---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31915 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 8.2G 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 768 4921 4 2546 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:93:ed:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82694sec preferred_lft 82694sec inet6 fe80::f816:3eff:fe93:edec/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-31915) 07/01/26 _x86_64_ (2 CPU) 00:35:40 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:24 1.58 0.03 1.54 0.01 1.66 29.64 0.92 01:00:24 2.25 0.26 1.94 0.04 32.08 81.28 36.16 01:10:01 1.43 0.00 1.41 0.03 0.00 114.57 1.58 01:20:13 1.51 0.00 1.46 0.04 0.01 349.04 3.19 01:30:24 1.52 0.00 1.48 0.03 0.00 19.20 2.03 Average: 1.66 0.06 1.57 0.03 6.71 118.63 8.73 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:24 4963676 7133572 634080 7.80 85812 2244692 872108 9.50 815532 2016124 124 01:00:24 4909872 7107076 660176 8.12 86136 2271564 916200 9.98 850444 2034244 124 01:10:01 5041316 7275556 491196 6.04 86368 2308144 837588 9.12 723068 2070992 8420 01:20:13 4754568 7084036 681336 8.38 86568 2401788 918572 10.01 854200 2164900 140 01:30:24 4816288 7146376 618988 7.61 86752 2402216 881648 9.60 817264 2165508 228 Average: 4897144 7149323 617155 7.59 86327 2325681 885223 9.64 812102 2090354 1807 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:24 ens3 35.76 32.67 565.46 2.38 0.00 0.00 0.00 0.00 01:00:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:24 ens3 76.90 60.85 1267.55 4.02 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 25.64 23.39 405.67 1.60 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 32.61 31.14 545.24 2.11 0.00 0.00 0.00 0.00 01:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 6.07 4.54 74.97 0.35 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 35.35 30.49 571.03 2.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31915) 07/01/26 _x86_64_ (2 CPU) 00:35:40 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:24 all 0.79 0.00 0.28 0.01 0.07 98.85 00:50:24 0 0.75 0.00 0.31 0.01 0.09 98.85 00:50:24 1 0.83 0.00 0.24 0.01 0.06 98.86 01:00:24 all 1.15 0.00 0.64 0.02 0.08 98.11 01:00:24 0 1.54 0.00 0.94 0.03 0.09 97.40 01:00:24 1 0.77 0.00 0.34 0.02 0.06 98.81 01:10:01 all 0.71 0.00 0.26 0.02 0.07 98.94 01:10:01 0 0.78 0.00 0.41 0.01 0.09 98.71 01:10:01 1 0.63 0.00 0.12 0.03 0.05 99.18 01:20:13 all 0.86 0.00 0.26 0.02 0.06 98.80 01:20:13 0 0.78 0.00 0.19 0.02 0.05 98.97 01:20:13 1 0.94 0.00 0.34 0.02 0.07 98.63 01:30:24 all 0.51 0.00 0.27 0.01 0.05 99.17 01:30:24 0 0.52 0.00 0.34 0.00 0.07 99.07 01:30:24 1 0.49 0.00 0.20 0.01 0.04 99.26 Average: all 0.80 0.00 0.34 0.01 0.07 98.78 Average: 0 0.87 0.00 0.43 0.01 0.08 98.61 Average: 1 0.73 0.00 0.25 0.02 0.05 98.95