---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3644 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 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 762 5197 4 2273 7178 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:46:3d:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82556sec preferred_lft 82556sec inet6 fe80::f816:3eff:fe46:3dc2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3644) 08/09/26 _x86_64_ (2 CPU) 00:41:05 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.40 0.01 1.37 0.02 0.05 17.01 9.43 01:10:01 1.23 0.00 1.21 0.02 0.00 14.37 23.17 01:20:01 2.19 0.71 1.45 0.03 95.18 74.07 79.22 01:30:04 1.59 0.00 1.56 0.04 0.00 18.54 229.33 01:40:01 15.19 1.60 12.66 0.94 115.22 2020.03 604.98 Average: 4.30 0.46 3.64 0.21 41.97 426.60 188.76 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6276052 7526452 294680 3.62 31124 1425184 537808 5.86 443312 1188404 168 01:10:01 6275380 7526324 294800 3.62 31340 1425504 538000 5.86 443628 1188940 252 01:20:01 6230776 7511332 309188 3.80 31816 1454248 538000 5.86 454556 1207532 132 01:30:04 6241440 7522684 297800 3.66 32016 1454708 538076 5.86 454916 1208064 184 01:40:01 5443892 7385624 395112 4.86 71864 2041396 641056 6.98 592432 1817936 99988 Average: 6093508 7494483 318316 3.91 39632 1560208 558588 6.08 477769 1322175 20145 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.66 0.04 0.07 0.01 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.99 0.10 6.42 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.05 0.57 3.35 0.10 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.34 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 37.76 24.94 279.75 6.53 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.12 5.12 57.62 1.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3644) 08/09/26 _x86_64_ (2 CPU) 00:41:05 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.27 0.00 0.17 0.01 0.05 99.50 01:00:04 0 0.29 0.00 0.17 0.01 0.04 99.48 01:00:04 1 0.24 0.00 0.17 0.01 0.05 99.53 01:10:01 all 0.23 0.00 0.07 0.01 0.05 99.64 01:10:01 0 0.41 0.00 0.05 0.02 0.03 99.48 01:10:01 1 0.06 0.00 0.09 0.00 0.06 99.79 01:20:01 all 0.39 0.00 0.11 0.04 0.05 99.41 01:20:01 0 0.51 0.00 0.07 0.03 0.03 99.36 01:20:01 1 0.28 0.00 0.15 0.05 0.07 99.46 01:30:04 all 0.28 0.00 0.16 0.01 0.05 99.50 01:30:04 0 0.48 0.00 0.14 0.02 0.03 99.32 01:30:04 1 0.08 0.00 0.18 0.00 0.06 99.67 01:40:01 all 6.29 0.00 0.99 0.42 0.06 92.24 01:40:01 0 5.51 0.00 0.93 0.34 0.05 93.16 01:40:01 1 7.06 0.00 1.05 0.50 0.07 91.32 Average: all 1.49 0.00 0.30 0.10 0.05 98.06 Average: 0 1.44 0.00 0.27 0.09 0.04 98.17 Average: 1 1.54 0.00 0.33 0.11 0.06 97.96