---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27247 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 766 5126 4 2341 7175 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:0a:82:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82725sec preferred_lft 82725sec inet6 fe80::f816:3eff:fe0a:829b/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-27247) 06/14/26 _x86_64_ (2 CPU) 00:34:31 LINUX RESTART (2 CPU) 00:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 1.53 0.02 1.49 0.02 0.65 27.11 0.92 01:00:06 1.51 0.00 1.49 0.02 0.00 24.05 0.28 01:10:06 1.79 0.25 1.52 0.01 30.97 189.80 396.43 01:20:06 1.37 0.01 1.35 0.01 1.07 33.60 0.17 01:30:06 1.57 0.00 1.54 0.03 0.00 25.40 0.45 Average: 1.55 0.06 1.48 0.02 6.54 59.99 79.65 00:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 5179540 7347964 419908 5.16 85816 2243512 664852 7.24 599084 2014512 236 01:00:06 5195128 7365512 402292 4.95 85964 2245324 667224 7.27 601492 2016472 220 01:10:06 5079272 7310904 456392 5.61 86236 2305884 899172 9.79 650856 2068540 184 01:20:06 5044356 7282032 485300 5.97 86380 2311704 724528 7.89 667392 2074192 508 01:30:06 5089240 7329192 438080 5.39 86528 2313780 691056 7.53 633940 2076288 412 Average: 5117507 7327121 440394 5.42 86185 2284041 729366 7.94 630553 2050001 312 00:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 20.99 19.00 223.67 1.77 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 8.80 8.29 61.31 0.90 0.00 0.00 0.00 0.00 01:10:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 15.13 13.76 160.06 1.30 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 16.47 15.82 142.03 1.93 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 12.96 12.47 140.08 1.13 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 14.87 13.87 145.43 1.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27247) 06/14/26 _x86_64_ (2 CPU) 00:34:31 LINUX RESTART (2 CPU) 00:40:06 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 1.07 0.00 0.29 0.01 0.09 98.54 00:50:06 0 0.88 0.00 0.27 0.01 0.08 98.76 00:50:06 1 1.26 0.00 0.32 0.02 0.09 98.32 01:00:06 all 4.46 0.00 0.46 0.01 0.07 95.00 01:00:06 0 7.18 0.00 0.54 0.01 0.06 92.21 01:00:06 1 1.70 0.00 0.39 0.01 0.07 97.83 01:10:06 all 6.25 0.00 0.52 0.04 0.09 93.10 01:10:06 0 5.44 0.00 0.48 0.05 0.11 93.92 01:10:06 1 7.10 0.00 0.56 0.02 0.07 92.24 01:20:06 all 1.92 0.00 0.30 0.01 0.09 97.68 01:20:06 0 1.85 0.00 0.32 0.01 0.11 97.71 01:20:06 1 2.00 0.00 0.28 0.01 0.07 97.65 01:30:06 all 0.95 0.00 0.31 0.02 0.08 98.65 01:30:06 0 0.71 0.00 0.21 0.02 0.06 98.99 01:30:06 1 1.18 0.00 0.41 0.02 0.10 98.30 Average: all 2.93 0.00 0.38 0.02 0.08 96.60 Average: 0 3.23 0.00 0.36 0.02 0.08 96.30 Average: 1 2.62 0.00 0.39 0.01 0.08 96.90