---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26785 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 756 5027 4 2459 7185 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:50:f0:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82098sec preferred_lft 82098sec inet6 fe80::f816:3eff:fe50:f0d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26785) 06/12/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.66 0.03 1.63 0.01 1.33 19.52 467.26 02:10:42 1.89 0.25 1.62 0.02 30.07 71.74 1.11 02:20:02 1.33 0.00 1.31 0.02 0.01 16.00 1.29 02:30:01 1.57 0.00 1.54 0.03 0.00 18.42 437.29 02:40:32 13.36 0.00 1.41 11.95 0.14 16.62 103817.35 02:50:08 1.88 0.41 1.45 0.02 16.43 50.07 1.25 Average: 3.74 0.12 1.49 2.13 8.29 32.58 18506.19 01:50:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6292420 7538756 282008 3.47 30560 1421648 528412 5.76 443752 1183336 160 02:10:42 6237264 7510752 309580 3.81 30964 1448048 528604 5.76 452956 1201064 124 02:20:02 6237024 7511056 309264 3.80 31176 1448380 528612 5.76 452984 1201604 292 02:30:01 6240508 7515132 305044 3.75 31400 1448712 528664 5.76 453140 1202160 212 02:40:32 6240284 7515632 304460 3.74 31620 1449196 528628 5.76 453472 1202724 244 02:50:08 6218204 7508720 311184 3.83 31976 1463836 548156 5.97 489132 1216192 220 Average: 6244284 7516675 303590 3.73 31283 1446637 531846 5.79 457573 1201180 209 01:50:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.96 0.09 0.23 0.04 0.00 0.00 0.00 0.00 02:10:42 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:42 ens3 0.70 0.24 2.97 0.03 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.27 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:32 ens3 0.37 0.05 0.10 0.05 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 11.79 5.48 21.16 3.31 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 2.33 0.96 4.02 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26785) 06/12/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:42 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.25 0.00 0.19 0.01 0.04 99.51 02:00:01 0 0.42 0.00 0.20 0.02 0.03 99.32 02:00:01 1 0.08 0.00 0.18 0.00 0.04 99.69 02:10:42 all 0.38 0.00 0.10 0.02 0.04 99.47 02:10:42 0 0.40 0.00 0.06 0.02 0.03 99.49 02:10:42 1 0.35 0.00 0.13 0.03 0.04 99.45 02:20:02 all 0.27 0.00 0.07 0.01 0.03 99.62 02:20:02 0 0.51 0.00 0.05 0.01 0.02 99.40 02:20:02 1 0.04 0.00 0.09 0.01 0.03 99.83 02:30:01 all 0.28 0.00 0.16 0.01 0.03 99.53 02:30:01 0 0.29 0.00 0.16 0.01 0.03 99.52 02:30:01 1 0.27 0.00 0.16 0.01 0.03 99.54 02:40:32 all 0.22 0.00 0.08 0.03 0.03 99.64 02:40:32 0 0.07 0.00 0.10 0.05 0.03 99.76 02:40:32 1 0.38 0.00 0.06 0.01 0.03 99.53 02:50:08 all 0.54 0.00 0.10 0.01 0.03 99.32 02:50:08 0 0.41 0.00 0.13 0.01 0.03 99.42 02:50:08 1 0.68 0.00 0.07 0.01 0.03 99.21 Average: all 0.32 0.00 0.11 0.02 0.03 99.51 Average: 0 0.34 0.00 0.11 0.02 0.03 99.49 Average: 1 0.30 0.00 0.12 0.01 0.03 99.54