---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1113 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: 5599.94 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 8.0G 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 753 5206 4 2271 7188 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:7c:d9:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82094sec preferred_lft 82094sec inet6 fe80::f816:3eff:fe7c:d989/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1113) 04/08/26 _x86_64_ (2 CPU) 00:41:40 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.67 0.01 1.64 0.02 0.05 20.12 872.01 01:10:01 1.30 0.00 1.28 0.02 0.00 15.42 1.21 01:20:08 1.97 0.32 1.63 0.02 39.61 73.00 0.61 01:30:08 1.57 0.00 1.55 0.01 0.00 19.33 653.27 01:40:01 14.36 0.26 1.41 12.70 8.93 33.78 110362.01 01:50:08 22.45 2.76 17.50 2.19 218.03 3217.27 595.39 Average: 7.24 0.56 4.20 2.47 44.90 569.19 18543.08 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6280224 7531872 288704 3.55 30772 1426504 532680 5.80 448244 1187592 216 01:10:01 6287140 7539336 281248 3.46 30980 1426832 532704 5.80 448388 1188136 176 01:20:08 6234648 7515896 304096 3.74 31356 1455136 532704 5.80 459900 1205440 168 01:30:08 6235260 7517052 302940 3.73 31552 1455452 532772 5.80 460020 1205952 168 01:40:01 6257580 7547844 272000 3.34 31768 1463628 538472 5.87 467468 1213364 312 01:50:08 5219700 7376384 376556 4.63 85156 2233756 667808 7.27 617608 1991936 428 Average: 6085759 7504731 304257 3.74 40264 1576885 556190 6.06 483605 1332070 245 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.88 0.06 0.10 0.03 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 0.79 0.06 4.41 0.04 0.00 0.00 0.00 0.00 01:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.71 0.22 3.86 0.03 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 7.08 2.54 10.34 1.22 0.00 0.00 0.00 0.00 01:50:08 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:08 ens3 77.83 57.83 314.35 14.56 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 14.71 10.23 56.08 2.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1113) 04/08/26 _x86_64_ (2 CPU) 00:41:40 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.27 0.00 0.17 0.01 0.03 99.53 01:00:08 0 0.44 0.00 0.14 0.01 0.02 99.39 01:00:08 1 0.09 0.00 0.20 0.01 0.03 99.66 01:10:01 all 0.25 0.00 0.07 0.01 0.04 99.63 01:10:01 0 0.47 0.00 0.06 0.01 0.03 99.44 01:10:01 1 0.04 0.00 0.08 0.01 0.04 99.83 01:20:08 all 0.37 0.00 0.10 0.03 0.04 99.47 01:20:08 0 0.45 0.00 0.07 0.02 0.03 99.43 01:20:08 1 0.29 0.00 0.13 0.03 0.05 99.50 01:30:08 all 0.28 0.00 0.17 0.01 0.03 99.51 01:30:08 0 0.38 0.00 0.16 0.02 0.03 99.42 01:30:08 1 0.17 0.00 0.18 0.01 0.04 99.61 01:40:01 all 0.34 0.00 0.09 0.04 0.03 99.50 01:40:01 0 0.23 0.00 0.10 0.04 0.04 99.59 01:40:01 1 0.46 0.00 0.08 0.04 0.03 99.40 01:50:08 all 16.17 0.00 1.79 0.63 0.07 81.33 01:50:08 0 12.63 0.00 1.66 0.78 0.07 84.86 01:50:08 1 19.71 0.00 1.93 0.49 0.07 77.80 Average: all 2.97 0.00 0.40 0.12 0.04 96.46 Average: 0 2.45 0.00 0.37 0.15 0.03 97.00 Average: 1 3.49 0.00 0.44 0.10 0.04 95.93