---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10778 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: 5600.00 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 761 5133 4 2344 7180 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:68:89:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 11019sec preferred_lft 11019sec inet6 fe80::f816:3eff:fe68:897e/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-10778) 05/05/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 2.04 0.01 1.97 0.05 0.81 31.87 1253.48 00:20:01 1.88 0.11 1.75 0.03 3.06 23.47 765.98 00:30:01 1.84 0.00 1.82 0.01 0.00 20.12 864.37 00:40:01 22.16 3.02 16.93 2.21 226.39 3181.36 488.61 00:50:01 1.52 0.00 1.52 0.00 0.00 21.53 0.03 01:00:01 1.79 0.00 1.77 0.02 0.00 25.15 0.28 01:10:01 1.55 0.00 1.55 0.00 0.00 132.65 395.96 01:20:01 1.60 0.00 1.59 0.02 0.00 35.21 0.89 01:30:01 1.80 0.00 1.76 0.04 0.00 25.89 1.51 Average: 4.02 0.35 3.41 0.27 25.58 388.58 419.02 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6125716 7517528 291104 3.58 53584 1534212 740872 8.07 472064 1305216 200 00:20:01 6147688 7504324 304264 3.74 53780 1498736 739184 8.05 470776 1269752 244 00:30:01 6145092 7502348 306216 3.77 53932 1499192 739184 8.05 471036 1270232 240 00:40:01 5195100 7389828 371040 4.56 103124 2246744 839436 9.14 610528 2021856 264 00:50:01 5117480 7314252 446708 5.49 103204 2248772 882732 9.61 645504 2023968 536 01:00:01 5143908 7342332 418496 5.15 103316 2250320 869784 9.47 633008 2025628 128 01:10:01 5073252 7306852 453968 5.58 103448 2285308 888656 9.68 649660 2060736 312 01:20:01 5082800 7321940 438816 5.40 103556 2290656 876484 9.55 638188 2066204 128 01:30:01 5061132 7302516 458188 5.63 103684 2292732 893080 9.73 654792 2068280 128 Average: 5454685 7389102 387644 4.77 86848 2016297 829935 9.04 582840 1790208 242 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.22 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.16 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.50 0.15 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 63.83 46.59 303.19 12.21 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 24.52 21.01 251.77 1.72 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 6.69 6.02 33.29 0.74 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 13.25 12.22 156.74 1.20 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 16.71 15.99 141.99 2.14 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 13.50 12.85 140.10 1.15 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 15.49 12.77 114.15 2.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10778) 05/05/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.01 0.10 0.01 0.02 99.60 00:10:01 0 0.32 0.02 0.11 0.01 0.02 99.53 00:10:01 1 0.18 0.00 0.10 0.02 0.02 99.67 00:20:01 all 0.61 0.00 0.21 0.01 0.02 99.15 00:20:01 0 0.82 0.00 0.20 0.01 0.01 98.96 00:20:01 1 0.40 0.00 0.21 0.02 0.02 99.35 00:30:01 all 0.25 0.00 0.16 0.01 0.02 99.56 00:30:01 0 0.44 0.00 0.15 0.01 0.01 99.38 00:30:01 1 0.06 0.00 0.18 0.00 0.03 99.73 00:40:01 all 10.92 0.00 1.67 0.41 0.04 86.97 00:40:01 0 7.73 0.00 1.36 0.22 0.04 90.65 00:40:01 1 14.10 0.00 1.98 0.60 0.04 83.28 00:50:01 all 0.95 0.00 0.26 0.01 0.05 98.74 00:50:01 0 1.14 0.00 0.34 0.01 0.05 98.45 00:50:01 1 0.75 0.00 0.17 0.01 0.04 99.03 01:00:01 all 5.02 0.00 0.52 0.01 0.05 94.40 01:00:01 0 7.16 0.00 0.61 0.01 0.04 92.18 01:00:01 1 2.88 0.00 0.43 0.01 0.05 96.63 01:10:01 all 5.64 0.00 0.58 0.01 0.05 93.71 01:10:01 0 5.24 0.00 0.56 0.00 0.05 94.14 01:10:01 1 6.04 0.00 0.60 0.02 0.06 93.28 01:20:01 all 2.02 0.00 0.32 0.01 0.06 97.59 01:20:01 0 1.31 0.00 0.34 0.01 0.07 98.28 01:20:01 1 2.73 0.00 0.30 0.01 0.05 96.91 01:30:01 all 0.97 0.00 0.32 0.01 0.05 98.65 01:30:01 0 0.89 0.00 0.25 0.01 0.05 98.81 01:30:01 1 1.04 0.00 0.39 0.01 0.06 98.50 Average: all 2.96 0.00 0.46 0.05 0.04 96.49 Average: 0 2.79 0.00 0.44 0.03 0.04 96.71 Average: 1 3.13 0.00 0.49 0.08 0.04 96.27