---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28795 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 739 5227 4 2266 7202 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:dd:ee:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82178sec preferred_lft 82178sec inet6 fe80::f816:3eff:fedd:eed3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28795) 06/20/26 _x86_64_ (2 CPU) 05:08:49 LINUX RESTART (2 CPU) 05:10:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:33 1.38 0.03 1.35 0.00 1.25 16.12 0.12 05:30:01 1.48 0.01 1.45 0.02 0.06 17.85 690.89 05:40:33 1.69 0.24 1.43 0.03 29.42 70.91 1.30 05:50:33 1.21 0.01 1.21 0.00 1.05 14.55 0.05 06:00:01 1.40 0.00 1.38 0.01 0.00 17.09 689.37 06:10:22 14.89 1.28 1.47 12.14 92.92 107.14 105483.08 Average: 3.76 0.27 1.38 2.11 21.64 41.67 18461.46 05:10:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:33 6289376 7536260 284408 3.50 30520 1422068 527672 5.75 444704 1183264 124 05:30:01 6294772 7542196 278380 3.42 30732 1422400 527856 5.75 445368 1183780 160 05:40:33 6250028 7524456 295664 3.64 31128 1448628 725124 7.90 460096 1201668 128 05:50:33 6257364 7532600 287524 3.54 31284 1449264 528008 5.75 454896 1202148 168 06:00:01 6259772 7535528 284576 3.50 31444 1449600 528076 5.75 454692 1202644 288 06:10:22 6043140 7416420 397632 4.89 39268 1534168 594416 6.47 543836 1282480 40368 Average: 6232409 7514577 304697 3.75 32396 1454355 571859 6.23 467265 1209331 6873 05:10:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:33 ens3 1.72 0.10 0.25 0.06 0.00 0.00 0.00 0.00 05:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 0.59 0.07 0.12 0.06 0.00 0.00 0.00 0.00 05:40:33 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:40:33 ens3 0.58 0.24 3.04 0.05 0.00 0.00 0.00 0.00 05:50:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:33 ens3 0.22 0.05 0.04 0.01 0.00 0.00 0.00 0.00 06:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 0.32 0.18 0.07 0.55 0.00 0.00 0.00 0.00 06:10:22 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:10:22 ens3 19.57 10.16 48.06 3.81 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 3.96 1.86 8.93 0.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28795) 06/20/26 _x86_64_ (2 CPU) 05:08:49 LINUX RESTART (2 CPU) 05:10:33 CPU %user %nice %system %iowait %steal %idle 05:20:33 all 0.31 0.00 0.08 0.01 0.03 99.56 05:20:33 0 0.35 0.00 0.08 0.00 0.03 99.53 05:20:33 1 0.27 0.00 0.08 0.03 0.04 99.59 05:30:01 all 0.31 0.00 0.17 0.01 0.03 99.47 05:30:01 0 0.32 0.00 0.17 0.01 0.03 99.47 05:30:01 1 0.30 0.00 0.17 0.01 0.04 99.48 05:40:33 all 0.36 0.00 0.10 0.02 0.03 99.49 05:40:33 0 0.10 0.00 0.10 0.02 0.03 99.75 05:40:33 1 0.62 0.00 0.10 0.03 0.03 99.23 05:50:33 all 0.25 0.00 0.07 0.01 0.03 99.63 05:50:33 0 0.05 0.00 0.08 0.02 0.04 99.81 05:50:33 1 0.44 0.00 0.06 0.01 0.03 99.45 06:00:01 all 0.32 0.00 0.16 0.01 0.03 99.48 06:00:01 0 0.15 0.00 0.16 0.00 0.04 99.65 06:00:01 1 0.50 0.00 0.15 0.02 0.03 99.30 06:10:22 all 1.07 0.00 0.22 0.05 0.03 98.63 06:10:22 0 1.09 0.00 0.17 0.02 0.02 98.69 06:10:22 1 1.05 0.00 0.26 0.08 0.04 98.57 Average: all 0.44 0.00 0.13 0.02 0.03 99.37 Average: 0 0.35 0.00 0.13 0.01 0.03 99.48 Average: 1 0.54 0.00 0.14 0.03 0.03 99.26