---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37126 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: 5600.00 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 777 4993 4 2472 7163 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:4d:0b:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82034sec preferred_lft 82034sec inet6 fe80::f816:3eff:fe4d:b61/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37126) 07/19/26 _x86_64_ (2 CPU) 04:37:48 LINUX RESTART (2 CPU) 04:40:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:20 1.47 0.03 1.44 0.00 2.29 17.32 0.17 05:00:20 1.60 0.01 1.57 0.02 0.05 18.99 436.63 05:10:20 1.35 0.00 1.34 0.02 0.00 15.65 1.20 05:20:20 1.37 0.00 1.35 0.02 0.01 15.80 1.09 05:30:20 1.59 0.00 1.55 0.03 0.00 18.93 654.69 05:40:20 1.94 0.42 1.49 0.02 17.93 49.84 1.31 05:50:20 27.48 2.50 21.44 3.55 213.29 3735.28 1589.80 Average: 5.26 0.42 4.31 0.52 33.37 553.12 383.55 04:40:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:20 6241116 7515148 304684 3.75 30748 1448612 533440 5.81 459300 1200928 180 05:00:20 6255624 7530216 289628 3.56 30968 1448936 533580 5.81 459560 1201480 164 05:10:20 6255624 7530764 289044 3.55 31180 1449264 533572 5.81 459512 1202020 136 05:20:20 6255400 7531068 288728 3.55 31376 1449588 533724 5.81 459600 1202540 148 05:30:20 6260032 7536264 283516 3.49 31596 1449924 533852 5.81 459780 1203092 192 05:40:20 6221740 7513972 305540 3.76 31944 1465376 574676 6.26 501552 1216680 492 05:50:20 5161768 7383692 382212 4.70 90324 2291012 688400 7.50 622936 2055588 31040 Average: 6093043 7505875 306193 3.77 39734 1571816 561606 6.12 488891 1326047 4622 04:40:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:20 ens3 1.17 0.12 0.28 0.06 0.00 0.00 0.00 0.00 05:00:20 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 05:00:20 ens3 0.72 0.13 0.19 0.10 0.00 0.00 0.00 0.00 05:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:20 ens3 0.99 0.04 0.09 0.01 0.00 0.00 0.00 0.00 05:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:20 ens3 0.57 0.07 0.63 0.04 0.00 0.00 0.00 0.00 05:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:20 ens3 0.29 0.04 0.06 0.03 0.00 0.00 0.00 0.00 05:40:20 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 05:40:20 ens3 8.97 5.41 23.73 3.16 0.00 0.00 0.00 0.00 05:50:20 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 05:50:20 ens3 96.47 69.34 312.68 16.69 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 15.60 10.73 48.24 2.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37126) 07/19/26 _x86_64_ (2 CPU) 04:37:48 LINUX RESTART (2 CPU) 04:40:20 CPU %user %nice %system %iowait %steal %idle 04:50:20 all 0.31 0.00 0.10 0.06 0.02 99.50 04:50:20 0 0.41 0.00 0.09 0.06 0.03 99.42 04:50:20 1 0.22 0.00 0.11 0.07 0.02 99.58 05:00:20 all 0.30 0.00 0.17 3.88 0.55 95.09 05:00:20 0 0.33 0.00 0.17 6.18 0.76 92.56 05:00:20 1 0.28 0.00 0.18 1.57 0.35 97.62 05:10:20 all 0.27 0.00 0.09 0.14 0.09 99.41 05:10:20 0 0.27 0.00 0.08 0.24 0.13 99.29 05:10:20 1 0.28 0.00 0.10 0.03 0.05 99.54 05:20:20 all 0.24 0.00 0.09 0.33 0.02 99.32 05:20:20 0 0.26 0.00 0.07 0.15 0.02 99.51 05:20:20 1 0.22 0.00 0.11 0.52 0.02 99.13 05:30:20 all 0.30 0.00 0.17 0.01 0.02 99.50 05:30:20 0 0.27 0.00 0.17 0.01 0.01 99.53 05:30:20 1 0.33 0.00 0.18 0.01 0.02 99.47 05:40:20 all 0.59 0.00 0.13 0.01 0.02 99.26 05:40:20 0 0.44 0.00 0.11 0.01 0.02 99.43 05:40:20 1 0.73 0.00 0.15 0.02 0.02 99.08 05:50:20 all 18.48 0.00 2.47 1.06 0.08 77.92 05:50:20 0 20.37 0.00 2.63 1.05 0.08 75.88 05:50:20 1 16.58 0.00 2.32 1.06 0.08 79.96 Average: all 2.92 0.00 0.46 0.79 0.11 95.72 Average: 0 3.18 0.00 0.47 1.10 0.15 95.09 Average: 1 2.66 0.00 0.45 0.47 0.08 96.35