---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37911 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 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 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 20G 19G 51% / 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 841 221 4 7190 7100 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:eb:11:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82242sec preferred_lft 82242sec inet6 fe80::f816:3eff:feeb:1137/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37911) 08/16/26 _x86_64_ (2 CPU) 00:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:15 1.52 0.16 1.34 0.01 2.73 17.12 0.24 00:20:00 1.48 0.16 1.30 0.02 5.49 17.09 5.06 00:30:15 15.07 0.01 1.43 13.64 0.17 17.33 65703.83 00:40:15 1.17 0.00 1.17 0.00 0.00 14.01 0.00 Average: 4.87 0.08 1.31 3.48 2.07 16.39 16736.84 00:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:15 323080 7341436 390384 4.80 94748 6818340 695404 7.57 905504 6306448 164 00:20:00 315872 7335592 396184 4.87 95452 6818828 694192 7.56 905448 6307416 152 00:30:15 309396 7331028 400660 4.93 95588 6820572 694308 7.56 905624 6309144 180 00:40:15 312632 7334724 396972 4.88 95728 6820888 694248 7.56 905984 6309604 164 Average: 315245 7335695 396050 4.87 95379 6819657 694538 7.56 905640 6308153 165 00:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:15 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:10:15 ens3 23.94 24.78 233.84 1.96 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 24.39 25.41 237.71 1.97 0.00 0.00 0.00 0.00 00:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:15 ens3 23.30 24.68 237.68 1.95 0.00 0.00 0.00 0.00 00:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:15 ens3 24.51 24.84 237.98 2.10 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 24.03 24.92 236.79 1.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37911) 08/16/26 _x86_64_ (2 CPU) 00:00:02 CPU %user %nice %system %iowait %steal %idle 00:10:15 all 1.11 0.00 0.20 0.01 0.03 98.64 00:10:15 0 1.16 0.00 0.20 0.01 0.03 98.60 00:10:15 1 1.07 0.00 0.20 0.01 0.03 98.68 00:20:00 all 1.31 0.00 0.29 0.01 0.03 98.35 00:20:00 0 1.88 0.00 0.34 0.01 0.03 97.74 00:20:00 1 0.75 0.00 0.25 0.01 0.04 98.95 00:30:15 all 1.13 0.00 0.25 0.03 0.03 98.56 00:30:15 0 1.11 0.00 0.25 0.05 0.03 98.56 00:30:15 1 1.16 0.00 0.24 0.01 0.03 98.56 00:40:15 all 1.17 0.00 0.15 0.01 0.03 98.64 00:40:15 0 1.25 0.00 0.17 0.00 0.03 98.54 00:40:15 1 1.09 0.00 0.12 0.01 0.03 98.74 Average: all 1.18 0.00 0.22 0.01 0.03 98.55 Average: 0 1.34 0.00 0.24 0.02 0.03 98.37 Average: 1 1.02 0.00 0.20 0.01 0.03 98.73