---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7787 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 8.1G 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 846 4943 4 2456 7095 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:01:a5:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79603sec preferred_lft 79603sec inet6 fe80::f816:3eff:fe01:a5f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7787) 03/22/26 _x86_64_ (2 CPU) 00:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 1.55 0.02 1.49 0.04 0.83 22.83 0.97 00:20:12 1.58 0.11 1.44 0.03 3.46 22.75 8.80 00:30:11 2.08 0.32 1.72 0.04 40.16 79.27 1.54 00:40:11 14.84 0.00 1.40 13.44 0.15 23.20 106904.52 00:50:09 1.36 0.00 1.36 0.00 0.00 21.75 0.00 01:00:10 1.56 0.00 1.54 0.02 0.00 24.09 0.44 01:10:09 15.60 13.54 2.00 0.06 149.62 48.29 6.17 01:20:01 1.54 0.00 1.53 0.01 0.00 22.90 0.12 01:30:09 1.46 0.00 1.44 0.02 0.00 21.75 0.22 Average: 4.61 1.55 1.55 1.52 21.55 31.85 11868.90 00:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 5272628 7353552 418456 5.15 85124 2160628 636320 6.93 609276 1931060 180 00:20:12 5267560 7350180 421764 5.19 85440 2161956 636700 6.93 610208 1932488 172 00:30:11 5228708 7340924 430680 5.30 85752 2191092 636696 6.93 621700 1950540 244 00:40:11 5228456 7342968 428676 5.27 85904 2193224 637720 6.95 623380 1952680 252 00:50:09 5249180 7365600 406068 4.99 86056 2194952 637720 6.95 623224 1954584 164 01:00:10 5250000 7368296 403300 4.96 86220 2196712 637784 6.95 623308 1956456 196 01:10:09 5182252 7357404 405372 4.98 89284 2242232 637944 6.95 624024 2004484 152 01:20:01 5178188 7354844 407836 5.01 89440 2243564 638008 6.95 624200 2005972 136 01:30:09 5169204 7347364 415288 5.11 89552 2244952 638072 6.95 624248 2007328 212 Average: 5225131 7353459 415271 5.11 86975 2203257 637440 6.94 620396 1966177 190 00:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:10:09 ens3 0.45 0.16 0.07 0.04 0.00 0.00 0.00 0.00 00:20:12 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:12 ens3 0.48 0.15 0.10 0.06 0.00 0.00 0.00 0.00 00:30:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:11 ens3 0.78 0.36 3.14 0.09 0.00 0.00 0.00 0.00 00:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:11 ens3 2.09 0.32 0.48 0.23 0.00 0.00 0.00 0.00 00:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 2.82 0.17 0.37 0.12 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.88 0.20 0.13 0.07 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.82 0.14 1.45 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.93 0.27 1.25 0.11 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.62 0.24 0.13 0.08 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 1.10 0.22 0.79 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7787) 03/22/26 _x86_64_ (2 CPU) 00:00:09 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 0.60 0.00 0.16 0.01 0.05 99.18 00:10:09 0 0.54 0.00 0.16 0.02 0.06 99.23 00:10:09 1 0.65 0.00 0.15 0.01 0.05 99.13 00:20:12 all 0.82 0.00 0.24 0.01 0.06 98.87 00:20:12 0 0.79 0.00 0.22 0.01 0.06 98.93 00:20:12 1 0.84 0.00 0.26 0.02 0.06 98.82 00:30:11 all 0.77 0.00 0.24 0.02 0.06 98.91 00:30:11 0 0.66 0.00 0.24 0.02 0.06 99.03 00:30:11 1 0.88 0.00 0.25 0.02 0.06 98.80 00:40:11 all 0.73 0.00 0.13 0.03 0.06 99.04 00:40:11 0 0.62 0.00 0.10 0.03 0.04 99.20 00:40:11 1 0.84 0.00 0.17 0.03 0.09 98.88 00:50:09 all 0.69 0.00 0.12 0.01 0.06 99.12 00:50:09 0 0.71 0.00 0.11 0.01 0.06 99.12 00:50:09 1 0.67 0.00 0.13 0.01 0.06 99.13 01:00:10 all 0.70 0.00 0.21 0.01 0.06 99.02 01:00:10 0 0.55 0.00 0.17 0.02 0.04 99.22 01:00:10 1 0.86 0.00 0.24 0.00 0.09 98.81 01:10:09 all 0.63 0.17 0.18 0.11 0.07 98.84 01:10:09 0 0.55 0.00 0.09 0.02 0.04 99.30 01:10:09 1 0.71 0.34 0.27 0.21 0.09 98.38 01:20:01 all 0.64 0.00 0.13 0.01 0.07 99.15 01:20:01 0 0.52 0.00 0.13 0.01 0.05 99.29 01:20:01 1 0.76 0.00 0.14 0.01 0.08 99.01 01:30:09 all 0.68 0.00 0.20 0.01 0.06 99.05 01:30:09 0 0.75 0.00 0.23 0.00 0.08 98.94 01:30:09 1 0.61 0.00 0.17 0.03 0.04 99.15 Average: all 0.69 0.02 0.18 0.02 0.06 99.02 Average: 0 0.63 0.00 0.16 0.01 0.05 99.14 Average: 1 0.76 0.04 0.20 0.04 0.07 98.90