---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3168 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: 5599.94 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 773 5217 4 2247 7168 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:ef:3d:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82146sec preferred_lft 82146sec inet6 fe80::f816:3eff:feef:3dd4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3168) 04/16/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.47 0.03 1.43 0.01 1.24 140.64 436.50 02:10:45 13.53 0.30 1.51 11.72 36.56 69.76 101809.88 02:20:05 16.43 14.51 1.84 0.07 163.06 44.44 312.16 02:30:01 1.36 0.00 1.35 0.02 0.00 16.87 217.62 02:40:35 1.18 0.00 1.18 0.00 0.00 14.66 0.00 02:50:45 5.15 1.34 3.70 0.11 96.98 446.07 5.08 Average: 6.45 2.51 1.83 2.10 47.97 122.30 18139.48 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6300824 7548132 272488 3.35 30516 1422476 519540 5.66 447564 1182996 256 02:10:45 6248004 7524316 295580 3.63 30952 1450644 718756 7.83 464620 1200512 128 02:20:05 6192032 7525788 285124 3.51 35116 1495576 519632 5.66 459788 1248688 232 02:30:01 6202996 7537252 273604 3.36 35296 1495904 519692 5.66 459848 1249164 284 02:40:35 6202504 7537412 273472 3.36 35456 1496360 519800 5.66 460016 1249684 124 02:50:45 5758076 7332632 465512 5.72 53036 1707580 706208 7.69 652172 1465404 101968 Average: 6150739 7500922 310963 3.82 36729 1511423 583938 6.36 490668 1266075 17165 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.64 0.07 0.21 0.04 0.00 0.00 0.00 0.00 02:10:45 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:45 ens3 0.59 0.19 2.88 0.03 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.25 0.04 0.05 0.02 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 0.32 0.04 0.19 0.01 0.00 0.00 0.00 0.00 02:40:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:35 ens3 0.28 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:50:45 lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 02:50:45 ens3 26.32 15.56 130.69 4.88 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 4.92 2.67 22.48 0.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3168) 04/16/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.16 0.02 0.03 99.49 02:00:01 0 0.31 0.00 0.16 0.03 0.03 99.48 02:00:01 1 0.30 0.00 0.16 0.01 0.03 99.50 02:10:45 all 0.35 0.00 0.12 0.05 0.03 99.46 02:10:45 0 0.16 0.00 0.11 0.02 0.03 99.68 02:10:45 1 0.54 0.00 0.13 0.07 0.02 99.23 02:20:05 all 0.25 0.19 0.14 0.18 0.03 99.21 02:20:05 0 0.29 0.00 0.08 0.01 0.02 99.59 02:20:05 1 0.20 0.37 0.21 0.36 0.03 98.83 02:30:01 all 0.30 0.00 0.15 0.12 0.02 99.41 02:30:01 0 0.30 0.00 0.16 0.07 0.02 99.45 02:30:01 1 0.29 0.00 0.15 0.17 0.02 99.37 02:40:35 all 0.24 0.00 0.07 0.16 0.02 99.51 02:40:35 0 0.42 0.00 0.06 0.04 0.01 99.47 02:40:35 1 0.07 0.00 0.09 0.27 0.02 99.56 02:50:45 all 2.50 0.00 0.39 0.61 0.02 96.48 02:50:45 0 2.84 0.00 0.39 0.94 0.02 95.81 02:50:45 1 2.17 0.00 0.38 0.28 0.02 97.15 Average: all 0.66 0.03 0.17 0.19 0.02 98.93 Average: 0 0.72 0.00 0.16 0.19 0.02 98.91 Average: 1 0.60 0.06 0.18 0.19 0.03 98.94