---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10214 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 760 5282 4 2186 7180 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:43:2c:c2 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 81662sec preferred_lft 81662sec inet6 fe80::f816:3eff:fe43:2cc2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10214) 05/02/26 _x86_64_ (2 CPU) 00:39:52 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 6.27 3.30 2.92 0.06 387.92 162.33 219.06 01:00:03 1.33 0.01 1.30 0.03 0.05 16.71 654.41 01:10:01 14.37 0.26 1.50 12.61 32.28 73.70 109485.17 01:20:04 1.25 0.00 1.25 0.00 0.01 15.10 0.12 01:30:05 1.43 0.00 1.41 0.02 0.00 17.97 869.67 01:40:01 1.19 0.00 1.19 0.00 0.00 14.53 0.00 01:50:05 1.30 0.00 1.30 0.00 0.00 15.64 0.00 Average: 3.87 0.51 1.55 1.81 60.17 45.16 15820.84 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6279276 7525468 294784 3.62 30484 1421592 531824 5.79 441736 1183008 260 01:00:03 6283352 7530116 290116 3.57 30708 1421924 531920 5.79 441924 1183560 244 01:10:01 6255028 7528788 291012 3.58 31064 1448204 531920 5.79 451200 1201104 132 01:20:04 6255088 7529368 290408 3.57 31248 1448532 532164 5.80 451700 1201608 292 01:30:05 6245736 7520556 299192 3.68 31436 1448864 559404 6.09 455112 1202128 256 01:40:01 6251560 7526996 292752 3.60 31596 1449308 559472 6.09 457236 1202612 172 01:50:05 6258140 7534084 285660 3.51 31772 1449632 559472 6.09 459756 1203112 196 Average: 6261169 7527911 291989 3.59 31187 1441151 543739 5.92 451238 1196733 222 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 16.50 6.41 36.36 1.78 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.52 0.08 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.64 0.26 3.17 0.05 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.52 0.13 0.15 0.09 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.34 0.18 0.08 0.50 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.41 0.06 0.11 0.05 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.36 0.13 0.14 0.09 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 2.76 1.04 5.74 0.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10214) 05/02/26 _x86_64_ (2 CPU) 00:39:52 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.68 0.00 0.34 0.08 0.03 98.87 00:50:02 0 0.57 0.00 0.39 0.10 0.03 98.91 00:50:02 1 0.79 0.00 0.29 0.07 0.03 98.82 01:00:03 all 0.25 0.00 0.17 0.01 0.03 99.54 01:00:03 0 0.18 0.00 0.17 0.01 0.04 99.60 01:00:03 1 0.32 0.00 0.17 0.01 0.03 99.48 01:10:01 all 0.32 0.00 0.11 0.05 0.03 99.49 01:10:01 0 0.30 0.00 0.13 0.09 0.03 99.45 01:10:01 1 0.33 0.00 0.09 0.01 0.03 99.54 01:20:04 all 0.26 0.00 0.07 0.01 0.03 99.64 01:20:04 0 0.45 0.00 0.05 0.01 0.02 99.47 01:20:04 1 0.06 0.00 0.08 0.01 0.04 99.80 01:30:05 all 0.26 0.00 0.15 0.01 0.03 99.55 01:30:05 0 0.08 0.00 0.15 0.00 0.04 99.73 01:30:05 1 0.44 0.00 0.14 0.02 0.03 99.37 01:40:01 all 0.21 0.00 0.07 0.01 0.03 99.68 01:40:01 0 0.04 0.00 0.07 0.00 0.03 99.85 01:40:01 1 0.38 0.00 0.06 0.02 0.03 99.51 01:50:05 all 0.18 0.00 0.07 0.01 0.03 99.71 01:50:05 0 0.04 0.00 0.08 0.01 0.04 99.83 01:50:05 1 0.32 0.00 0.06 0.01 0.02 99.59 Average: all 0.31 0.00 0.14 0.03 0.03 99.50 Average: 0 0.24 0.00 0.15 0.03 0.03 99.55 Average: 1 0.38 0.00 0.13 0.02 0.03 99.44