---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12118 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 767 5268 4 2194 7174 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:f8:2e:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81475sec preferred_lft 81475sec inet6 fe80::f816:3eff:fef8:2ed3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12118) 05/09/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 1.46 0.01 1.43 0.02 0.05 17.10 431.63 01:10:49 1.24 0.00 1.22 0.02 0.00 14.46 1.14 01:20:01 1.27 0.00 1.26 0.02 0.01 15.08 1.30 01:30:09 2.04 0.25 1.75 0.04 31.60 75.68 216.51 01:40:39 1.25 0.00 1.24 0.02 0.00 15.01 1.26 01:50:01 2.60 1.21 1.37 0.01 90.93 99.34 0.46 02:00:49 19.67 1.75 15.83 2.08 132.53 2889.96 552.03 Average: 4.38 0.47 3.58 0.33 36.77 473.40 178.57 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6292012 7539256 281448 3.46 30692 1422260 523996 5.71 444512 1183444 164 01:10:49 6293176 7540984 279732 3.44 30900 1422588 524172 5.71 444764 1184004 144 01:20:01 6293176 7541484 279228 3.43 31096 1422880 524268 5.71 445200 1184496 240 01:30:09 6252992 7528380 291800 3.59 31504 1449176 524264 5.71 454332 1202124 164 01:40:39 6252992 7529064 291088 3.58 31732 1449620 524276 5.71 454644 1202668 132 01:50:01 6082308 7427684 388852 4.78 37372 1510276 618536 6.74 576160 1256956 14292 02:00:49 5265064 7388416 383048 4.71 85232 2202036 649392 7.07 621128 1963028 364 Average: 6104531 7499324 313599 3.86 39790 1554119 555558 6.05 491534 1310960 2214 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.53 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:49 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:49 ens3 0.45 0.04 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.64 0.16 0.20 0.11 0.00 0.00 0.00 0.00 01:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.51 0.22 3.11 0.05 0.00 0.00 0.00 0.00 01:40:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:39 ens3 0.38 0.07 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 23.36 11.63 54.31 5.28 0.00 0.00 0.00 0.00 02:00:49 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 02:00:49 ens3 87.97 61.62 242.81 12.89 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.86 11.01 44.72 2.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12118) 05/09/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.27 0.00 0.15 0.01 0.03 99.54 01:00:19 0 0.47 0.00 0.12 0.01 0.02 99.37 01:00:19 1 0.08 0.00 0.17 0.01 0.03 99.71 01:10:49 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:49 0 0.33 0.00 0.07 0.02 0.02 99.55 01:10:49 1 0.19 0.00 0.07 0.00 0.03 99.71 01:20:01 all 0.29 0.00 0.07 0.01 0.03 99.60 01:20:01 0 0.21 0.00 0.09 0.01 0.03 99.66 01:20:01 1 0.37 0.00 0.05 0.01 0.03 99.55 01:30:09 all 0.39 0.00 0.19 0.05 0.03 99.36 01:30:09 0 0.27 0.00 0.23 0.03 0.03 99.44 01:30:09 1 0.50 0.00 0.14 0.06 0.02 99.27 01:40:39 all 0.24 0.00 0.08 0.01 0.02 99.66 01:40:39 0 0.07 0.00 0.10 0.01 0.02 99.80 01:40:39 1 0.40 0.00 0.06 0.01 0.02 99.51 01:50:01 all 0.88 0.00 0.21 0.03 0.02 98.87 01:50:01 0 1.09 0.00 0.19 0.05 0.02 98.65 01:50:01 1 0.66 0.00 0.22 0.01 0.02 99.08 02:00:49 all 12.72 0.00 1.83 0.47 0.05 84.92 02:00:49 0 14.68 0.00 2.06 0.67 0.05 82.54 02:00:49 1 10.76 0.00 1.61 0.27 0.05 87.31 Average: all 2.26 0.00 0.39 0.09 0.03 97.24 Average: 0 2.57 0.00 0.43 0.12 0.03 96.85 Average: 1 1.94 0.00 0.35 0.06 0.03 97.63