---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29674 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 751 5290 4 2189 7190 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:86:48:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82514sec preferred_lft 82514sec inet6 fe80::f816:3eff:fe86:4831/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29674) 06/23/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:02 1.24 0.03 1.21 0.01 1.26 14.87 0.49 02:20:43 1.25 0.01 1.22 0.02 0.06 15.28 1.25 02:30:13 1.49 0.00 1.46 0.03 0.00 18.27 918.47 02:40:01 1.89 0.26 1.60 0.03 32.70 76.79 1.23 02:50:43 13.16 0.00 1.43 11.73 0.14 17.21 101920.25 03:00:13 2.11 0.42 1.66 0.03 16.62 53.51 917.82 Average: 3.65 0.12 1.42 2.11 8.21 32.12 18474.02 02:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:02 6292392 7543764 276568 3.40 30604 1426392 531884 5.79 448404 1187456 256 02:20:43 6292392 7544396 275924 3.39 30868 1426748 531884 5.79 448348 1188076 124 02:30:13 6289444 7541948 278336 3.42 31060 1427072 532088 5.80 448524 1188568 136 02:40:01 6243980 7523808 296024 3.64 31432 1453636 532120 5.80 457712 1206452 240 02:50:43 6250804 7531296 288468 3.55 31668 1454044 532496 5.80 458116 1207068 124 03:00:13 6194828 7494664 324640 3.99 32032 1472780 575796 6.27 500832 1224476 4224 Average: 6260640 7529979 289993 3.57 31277 1443445 539378 5.87 460323 1200349 851 02:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 1.23 0.07 0.14 0.02 0.00 0.00 0.00 0.00 02:20:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:43 ens3 0.41 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.64 0.05 6.31 0.02 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.92 0.50 3.32 0.08 0.00 0.00 0.00 0.00 02:50:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:43 ens3 0.25 0.07 0.07 0.03 0.00 0.00 0.00 0.00 03:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:13 ens3 15.39 7.74 32.45 3.46 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 3.01 1.35 6.72 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29674) 06/23/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:12 CPU %user %nice %system %iowait %steal %idle 02:10:02 all 0.26 0.00 0.08 0.01 0.03 99.63 02:10:02 0 0.10 0.00 0.08 0.01 0.03 99.78 02:10:02 1 0.41 0.00 0.07 0.02 0.03 99.47 02:20:43 all 0.26 0.00 0.07 0.01 0.03 99.63 02:20:43 0 0.06 0.00 0.09 0.01 0.04 99.80 02:20:43 1 0.46 0.00 0.05 0.01 0.02 99.46 02:30:13 all 0.27 0.00 0.17 0.02 0.03 99.51 02:30:13 0 0.07 0.00 0.18 0.00 0.03 99.72 02:30:13 1 0.47 0.00 0.17 0.04 0.02 99.30 02:40:01 all 0.37 0.00 0.10 0.03 0.03 99.47 02:40:01 0 0.28 0.00 0.14 0.03 0.04 99.51 02:40:01 1 0.47 0.00 0.06 0.02 0.02 99.44 02:50:43 all 0.28 0.00 0.09 0.04 0.02 99.57 02:50:43 0 0.11 0.00 0.09 0.04 0.02 99.74 02:50:43 1 0.46 0.00 0.08 0.04 0.02 99.40 03:00:13 all 0.54 0.00 0.21 0.02 0.02 99.21 03:00:13 0 0.70 0.00 0.22 0.01 0.02 99.04 03:00:13 1 0.37 0.00 0.20 0.02 0.02 99.38 Average: all 0.33 0.00 0.12 0.02 0.03 99.51 Average: 0 0.21 0.00 0.13 0.02 0.03 99.61 Average: 1 0.44 0.00 0.10 0.02 0.02 99.41