---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1953 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: 5600.00 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 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 767 5195 4 2272 7174 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:7d:cf:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82185sec preferred_lft 82185sec inet6 fe80::f816:3eff:fe7d:cf4f/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-1953) 08/04/26 _x86_64_ (2 CPU) 01:45:27 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.63 0.05 1.57 0.01 3.34 19.42 430.27 02:10:09 1.39 0.01 1.38 0.00 0.05 16.09 0.12 02:20:01 1.34 0.00 1.33 0.00 0.01 15.20 0.12 02:30:09 2.02 0.25 1.75 0.03 30.58 77.94 430.26 02:40:09 14.06 0.01 1.51 12.54 1.20 17.27 109120.31 02:50:00 14.03 1.52 11.57 0.94 111.89 2329.52 577.36 Average: 5.72 0.30 3.16 2.25 24.31 407.04 18431.11 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6264972 7512244 308012 3.79 30620 1422512 527412 5.74 447568 1183776 124 02:10:09 6272560 7520348 299908 3.69 30800 1422844 527412 5.74 447524 1184288 124 02:20:01 6280148 7528424 291788 3.59 30960 1423164 528544 5.76 447168 1184768 124 02:30:09 6237164 7512856 306628 3.77 31336 1449812 729340 7.94 461544 1203028 140 02:40:09 6243608 7520272 299268 3.68 31492 1450624 556652 6.06 484048 1203528 128 02:50:00 5429132 7366692 412868 5.08 71572 2037340 643068 7.00 589252 1814396 48296 Average: 6121264 7493473 319745 3.93 37797 1534383 585405 6.38 479517 1295631 8156 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 0.69 0.08 0.08 0.02 0.00 0.00 0.00 0.00 02:10:09 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.35 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.67 0.08 6.96 0.03 0.00 0.00 0.00 0.00 02:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.90 0.49 3.22 0.05 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 6.18 3.82 4.12 3.18 0.00 0.00 0.00 0.00 02:50:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:00 ens3 42.87 27.33 282.61 10.11 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.51 5.24 48.81 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1953) 08/04/26 _x86_64_ (2 CPU) 01:45:27 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.29 0.00 0.17 0.02 0.02 99.49 02:00:09 0 0.27 0.00 0.17 0.02 0.03 99.51 02:00:09 1 0.32 0.00 0.17 0.02 0.02 99.48 02:10:09 all 0.29 0.00 0.07 0.02 0.02 99.60 02:10:09 0 0.51 0.00 0.05 0.03 0.02 99.39 02:10:09 1 0.06 0.00 0.09 0.00 0.03 99.82 02:20:01 all 0.28 0.00 0.08 0.01 0.02 99.61 02:20:01 0 0.51 0.00 0.05 0.02 0.02 99.40 02:20:01 1 0.05 0.00 0.10 0.01 0.03 99.82 02:30:09 all 0.37 0.00 0.18 0.02 0.02 99.41 02:30:09 0 0.38 0.00 0.21 0.02 0.02 99.37 02:30:09 1 0.35 0.00 0.15 0.02 0.02 99.45 02:40:09 all 0.38 0.00 0.11 0.03 0.03 99.45 02:40:09 0 0.38 0.00 0.10 0.04 0.03 99.46 02:40:09 1 0.38 0.00 0.12 0.03 0.03 99.44 02:50:00 all 6.33 0.00 0.91 0.36 0.03 92.36 02:50:00 0 9.43 0.00 1.16 0.28 0.03 89.10 02:50:00 1 3.23 0.00 0.65 0.44 0.04 95.63 Average: all 1.31 0.00 0.25 0.08 0.02 98.34 Average: 0 1.89 0.00 0.29 0.07 0.02 97.73 Average: 1 0.73 0.00 0.21 0.09 0.03 98.95