---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2909 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 766 5113 4 2359 7175 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:2c:f2:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50127sec preferred_lft 50127sec inet6 fe80::f816:3eff:fe2c:f233/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2909) 04/16/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.91 0.02 1.88 0.02 0.81 22.73 216.40 00:20:01 1.97 0.11 1.83 0.03 3.05 24.87 369.93 00:30:01 1.87 0.00 1.85 0.02 0.00 20.35 0.83 00:40:01 22.49 3.02 17.29 2.19 226.26 3121.77 669.05 00:50:01 1.66 0.00 1.63 0.03 0.00 61.64 4.69 01:00:01 1.88 0.00 1.82 0.05 0.35 112.65 4.32 Average: 5.30 0.52 4.38 0.39 38.41 560.66 210.87 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6124004 7522952 285512 3.51 54376 1540484 582700 6.35 471056 1309420 124 00:20:01 6161040 7521648 286744 3.53 54548 1501880 525496 5.72 464624 1270780 124 00:30:01 6160828 7521908 286508 3.52 54696 1502216 525496 5.72 464620 1271256 176 00:40:01 5214440 7404256 356608 4.38 103720 2241400 625592 6.81 604680 2014352 312 00:50:01 5193440 7396560 364364 4.48 103848 2254572 640324 6.97 611308 2027656 636 01:00:01 5150564 7381368 379376 4.66 103984 2282032 643328 7.01 614512 2055016 632 Average: 5667386 7458115 326519 4.01 79195 1887097 590489 6.43 538467 1658080 334 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.20 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.17 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.54 0.16 0.20 0.12 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 58.02 41.47 299.22 11.91 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 42.34 35.21 8.66 4.47 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 42.64 42.18 9.35 5.89 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 23.99 19.86 52.92 3.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2909) 04/16/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.12 0.01 0.03 99.60 00:10:01 0 0.40 0.00 0.11 0.02 0.02 99.45 00:10:01 1 0.10 0.00 0.12 0.00 0.04 99.74 00:20:01 all 0.65 0.00 0.23 0.01 0.03 99.08 00:20:01 0 0.42 0.00 0.24 0.01 0.04 99.29 00:20:01 1 0.87 0.00 0.22 0.01 0.02 98.88 00:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 00:30:01 0 0.39 0.00 0.15 0.01 0.03 99.43 00:30:01 1 0.16 0.00 0.16 0.02 0.03 99.63 00:40:01 all 11.36 0.00 1.69 0.51 0.05 86.39 00:40:01 0 10.28 0.00 1.64 0.60 0.05 87.43 00:40:01 1 12.44 0.00 1.74 0.41 0.06 85.35 00:50:01 all 7.35 0.00 0.52 0.04 0.07 92.01 00:50:01 0 6.09 0.00 0.46 0.06 0.06 93.34 00:50:01 1 8.61 0.00 0.59 0.03 0.08 90.69 01:00:01 all 8.17 0.00 0.60 0.01 0.07 91.15 01:00:01 0 6.79 0.00 0.59 0.01 0.07 92.54 01:00:01 1 9.55 0.00 0.61 0.01 0.08 89.75 Average: all 4.67 0.00 0.55 0.10 0.05 94.63 Average: 0 4.06 0.00 0.53 0.12 0.05 95.25 Average: 1 5.28 0.00 0.57 0.08 0.05 94.01