---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9779 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 742 5302 4 2186 7199 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:d8:de:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82210sec preferred_lft 82210sec inet6 fe80::f816:3eff:fed8:de8b/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-9779) 04/30/26 _x86_64_ (2 CPU) 01:48:15 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 1.66 0.02 1.62 0.02 1.24 19.57 435.34 02:10:03 13.97 0.01 1.43 12.53 0.20 16.91 109009.92 02:20:01 1.31 0.00 1.29 0.02 0.01 15.13 1.08 02:30:05 2.00 0.27 1.69 0.04 32.92 75.71 434.51 02:40:05 1.25 0.01 1.23 0.02 1.05 15.36 1.15 02:50:01 1.49 0.26 1.21 0.02 8.86 31.86 1.21 Average: 3.62 0.10 1.41 2.11 7.41 29.14 18339.32 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6279020 7525000 295544 3.63 30572 1421084 534140 5.82 448324 1183080 228 02:10:03 6286360 7532944 287568 3.54 30796 1421448 534212 5.82 452492 1183652 296 02:20:01 6294172 7541300 279224 3.43 31004 1421780 534212 5.82 452516 1184192 124 02:30:05 6236496 7510920 309076 3.80 31400 1448304 728244 7.93 467476 1201784 184 02:40:05 6243640 7519044 300992 3.70 31596 1449076 534384 5.82 462584 1202316 196 02:50:01 6245496 7529268 290608 3.57 31844 1457108 539696 5.88 469784 1209768 136 Average: 6264197 7526413 293835 3.61 31202 1436467 567481 6.18 458863 1194132 194 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 1.19 0.07 0.14 0.03 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.41 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.44 0.23 3.10 0.03 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.34 0.07 0.08 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 3.61 2.26 10.00 1.19 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 1.03 0.45 2.23 0.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9779) 04/30/26 _x86_64_ (2 CPU) 01:48:15 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.27 0.00 0.16 0.01 0.04 99.51 02:00:03 0 0.47 0.00 0.13 0.00 0.03 99.37 02:00:03 1 0.07 0.00 0.19 0.02 0.05 99.66 02:10:03 all 0.29 0.00 0.08 0.03 0.03 99.57 02:10:03 0 0.52 0.00 0.05 0.00 0.02 99.40 02:10:03 1 0.06 0.00 0.11 0.05 0.05 99.74 02:20:01 all 0.25 0.00 0.07 0.03 0.03 99.62 02:20:01 0 0.31 0.00 0.07 0.01 0.03 99.58 02:20:01 1 0.20 0.00 0.07 0.05 0.03 99.65 02:30:05 all 0.40 0.00 0.20 0.02 0.03 99.35 02:30:05 0 0.47 0.00 0.21 0.01 0.02 99.28 02:30:05 1 0.33 0.00 0.20 0.03 0.03 99.41 02:40:05 all 0.26 0.00 0.08 0.01 0.03 99.63 02:40:05 0 0.13 0.00 0.10 0.00 0.03 99.74 02:40:05 1 0.38 0.00 0.06 0.01 0.03 99.52 02:50:01 all 0.35 0.00 0.08 0.01 0.03 99.53 02:50:01 0 0.46 0.00 0.07 0.00 0.03 99.45 02:50:01 1 0.24 0.00 0.10 0.02 0.03 99.61 Average: all 0.30 0.00 0.11 0.02 0.03 99.53 Average: 0 0.39 0.00 0.10 0.01 0.03 99.47 Average: 1 0.21 0.00 0.12 0.03 0.04 99.60