0 8.09 0.00 1.46 0.36 0.01 90.09 01:10:34 1 7.52 0.00 1.38 0.17 0.01 90.91 01:20:07 all 1.05 0.00 0.30 0.01 0.01 98.63 01:20:07 0 1.11 0.00 0.33 0.01 0.01 98.54 01:20:07 1 0.99 0.00 0.28 0.01 0.01 98.72 Average: all 4.67 0.00 0.89 0.20 0.01 94.23 Average: 0 4.43 0.00 0.86 0.24 0.01 94.45 Average: 1 4.90 0.00 0.93 0.16 0.01 94.00