---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3651 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 5186 4 2284 7179 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:11:06:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82454sec preferred_lft 82454sec inet6 fe80::f816:3eff:fe11:6b5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3651) 08/09/26 _x86_64_ (2 CPU) 00:41:12 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.64 0.01 1.61 0.02 0.05 19.37 862.15 01:10:00 1.37 0.00 1.35 0.02 0.00 15.74 23.06 01:20:00 1.40 0.00 1.38 0.02 0.01 15.93 23.08 01:30:01 2.45 0.71 1.70 0.04 95.06 77.66 502.95 01:40:01 17.50 1.58 15.00 0.92 114.50 2021.16 209.72 Average: 4.87 0.46 4.21 0.20 41.95 430.08 324.27 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6285404 7536296 284832 3.50 31156 1425412 519924 5.66 447204 1188484 124 01:10:00 6284096 7535536 285584 3.51 31372 1425736 520640 5.67 447840 1189024 124 01:20:00 6283088 7535076 286000 3.52 31576 1426068 520704 5.67 447640 1189560 124 01:30:01 6242756 7524516 295960 3.64 32064 1454936 520696 5.67 458548 1208160 120 01:40:01 5444524 7386716 394208 4.85 71880 2041624 633656 6.90 605848 1817992 100192 Average: 6107974 7503628 309317 3.80 39610 1554755 543124 5.92 481416 1318644 20137 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.67 0.06 0.06 0.02 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.12 0.08 6.40 0.06 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.44 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.97 0.58 3.34 0.10 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 34.95 23.27 277.91 6.38 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 7.63 4.82 57.58 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3651) 08/09/26 _x86_64_ (2 CPU) 00:41:12 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.27 0.00 0.16 0.01 0.04 99.52 01:00:00 0 0.46 0.00 0.17 0.02 0.02 99.33 01:00:00 1 0.07 0.00 0.16 0.01 0.05 99.71 01:10:00 all 0.28 0.00 0.08 0.01 0.03 99.60 01:10:00 0 0.34 0.00 0.06 0.02 0.03 99.56 01:10:00 1 0.22 0.00 0.09 0.01 0.04 99.64 01:20:00 all 0.27 0.00 0.07 0.01 0.04 99.61 01:20:00 0 0.48 0.00 0.05 0.02 0.03 99.42 01:20:00 1 0.05 0.00 0.09 0.01 0.05 99.81 01:30:01 all 0.36 0.00 0.20 0.03 0.04 99.37 01:30:01 0 0.48 0.00 0.18 0.01 0.03 99.31 01:30:01 1 0.24 0.00 0.23 0.05 0.05 99.43 01:40:01 all 6.17 0.00 0.93 0.34 0.04 92.51 01:40:01 0 8.26 0.00 1.13 0.47 0.04 90.11 01:40:01 1 4.09 0.00 0.73 0.21 0.05 94.92 Average: all 1.47 0.00 0.29 0.08 0.04 98.12 Average: 0 2.01 0.00 0.32 0.10 0.03 97.55 Average: 1 0.93 0.00 0.26 0.06 0.05 98.70