---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6894 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 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 784 5171 4 2275 7157 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:49:7f:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80946sec preferred_lft 80946sec inet6 fe80::f816:3eff:fe49:7f6b/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-6894) 04/23/26 _x86_64_ (2 CPU) 01:48:22 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:21 1.55 0.02 1.52 0.01 1.20 18.32 422.23 02:10:21 1.40 0.01 1.38 0.01 0.05 16.19 0.84 02:20:01 1.34 0.00 1.32 0.02 0.01 15.71 1.12 02:30:01 1.51 0.00 1.48 0.03 0.00 17.76 436.91 02:40:21 1.95 0.31 1.61 0.03 38.77 72.63 1.52 02:50:01 1.37 0.00 1.36 0.02 0.00 16.15 1.12 03:00:21 35.23 2.94 17.13 15.16 220.84 3061.27 103833.66 03:10:01 1.36 0.00 1.36 0.00 0.36 68.43 0.03 Average: 5.86 0.42 3.46 1.97 33.74 423.58 13523.46 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:21 6291512 7537560 283152 3.48 30564 1421404 529276 5.76 436260 1183128 172 02:10:21 6291272 7537848 282848 3.48 30760 1421732 529300 5.77 436396 1183652 124 02:20:01 6290268 7537384 283304 3.48 30960 1422060 529408 5.77 436616 1184180 240 02:30:01 6291636 7539296 281376 3.46 31164 1422380 529524 5.77 436636 1184704 240 02:40:21 6248828 7525924 294104 3.62 31568 1451024 529512 5.77 448156 1202312 240 02:50:01 6256416 7534048 285992 3.52 31768 1451352 529576 5.77 448584 1202840 236 03:00:21 5265440 7382180 389672 4.79 85056 2196016 682280 7.43 624288 1954948 1752 03:10:01 5246664 7377456 394324 4.85 85196 2209952 683768 7.45 627708 1968900 532 Average: 6022754 7496462 311846 3.83 44630 1624490 567830 6.18 486830 1383083 442 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:21 ens3 1.23 0.07 0.14 0.03 0.00 0.00 0.00 0.00 02:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:21 ens3 0.37 0.03 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 0.22 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.19 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 0.48 0.23 3.03 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.20 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:21 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:21 ens3 72.98 51.12 292.40 12.24 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 44.24 39.67 9.50 5.43 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 15.12 11.46 39.36 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6894) 04/23/26 _x86_64_ (2 CPU) 01:48:22 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:21 all 0.28 0.00 0.16 0.11 0.02 99.43 02:00:21 0 0.26 0.00 0.15 0.01 0.02 99.55 02:00:21 1 0.29 0.00 0.16 0.21 0.02 99.32 02:10:21 all 0.25 0.00 0.08 0.01 0.02 99.65 02:10:21 0 0.42 0.00 0.06 0.01 0.01 99.49 02:10:21 1 0.07 0.00 0.09 0.01 0.02 99.81 02:20:01 all 0.23 0.00 0.08 0.02 0.01 99.66 02:20:01 0 0.40 0.00 0.06 0.01 0.01 99.51 02:20:01 1 0.06 0.00 0.09 0.02 0.02 99.81 02:30:01 all 0.28 0.00 0.17 0.08 0.02 99.46 02:30:01 0 0.47 0.00 0.15 0.15 0.01 99.21 02:30:01 1 0.08 0.00 0.19 0.01 0.02 99.70 02:40:21 all 0.35 0.00 0.12 0.04 0.01 99.48 02:40:21 0 0.44 0.00 0.08 0.01 0.01 99.46 02:40:21 1 0.26 0.00 0.16 0.06 0.02 99.50 02:50:01 all 0.26 0.00 0.08 0.03 0.02 99.60 02:50:01 0 0.23 0.00 0.08 0.01 0.01 99.66 02:50:01 1 0.30 0.00 0.09 0.06 0.02 99.54 03:00:21 all 13.94 0.00 1.99 1.35 0.07 82.65 03:00:21 0 17.80 0.00 2.26 1.53 0.07 78.33 03:00:21 1 10.11 0.00 1.72 1.18 0.06 86.93 03:10:01 all 6.21 0.00 0.60 0.04 0.05 93.09 03:10:01 0 5.38 0.00 0.59 0.08 0.05 93.89 03:10:01 1 7.04 0.00 0.60 0.00 0.05 92.30 Average: all 2.74 0.00 0.41 0.22 0.03 96.60 Average: 0 3.20 0.00 0.44 0.23 0.03 96.10 Average: 1 2.28 0.00 0.39 0.20 0.03 97.10