---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28180 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: 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 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 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 750 5125 4 2358 7191 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:6a:9a:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81651sec preferred_lft 81651sec inet6 fe80::f816:3eff:fe6a:9aa2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28180) 06/18/26 _x86_64_ (2 CPU) 00:44:36 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.47 0.01 1.44 0.03 0.05 18.25 665.83 01:10:01 1.75 0.25 1.47 0.03 31.19 74.64 1.24 01:20:16 1.45 0.03 1.41 0.01 3.14 17.25 0.79 01:30:01 1.61 0.00 1.59 0.02 0.00 18.85 670.00 01:40:01 1.36 0.00 1.36 0.00 0.00 16.17 0.00 01:50:06 1.61 0.25 1.37 0.00 8.60 31.63 0.00 02:00:01 23.77 2.78 18.68 2.30 219.49 3558.03 724.49 Average: 4.70 0.47 3.89 0.34 37.38 531.49 290.90 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6293892 7542264 278148 3.42 30700 1423332 519136 5.65 443064 1183528 284 01:10:01 6246748 7521996 297932 3.66 31076 1449496 723892 7.88 457548 1201304 124 01:20:16 6282124 7558880 261088 3.21 31292 1450768 519364 5.66 453260 1201920 8 01:30:01 6270772 7548064 271804 3.34 31456 1451100 519364 5.66 453144 1202416 172 01:40:01 6267552 7545484 274376 3.37 31636 1451556 519688 5.66 451016 1202924 308 01:50:06 6255464 7541236 278524 3.42 31848 1459108 525828 5.73 465644 1209860 196 02:00:01 5128112 7370500 377992 4.65 87016 2313388 655408 7.14 616404 2074948 2168 Average: 6106381 7518346 291409 3.58 39289 1571250 568954 6.20 477154 1325271 466 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.66 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.01 0.41 3.23 0.06 0.00 0.00 0.00 0.00 01:20:16 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.47 0.12 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.50 0.26 0.13 0.52 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 4.74 2.16 9.26 0.66 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 79.23 60.56 338.82 14.83 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.38 9.06 50.07 2.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28180) 06/18/26 _x86_64_ (2 CPU) 00:44:36 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.30 0.00 0.17 0.01 0.03 99.49 01:00:06 0 0.27 0.00 0.17 0.02 0.02 99.52 01:00:06 1 0.32 0.00 0.18 0.00 0.04 99.46 01:10:01 all 0.39 0.00 0.10 0.02 0.03 99.45 01:10:01 0 0.41 0.00 0.10 0.03 0.03 99.43 01:10:01 1 0.37 0.00 0.11 0.02 0.03 99.47 01:20:16 all 0.29 0.00 0.09 0.01 0.03 99.58 01:20:16 0 0.47 0.00 0.06 0.02 0.02 99.43 01:20:16 1 0.12 0.00 0.12 0.00 0.04 99.72 01:30:01 all 0.27 0.00 0.17 0.01 0.03 99.53 01:30:01 0 0.44 0.00 0.16 0.01 0.02 99.36 01:30:01 1 0.09 0.00 0.19 0.00 0.04 99.69 01:40:01 all 0.28 0.00 0.07 0.01 0.03 99.62 01:40:01 0 0.21 0.00 0.06 0.01 0.03 99.69 01:40:01 1 0.35 0.00 0.07 0.00 0.04 99.55 01:50:06 all 0.32 0.00 0.08 0.01 0.04 99.56 01:50:06 0 0.11 0.00 0.10 0.02 0.04 99.74 01:50:06 1 0.53 0.00 0.05 0.00 0.03 99.38 02:00:01 all 17.59 0.00 1.97 0.56 0.06 79.81 02:00:01 0 18.10 0.00 1.95 0.49 0.06 79.40 02:00:01 1 17.07 0.00 1.99 0.64 0.07 80.23 Average: all 2.76 0.00 0.38 0.09 0.04 96.74 Average: 0 2.84 0.00 0.37 0.08 0.03 96.67 Average: 1 2.68 0.00 0.38 0.10 0.04 96.80