---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32221 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 8.0G 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 778 5174 4 2281 7163 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:04:df:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81024sec preferred_lft 81024sec inet6 fe80::f816:3eff:fe04:df8a/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-32221) 07/02/26 _x86_64_ (2 CPU) 00:40:13 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.53 0.01 1.50 0.02 0.05 18.23 665.10 01:10:01 1.32 0.00 1.31 0.02 0.00 15.41 1.09 01:20:01 1.85 0.26 1.56 0.03 32.04 75.41 1.32 01:30:00 1.54 0.00 1.51 0.03 0.00 18.17 438.16 01:40:11 13.73 0.00 1.40 12.33 0.14 16.28 107027.17 01:50:11 1.38 0.00 1.37 0.01 0.00 15.80 0.36 02:00:01 25.08 3.05 19.65 2.38 231.38 3630.84 943.12 Average: 6.62 0.47 4.01 2.15 37.20 534.03 15915.60 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6281132 7529124 291304 3.58 30744 1423124 526804 5.74 447780 1183620 240 01:10:01 6280460 7528992 291416 3.58 30952 1423460 526804 5.74 447964 1184156 268 01:20:01 6253148 7529116 290804 3.58 31320 1450156 526948 5.74 457324 1202152 236 01:30:00 6248132 7524656 295284 3.63 31524 1450484 527080 5.74 457728 1202684 148 01:40:11 6248132 7525368 294520 3.62 31732 1450992 527080 5.74 458036 1203236 160 01:50:11 6248132 7525876 294012 3.62 31908 1451308 527080 5.74 458164 1203736 132 02:00:01 5191940 7396236 370588 4.56 87152 2277508 629276 6.85 602284 2039620 204 Average: 6107297 7508481 303990 3.74 39333 1561005 541582 5.90 475611 1317029 198 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.61 0.06 0.09 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 0.75 0.05 13.10 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.03 0.28 4.09 0.07 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.38 0.15 0.08 0.51 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.49 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 0.35 0.08 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 112.83 75.58 330.61 17.10 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.40 10.74 49.06 2.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32221) 07/02/26 _x86_64_ (2 CPU) 00:40:13 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.32 0.00 0.17 0.09 0.02 99.40 01:00:02 0 0.51 0.00 0.15 0.16 0.02 99.16 01:00:02 1 0.13 0.00 0.19 0.01 0.02 99.64 01:10:01 all 0.27 0.00 0.08 0.12 0.02 99.51 01:10:01 0 0.35 0.00 0.08 0.20 0.02 99.35 01:10:01 1 0.20 0.00 0.08 0.04 0.02 99.66 01:20:01 all 0.42 0.00 0.10 0.15 0.02 99.31 01:20:01 0 0.50 0.00 0.07 0.06 0.02 99.37 01:20:01 1 0.34 0.00 0.14 0.25 0.02 99.25 01:30:00 all 0.28 0.00 0.15 0.21 0.02 99.35 01:30:00 0 0.46 0.00 0.13 0.21 0.01 99.20 01:30:00 1 0.10 0.00 0.18 0.20 0.02 99.50 01:40:11 all 0.25 0.00 0.08 0.08 0.02 99.57 01:40:11 0 0.44 0.00 0.05 0.08 0.01 99.41 01:40:11 1 0.06 0.00 0.11 0.08 0.02 99.72 01:50:11 all 0.26 0.00 0.06 0.12 0.02 99.54 01:50:11 0 0.46 0.00 0.04 0.12 0.01 99.37 01:50:11 1 0.06 0.00 0.09 0.12 0.02 99.71 02:00:01 all 14.64 0.00 2.18 1.15 0.06 81.98 02:00:01 0 17.63 0.00 2.15 0.84 0.05 79.33 02:00:01 1 11.64 0.00 2.22 1.45 0.06 84.63 Average: all 2.31 0.00 0.40 0.27 0.02 96.99 Average: 0 2.87 0.00 0.37 0.24 0.02 96.50 Average: 1 1.76 0.00 0.43 0.30 0.03 97.48