---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34427 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 8.1G 30G 22% / 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 745 5032 4 2464 7196 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:e1:77:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82042sec preferred_lft 82042sec inet6 fe80::f816:3eff:fee1:7742/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34427) 07/10/26 _x86_64_ (2 CPU) 01:58:06 LINUX RESTART (2 CPU) 02:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.78 0.28 1.48 0.02 32.65 69.09 0.78 02:20:29 1.27 0.01 1.25 0.01 1.07 21.81 0.39 02:30:09 1.49 0.00 1.47 0.02 0.00 18.28 675.94 02:40:01 1.28 0.00 1.28 0.00 0.00 15.10 0.00 02:50:29 1.16 0.00 1.16 0.00 0.00 14.60 0.00 03:00:09 1.38 0.00 1.36 0.02 0.00 17.30 675.96 03:10:01 40.15 2.90 20.63 16.62 228.85 3702.25 108530.08 Average: 6.87 0.45 4.06 2.36 37.13 545.71 15532.03 02:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6235964 7514456 305552 3.76 30800 1452936 733088 7.98 460748 1205060 2204 02:20:29 6257208 7536576 283428 3.49 30988 1453608 533796 5.81 455472 1205608 212 02:30:09 6252224 7532136 287752 3.54 31184 1453928 534004 5.82 455768 1206124 172 02:40:01 6259572 7539948 279972 3.44 31344 1454228 534164 5.82 456032 1206584 152 02:50:29 6265872 7546784 273156 3.36 31508 1454588 534232 5.82 456512 1207108 192 03:00:09 6251336 7532876 287036 3.53 31664 1455048 534448 5.82 456972 1207596 232 03:10:01 5144496 7353528 413728 5.09 88456 2280896 664324 7.24 645324 2044472 26688 Average: 6095239 7508043 304375 3.74 39421 1572176 581151 6.33 483833 1326079 4265 02:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 2.07 0.40 3.36 0.04 0.00 0.00 0.00 0.00 02:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 0.43 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.64 0.05 8.11 0.02 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 0.57 0.09 1.19 0.06 0.00 0.00 0.00 0.00 02:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:29 ens3 0.43 0.10 0.15 0.08 0.00 0.00 0.00 0.00 03:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:09 ens3 0.48 0.26 0.13 0.58 0.00 0.00 0.00 0.00 03:10:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 118.82 80.50 335.99 19.81 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.46 11.51 49.32 2.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34427) 07/10/26 _x86_64_ (2 CPU) 01:58:06 LINUX RESTART (2 CPU) 02:00:09 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.37 0.00 0.11 0.02 0.03 99.47 02:10:01 0 0.39 0.00 0.09 0.03 0.03 99.46 02:10:01 1 0.35 0.00 0.12 0.02 0.03 99.48 02:20:29 all 0.26 0.00 0.07 0.01 0.03 99.62 02:20:29 0 0.45 0.00 0.07 0.02 0.02 99.44 02:20:29 1 0.07 0.00 0.08 0.00 0.03 99.81 02:30:09 all 0.28 0.00 0.17 0.02 0.03 99.51 02:30:09 0 0.12 0.00 0.18 0.02 0.03 99.65 02:30:09 1 0.44 0.00 0.16 0.01 0.02 99.37 02:40:01 all 0.27 0.00 0.07 0.02 0.03 99.61 02:40:01 0 0.16 0.00 0.09 0.01 0.03 99.71 02:40:01 1 0.37 0.00 0.05 0.04 0.03 99.51 02:50:29 all 0.28 0.00 0.07 0.01 0.02 99.62 02:50:29 0 0.50 0.00 0.05 0.00 0.02 99.42 02:50:29 1 0.05 0.00 0.08 0.02 0.03 99.82 03:00:09 all 0.30 0.00 0.16 0.01 0.02 99.51 03:00:09 0 0.50 0.00 0.13 0.01 0.02 99.34 03:00:09 1 0.11 0.00 0.18 0.01 0.03 99.67 03:10:01 all 14.04 0.00 1.99 0.58 0.05 83.34 03:10:01 0 10.82 0.00 1.93 0.53 0.06 86.67 03:10:01 1 17.26 0.00 2.05 0.63 0.05 80.01 Average: all 2.23 0.00 0.37 0.10 0.03 97.27 Average: 0 1.83 0.00 0.36 0.09 0.03 97.69 Average: 1 2.64 0.00 0.39 0.10 0.03 96.85