---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12612 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 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 769 5271 4 2189 7172 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:e4:8d:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80828sec preferred_lft 80828sec inet6 fe80::f816:3eff:fee4:8ddb/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-12612) 05/11/26 _x86_64_ (2 CPU) 00:40:07 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.49 0.01 1.46 0.02 0.05 18.22 1087.41 01:10:01 13.80 0.00 1.23 12.57 0.15 14.23 109495.93 01:20:02 1.22 0.00 1.22 0.00 0.01 14.30 0.12 01:30:03 1.87 0.25 1.60 0.02 30.89 74.94 868.85 01:40:01 1.19 0.00 1.19 0.00 0.00 14.18 0.00 01:50:03 1.78 0.37 1.40 0.01 14.46 47.50 0.84 02:00:02 22.54 2.66 17.63 2.25 214.28 3155.40 2063.87 02:10:01 1.35 0.00 1.33 0.02 0.00 21.63 1.28 Average: 5.64 0.41 3.38 1.86 32.41 418.87 14149.97 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6281480 7532692 287452 3.53 30792 1426016 529240 5.76 446640 1187724 48 01:10:01 6281480 7533240 286876 3.53 30952 1426400 531028 5.78 448312 1188248 148 01:20:02 6289292 7541568 278548 3.43 31120 1426728 531028 5.78 448916 1188752 180 01:30:03 6238308 7517280 302364 3.72 31496 1452664 733756 7.99 463108 1206304 236 01:40:01 6249244 7528844 290788 3.58 31656 1453124 734520 8.00 464316 1206792 240 01:50:03 6217608 7511820 307616 3.78 31940 1467300 747012 8.14 491740 1219972 192 02:00:02 5216168 7338840 432288 5.32 85296 2201228 873360 9.51 630324 1962980 124 02:10:01 5198504 7323252 447916 5.51 85472 2203128 896232 9.76 645136 1965056 244 Average: 5996510 7478442 329231 4.05 44840 1632074 697022 7.59 504812 1390728 176 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.48 0.05 0.08 0.03 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 0.75 0.06 3.97 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.44 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.50 0.22 3.14 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.50 0.21 0.12 0.61 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 11.68 5.40 19.96 2.64 0.00 0.00 0.00 0.00 02:00:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:02 ens3 57.60 40.12 296.00 8.84 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 12.52 11.50 107.27 1.05 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.54 7.19 53.72 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12612) 05/11/26 _x86_64_ (2 CPU) 00:40:07 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.26 0.00 0.17 0.01 0.02 99.54 01:00:02 0 0.26 0.00 0.16 0.02 0.02 99.54 01:00:02 1 0.25 0.00 0.18 0.00 0.02 99.54 01:10:01 all 0.28 0.00 0.08 0.03 0.02 99.59 01:10:01 0 0.27 0.00 0.08 0.04 0.02 99.59 01:10:01 1 0.28 0.00 0.08 0.02 0.02 99.59 01:20:02 all 0.26 0.00 0.07 0.01 0.02 99.63 01:20:02 0 0.05 0.00 0.09 0.01 0.03 99.83 01:20:02 1 0.48 0.00 0.06 0.01 0.02 99.43 01:30:03 all 0.41 0.00 0.19 0.02 0.02 99.35 01:30:03 0 0.33 0.00 0.22 0.04 0.03 99.39 01:30:03 1 0.49 0.00 0.17 0.00 0.02 99.32 01:40:01 all 0.27 0.00 0.07 0.01 0.02 99.63 01:40:01 0 0.06 0.00 0.08 0.01 0.02 99.83 01:40:01 1 0.49 0.00 0.05 0.01 0.02 99.43 01:50:03 all 0.49 0.00 0.09 0.01 0.02 99.39 01:50:03 0 0.26 0.00 0.11 0.01 0.02 99.59 01:50:03 1 0.71 0.00 0.07 0.01 0.01 99.19 02:00:02 all 10.94 0.00 1.75 0.94 0.06 86.31 02:00:02 0 9.36 0.00 1.60 0.68 0.06 88.30 02:00:02 1 12.53 0.00 1.91 1.19 0.07 84.31 02:10:01 all 0.87 0.00 0.21 0.03 0.05 98.85 02:10:01 0 0.92 0.00 0.23 0.01 0.05 98.79 02:10:01 1 0.82 0.00 0.19 0.05 0.04 98.90 Average: all 1.72 0.00 0.33 0.13 0.03 97.79 Average: 0 1.43 0.00 0.32 0.10 0.03 98.11 Average: 1 2.00 0.00 0.34 0.16 0.03 97.47