---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12823 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 7.8G 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 769 5355 4 2103 7172 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:ad:44:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80924sec preferred_lft 80924sec inet6 fe80::f816:3eff:fead:44aa/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-12823) 05/12/26 _x86_64_ (2 CPU) 00:45:09 LINUX RESTART (2 CPU) 00:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.89 0.30 1.57 0.02 33.61 77.18 454.05 01:10:15 1.40 0.00 1.38 0.02 0.00 15.96 1.17 01:20:25 1.40 0.00 1.39 0.02 0.01 15.83 1.08 01:30:01 1.53 0.00 1.50 0.03 0.00 18.04 681.77 01:40:15 1.47 0.00 1.46 0.02 0.00 16.98 1.17 01:50:00 1.41 0.00 1.39 0.02 0.00 16.29 1.12 02:00:00 1.54 0.00 1.51 0.03 0.00 18.65 872.05 02:10:01 1.33 0.00 1.31 0.02 0.00 15.79 1.20 Average: 1.49 0.04 1.44 0.02 4.06 24.07 247.30 00:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6261752 7534400 285396 3.51 30804 1447356 721544 7.86 460800 1200300 176 01:10:15 6260948 7534176 285612 3.51 31012 1447720 721664 7.86 460940 1200872 172 01:20:25 6260224 7533992 285768 3.51 31212 1448048 721664 7.86 461244 1201400 172 01:30:01 6259272 7533536 286216 3.52 31400 1448348 721892 7.86 461796 1201876 144 01:40:15 6258796 7533656 286100 3.52 31620 1448704 721972 7.86 461860 1202464 172 01:50:00 6258296 7533764 285944 3.52 31804 1449120 721968 7.86 462108 1202936 124 02:00:00 6255804 7531820 287872 3.54 32016 1449444 721968 7.86 462132 1203472 136 02:10:01 6255580 7532124 287560 3.54 32208 1449776 722100 7.87 462468 1203992 136 Average: 6258834 7533434 286308 3.52 31510 1448564 721846 7.86 461668 1202164 154 00:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.06 0.26 3.30 0.05 0.00 0.00 0.00 0.00 01:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 0.57 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.63 0.10 0.69 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.41 0.20 0.08 0.51 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.39 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.23 0.05 0.08 0.04 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.25 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.48 0.10 0.55 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12823) 05/12/26 _x86_64_ (2 CPU) 00:45:09 LINUX RESTART (2 CPU) 00:50:25 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.44 0.00 0.21 0.05 0.04 99.27 01:00:01 0 0.46 0.00 0.19 0.07 0.03 99.25 01:00:01 1 0.42 0.00 0.23 0.03 0.04 99.28 01:10:15 all 0.27 0.00 0.07 0.01 0.04 99.61 01:10:15 0 0.06 0.00 0.08 0.02 0.05 99.79 01:10:15 1 0.47 0.00 0.06 0.00 0.03 99.43 01:20:25 all 0.26 0.00 0.07 0.16 0.03 99.48 01:20:25 0 0.07 0.00 0.09 0.12 0.03 99.69 01:20:25 1 0.45 0.00 0.05 0.20 0.02 99.28 01:30:01 all 0.31 0.00 0.17 0.29 0.02 99.20 01:30:01 0 0.18 0.00 0.19 0.15 0.02 99.47 01:30:01 1 0.45 0.00 0.16 0.44 0.02 98.93 01:40:15 all 0.23 0.00 0.08 0.25 0.02 99.43 01:40:15 0 0.06 0.00 0.10 0.02 0.02 99.80 01:40:15 1 0.41 0.00 0.06 0.47 0.01 99.05 01:50:00 all 0.24 0.00 0.09 0.01 0.02 99.65 01:50:00 0 0.07 0.00 0.10 0.00 0.02 99.81 01:50:00 1 0.40 0.00 0.07 0.02 0.01 99.50 02:00:00 all 0.28 0.00 0.20 0.16 0.02 99.34 02:00:00 0 0.11 0.00 0.20 0.29 0.02 99.38 02:00:00 1 0.46 0.00 0.19 0.03 0.02 99.31 02:10:01 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:01 0 0.07 0.00 0.10 0.01 0.02 99.80 02:10:01 1 0.42 0.00 0.07 0.01 0.01 99.48 Average: all 0.28 0.00 0.12 0.12 0.02 99.46 Average: 0 0.13 0.00 0.13 0.08 0.03 99.63 Average: 1 0.43 0.00 0.11 0.15 0.02 99.28