---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27296 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 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 752 5219 4 2262 7189 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:1c:22:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82198sec preferred_lft 82198sec inet6 fe80::f816:3eff:fe1c:220c/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-27296) 06/14/26 _x86_64_ (2 CPU) 01:47:35 LINUX RESTART (2 CPU) 01:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:25 2.22 0.28 1.92 0.03 32.18 78.80 435.62 02:10:01 1.27 0.01 1.25 0.01 1.15 15.24 0.82 02:20:28 1.23 0.00 1.21 0.02 0.01 14.69 1.06 02:30:27 1.43 0.00 1.39 0.03 0.00 17.62 873.41 02:40:01 1.27 0.00 1.25 0.02 0.00 14.87 1.13 02:50:29 2.83 1.26 1.54 0.03 92.06 116.05 1.61 Average: 1.72 0.27 1.43 0.02 21.59 43.64 218.59 01:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:25 6242744 7515996 303776 3.74 30752 1447992 723592 7.88 461340 1200404 124 02:10:01 6258912 7533012 286812 3.53 30956 1448632 527748 5.75 456188 1200936 128 02:20:28 6265584 7540244 279532 3.44 31172 1448964 527904 5.75 456228 1201484 124 02:30:27 6261572 7536780 282940 3.48 31380 1449292 527904 5.75 456252 1202020 184 02:40:01 6261932 7537672 282044 3.47 31576 1449620 527904 5.75 456432 1202544 320 02:50:29 5999576 7377428 436112 5.36 39568 1538508 595852 6.49 547260 1286708 42212 Average: 6215053 7506855 311869 3.83 32567 1463835 571817 6.23 472283 1215683 7182 01:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 1.05 0.22 3.19 0.05 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 0.60 0.07 0.20 0.02 0.00 0.00 0.00 0.00 02:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:28 ens3 0.50 0.02 3.26 0.01 0.00 0.00 0.00 0.00 02:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:27 ens3 0.80 0.04 1.00 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.35 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:50:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:29 ens3 19.65 10.71 51.56 4.33 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.97 1.93 10.29 0.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27296) 06/14/26 _x86_64_ (2 CPU) 01:47:35 LINUX RESTART (2 CPU) 01:50:25 CPU %user %nice %system %iowait %steal %idle 02:00:25 all 0.41 0.00 0.20 0.02 0.03 99.34 02:00:25 0 0.49 0.00 0.21 0.03 0.03 99.24 02:00:25 1 0.33 0.00 0.19 0.01 0.03 99.44 02:10:01 all 0.27 0.00 0.08 0.01 0.02 99.62 02:10:01 0 0.46 0.00 0.06 0.01 0.02 99.46 02:10:01 1 0.07 0.00 0.11 0.01 0.03 99.78 02:20:28 all 0.23 0.00 0.08 0.01 0.02 99.66 02:20:28 0 0.40 0.00 0.07 0.01 0.02 99.50 02:20:28 1 0.05 0.00 0.10 0.00 0.02 99.82 02:30:27 all 0.29 0.00 0.17 0.01 0.02 99.51 02:30:27 0 0.21 0.00 0.16 0.02 0.02 99.59 02:30:27 1 0.36 0.00 0.18 0.01 0.02 99.43 02:40:01 all 0.27 0.00 0.07 0.01 0.02 99.63 02:40:01 0 0.06 0.00 0.08 0.01 0.02 99.83 02:40:01 1 0.49 0.00 0.06 0.00 0.02 99.43 02:50:29 all 1.17 0.00 0.24 0.05 0.02 98.52 02:50:29 0 0.80 0.00 0.19 0.02 0.03 98.95 02:50:29 1 1.54 0.00 0.29 0.07 0.02 98.08 Average: all 0.45 0.00 0.14 0.02 0.02 99.37 Average: 0 0.41 0.00 0.13 0.02 0.02 99.42 Average: 1 0.48 0.00 0.16 0.02 0.02 99.32