---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8904 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 7.9G 30G 21% / 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 760 5289 4 2181 7181 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:43:a1:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80449sec preferred_lft 80449sec inet6 fe80::f816:3eff:fe43:a12f/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-8904) 04/28/26 _x86_64_ (2 CPU) 01:47:35 LINUX RESTART (2 CPU) 01:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:20 1.72 0.03 1.69 0.01 1.24 20.35 653.92 02:10:01 14.42 0.01 1.45 12.96 0.21 17.12 112779.86 02:20:20 1.27 0.00 1.25 0.02 0.01 15.04 1.28 02:30:20 1.42 0.00 1.39 0.03 0.00 17.45 654.99 02:40:01 1.18 0.00 1.16 0.02 0.00 14.62 1.24 02:50:20 3.45 1.59 1.81 0.05 131.24 210.53 2.48 03:00:20 21.21 1.70 17.27 2.25 131.72 3031.36 625.30 03:10:01 1.22 0.00 1.22 0.00 0.00 15.10 0.00 03:20:14 1.26 0.00 1.26 0.00 0.00 15.73 0.00 Average: 5.20 0.37 3.17 1.66 29.87 374.08 12359.66 01:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:20 6299224 7545964 274476 3.38 30580 1422048 504540 5.50 433952 1183292 124 02:10:01 6301688 7549024 271436 3.34 30792 1422424 504708 5.50 433792 1183852 156 02:20:20 6301436 7549300 271140 3.33 31000 1422748 504708 5.50 433724 1184372 184 02:30:20 6282984 7531408 288988 3.55 31208 1423076 519544 5.66 436572 1184920 184 02:40:01 6282228 7531180 289208 3.56 31396 1423408 519616 5.66 438924 1185440 248 02:50:20 5973180 7385936 426088 5.24 40752 1570904 804260 8.76 568904 1318512 64268 03:00:20 5272428 7391536 379772 4.67 85216 2198084 818132 8.91 590656 1957188 132 03:10:01 5280472 7400064 371276 4.57 85348 2198440 818132 8.91 590716 1957676 312 03:20:14 5278760 7398844 372556 4.58 85492 2198788 818128 8.91 590832 1958168 168 Average: 5919156 7475917 327216 4.02 50198 1697769 645752 7.03 502008 1457047 7308 01:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:20 ens3 0.81 0.07 0.10 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.63 0.09 0.12 0.06 0.00 0.00 0.00 0.00 02:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:20 ens3 0.29 0.03 0.12 0.01 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.28 0.03 0.12 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.37 0.10 0.08 0.44 0.00 0.00 0.00 0.00 02:50:20 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:50:20 ens3 19.34 10.56 70.42 4.00 0.00 0.00 0.00 0.00 03:00:20 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:00:20 ens3 46.47 32.91 233.35 6.95 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 1.03 0.15 0.12 0.03 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 0.78 0.14 0.10 0.03 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 7.85 4.94 34.12 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8904) 04/28/26 _x86_64_ (2 CPU) 01:47:35 LINUX RESTART (2 CPU) 01:50:20 CPU %user %nice %system %iowait %steal %idle 02:00:20 all 0.30 0.00 0.17 0.01 0.03 99.49 02:00:20 0 0.37 0.00 0.19 0.02 0.03 99.40 02:00:20 1 0.23 0.00 0.16 0.01 0.03 99.58 02:10:01 all 0.27 0.00 0.08 0.03 0.03 99.58 02:10:01 0 0.23 0.00 0.09 0.04 0.04 99.60 02:10:01 1 0.32 0.00 0.08 0.02 0.03 99.56 02:20:20 all 0.24 0.00 0.07 0.01 0.03 99.65 02:20:20 0 0.04 0.00 0.08 0.01 0.03 99.84 02:20:20 1 0.44 0.00 0.06 0.01 0.03 99.46 02:30:20 all 0.24 0.00 0.17 0.01 0.03 99.55 02:30:20 0 0.11 0.00 0.16 0.00 0.03 99.70 02:30:20 1 0.37 0.00 0.19 0.01 0.02 99.41 02:40:01 all 0.27 0.00 0.07 0.01 0.03 99.62 02:40:01 0 0.09 0.00 0.10 0.01 0.03 99.78 02:40:01 1 0.46 0.00 0.05 0.01 0.02 99.45 02:50:20 all 1.36 0.00 0.28 0.06 0.02 98.28 02:50:20 0 1.09 0.00 0.34 0.06 0.03 98.48 02:50:20 1 1.63 0.00 0.22 0.06 0.02 98.08 03:00:20 all 9.87 0.00 1.62 0.45 0.06 88.00 03:00:20 0 8.98 0.00 1.41 0.40 0.05 89.14 03:00:20 1 10.76 0.00 1.83 0.49 0.06 86.86 03:10:01 all 0.43 0.00 0.14 0.01 0.04 99.38 03:10:01 0 0.49 0.00 0.10 0.01 0.03 99.37 03:10:01 1 0.38 0.00 0.18 0.01 0.05 99.39 03:20:14 all 0.40 0.00 0.13 0.01 0.04 99.41 03:20:14 0 0.46 0.00 0.07 0.00 0.02 99.45 03:20:14 1 0.34 0.00 0.20 0.01 0.07 99.38 Average: all 1.49 0.00 0.31 0.06 0.03 98.10 Average: 0 1.32 0.00 0.28 0.06 0.03 98.30 Average: 1 1.66 0.00 0.33 0.07 0.04 97.90