---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15670 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 762 5276 4 2192 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:31:a6:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82135sec preferred_lft 82135sec inet6 fe80::f816:3eff:fe31:a68f/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-15670) 05/16/26 _x86_64_ (2 CPU) 01:47:44 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:08 1.50 0.02 1.46 0.01 1.24 18.01 653.88 02:10:01 1.83 0.26 1.55 0.02 31.41 74.67 1.03 02:20:08 1.44 0.01 1.41 0.02 1.05 16.66 1.12 02:30:08 1.46 0.00 1.45 0.01 0.00 18.28 435.71 02:40:08 1.34 0.00 1.34 0.00 0.00 15.93 0.00 02:50:06 1.74 0.40 1.33 0.00 15.89 47.51 0.00 Average: 1.55 0.12 1.42 0.01 8.20 31.72 182.07 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:08 6278912 7529948 290464 3.57 30620 1426252 527396 5.74 451912 1187356 208 02:10:01 6227012 7504756 315136 3.88 30996 1452240 722200 7.87 466380 1204956 156 02:20:08 6241264 7519864 300048 3.69 31192 1452888 527460 5.75 461144 1205480 180 02:30:08 6246660 7525812 294088 3.62 31396 1453208 527492 5.75 461300 1206012 172 02:40:08 6247056 7526832 293068 3.60 31556 1453664 527492 5.75 461640 1206500 176 02:50:06 6217964 7512784 306752 3.77 31860 1468340 545776 5.94 487216 1219944 280 Average: 6243145 7519999 299926 3.69 31270 1451099 562969 6.13 464932 1205041 195 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 1.23 0.07 0.12 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.62 0.20 3.18 0.03 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.58 0.03 5.64 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.38 0.07 0.22 0.04 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.40 0.07 0.11 0.06 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 8.12 4.51 20.14 3.13 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.89 0.82 4.90 0.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15670) 05/16/26 _x86_64_ (2 CPU) 01:47:44 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:08 all 0.32 0.00 0.18 0.02 0.02 99.46 02:00:08 0 0.37 0.00 0.17 0.02 0.02 99.43 02:00:08 1 0.27 0.00 0.20 0.01 0.02 99.50 02:10:01 all 0.36 0.00 0.11 0.03 0.02 99.48 02:10:01 0 0.47 0.00 0.09 0.01 0.01 99.42 02:10:01 1 0.26 0.00 0.13 0.04 0.02 99.55 02:20:08 all 0.25 0.00 0.08 2.66 0.02 96.98 02:20:08 0 0.46 0.00 0.06 0.01 0.02 99.45 02:20:08 1 0.05 0.00 0.09 5.32 0.03 94.51 02:30:08 all 0.27 0.00 0.17 0.28 0.02 99.26 02:30:08 0 0.33 0.00 0.16 0.02 0.01 99.48 02:30:08 1 0.20 0.00 0.18 0.55 0.02 99.04 02:40:08 all 0.30 0.00 0.08 0.02 0.02 99.58 02:40:08 0 0.34 0.00 0.08 0.01 0.02 99.55 02:40:08 1 0.26 0.00 0.08 0.03 0.02 99.62 02:50:06 all 0.51 0.00 0.10 0.02 0.02 99.34 02:50:06 0 0.50 0.00 0.11 0.01 0.02 99.36 02:50:06 1 0.53 0.00 0.09 0.03 0.02 99.32 Average: all 0.34 0.00 0.12 0.51 0.02 99.01 Average: 0 0.41 0.00 0.11 0.01 0.02 99.45 Average: 1 0.26 0.00 0.13 1.01 0.02 98.58