---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10681 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 768 5175 4 2288 7173 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:bc:6a:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80691sec preferred_lft 80691sec inet6 fe80::f816:3eff:febc:6a13/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10681) 05/04/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.53 0.02 1.50 0.02 0.84 17.81 447.47 00:20:06 1.76 0.11 1.61 0.03 3.45 20.86 444.16 00:30:26 13.78 0.00 1.61 12.16 0.14 19.59 106254.29 00:40:01 24.50 3.15 19.03 2.32 238.09 3320.13 832.84 00:50:25 1.35 0.00 1.33 0.01 0.00 38.32 0.94 01:00:26 1.59 0.00 1.55 0.04 0.35 70.92 2.07 01:10:01 1.34 0.00 1.31 0.02 0.00 92.76 2.21 Average: 6.49 0.45 3.90 2.14 33.38 493.00 15982.88 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6238796 7518392 301412 3.71 31232 1453800 521580 5.68 455752 1205572 292 00:20:06 6241260 7521588 298136 3.67 31588 1454096 519972 5.66 455636 1206008 228 00:30:26 6250136 7531172 288488 3.55 31784 1454600 520108 5.66 455912 1206544 228 00:40:01 5294688 7417468 353776 4.35 85132 2201616 617112 6.72 587816 1961360 192 00:50:25 5280348 7410144 361200 4.44 85308 2208528 631592 6.88 594152 1968448 276 01:00:26 5254672 7399980 371156 4.56 85492 2223904 633336 6.90 596360 1983848 328 01:10:01 5212740 7380524 390564 4.80 85672 2246008 653196 7.11 615728 2006188 472 Average: 5681806 7454181 337819 4.15 62315 1891793 585271 6.37 537337 1648281 288 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:06 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:06 ens3 0.23 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:26 ens3 0.35 0.10 0.11 0.06 0.00 0.00 0.00 0.00 00:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 69.64 45.97 316.56 12.19 0.00 0.00 0.00 0.00 00:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:25 ens3 16.26 13.67 3.28 1.87 0.00 0.00 0.00 0.00 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 46.31 42.48 10.40 5.78 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 22.06 21.59 4.80 3.24 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.80 17.45 46.15 3.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10681) 05/04/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.30 0.00 0.10 0.07 0.03 99.50 00:10:01 0 0.42 0.00 0.09 0.04 0.02 99.43 00:10:01 1 0.19 0.00 0.10 0.10 0.03 99.58 00:20:06 all 0.50 0.00 0.21 0.03 0.03 99.24 00:20:06 0 0.72 0.00 0.17 0.02 0.02 99.07 00:20:06 1 0.27 0.00 0.25 0.04 0.04 99.41 00:30:26 all 0.29 0.00 0.16 0.06 0.03 99.46 00:30:26 0 0.50 0.00 0.15 0.10 0.02 99.23 00:30:26 1 0.08 0.00 0.18 0.02 0.04 99.69 00:40:01 all 11.43 0.00 1.72 0.87 0.05 85.94 00:40:01 0 11.69 0.00 1.67 1.02 0.04 85.58 00:40:01 1 11.18 0.00 1.77 0.71 0.05 86.30 00:50:25 all 3.24 0.00 0.29 0.01 0.07 96.39 00:50:25 0 3.26 0.00 0.27 0.02 0.07 96.38 00:50:25 1 3.23 0.00 0.31 0.01 0.06 96.40 01:00:26 all 6.01 0.00 0.60 0.02 0.06 93.29 01:00:26 0 5.30 0.00 0.57 0.04 0.06 94.02 01:00:26 1 6.72 0.00 0.63 0.01 0.07 92.57 01:10:01 all 7.16 0.00 0.32 0.01 0.07 92.45 01:10:01 0 5.85 0.00 0.29 0.01 0.06 93.79 01:10:01 1 8.47 0.00 0.34 0.02 0.07 91.10 Average: all 4.05 0.00 0.48 0.15 0.05 95.27 Average: 0 3.89 0.00 0.45 0.17 0.04 95.44 Average: 1 4.22 0.00 0.50 0.12 0.05 95.11