---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1377 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 750 5306 4 2173 7191 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:14:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82224sec preferred_lft 82224sec inet6 fe80::f816:3eff:fe7d:148a/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-1377) 04/09/26 _x86_64_ (2 CPU) 01:47:29 LINUX RESTART (2 CPU) 01:50:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:29 2.06 0.34 1.69 0.03 40.49 74.97 439.03 02:10:19 1.45 0.01 1.43 0.02 0.05 16.95 1.22 02:20:35 13.61 0.00 1.36 12.24 0.16 15.90 106439.76 02:30:35 1.41 0.00 1.38 0.02 0.00 17.26 436.46 02:40:09 1.19 0.00 1.17 0.02 0.00 14.58 1.25 02:50:02 1.65 0.40 1.23 0.02 16.02 47.26 1.11 Average: 3.63 0.13 1.38 2.13 9.46 31.17 18493.19 01:50:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:29 6247928 7522132 297808 3.66 30796 1448664 734740 8.00 460920 1200072 176 02:10:19 6255740 7530520 289444 3.56 31028 1449004 734812 8.00 461000 1200644 176 02:20:35 6261588 7536996 282916 3.48 31248 1449400 734968 8.01 460956 1201228 156 02:30:35 6258768 7534740 285160 3.51 31468 1449728 734968 8.01 461244 1201780 156 02:40:09 6258544 7535020 284876 3.50 31668 1450028 734968 8.01 461424 1202280 192 02:50:02 6223120 7514808 304732 3.75 32008 1464828 751644 8.19 487052 1215768 484 Average: 6250948 7529036 290823 3.58 31369 1451942 737683 8.03 465433 1203629 223 01:50:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:29 ens3 0.91 0.22 3.13 0.05 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.39 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:35 ens3 0.80 0.03 5.54 0.01 0.00 0.00 0.00 0.00 02:30:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:35 ens3 0.26 0.03 0.06 0.01 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 0.30 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:50:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 10.19 5.52 20.43 3.02 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 2.14 0.98 4.90 0.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1377) 04/09/26 _x86_64_ (2 CPU) 01:47:29 LINUX RESTART (2 CPU) 01:50:33 CPU %user %nice %system %iowait %steal %idle 02:00:29 all 0.43 0.00 0.21 0.05 0.02 99.29 02:00:29 0 0.40 0.00 0.21 0.07 0.02 99.29 02:00:29 1 0.46 0.00 0.21 0.03 0.02 99.28 02:10:19 all 0.23 0.00 0.08 0.07 0.02 99.59 02:10:19 0 0.27 0.00 0.08 0.14 0.02 99.50 02:10:19 1 0.20 0.00 0.09 0.01 0.02 99.68 02:20:35 all 0.27 0.00 0.09 0.03 0.02 99.58 02:20:35 0 0.48 0.00 0.06 0.02 0.02 99.42 02:20:35 1 0.07 0.00 0.11 0.05 0.02 99.75 02:30:35 all 0.28 0.00 0.16 0.02 0.02 99.53 02:30:35 0 0.33 0.00 0.17 0.03 0.02 99.46 02:30:35 1 0.23 0.00 0.15 0.01 0.02 99.60 02:40:09 all 0.28 0.00 0.08 0.01 0.02 99.61 02:40:09 0 0.17 0.00 0.08 0.01 0.02 99.72 02:40:09 1 0.40 0.00 0.07 0.02 0.02 99.49 02:50:02 all 0.49 0.00 0.10 0.01 0.02 99.38 02:50:02 0 0.32 0.00 0.11 0.01 0.03 99.53 02:50:02 1 0.66 0.00 0.09 0.02 0.02 99.22 Average: all 0.33 0.00 0.12 0.03 0.02 99.49 Average: 0 0.33 0.00 0.12 0.04 0.02 99.49 Average: 1 0.33 0.00 0.12 0.02 0.02 99.50