---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-727 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 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 768 5184 4 2282 7173 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:0c:68:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82982sec preferred_lft 82982sec inet6 fe80::f816:3eff:fe0c:68aa/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-727) 09/06/26 _x86_64_ (2 CPU) 00:42:33 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 1.36 0.01 1.33 0.02 0.05 17.44 0.57 01:10:01 26.40 3.22 20.90 2.28 271.41 3557.18 683.14 01:20:01 1.15 0.00 1.15 0.01 0.01 14.69 1.65 01:30:19 1.49 0.00 1.47 0.02 0.00 18.88 0.23 Average: 7.47 0.79 6.11 0.57 66.46 883.68 167.85 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6302800 7550056 270496 3.33 30624 1423300 531988 5.79 444796 1184044 244 01:10:01 5187148 7403876 362540 4.46 87768 2289616 828260 9.02 600968 2051924 124 01:20:01 5186328 7403560 362828 4.46 87916 2289968 828468 9.02 601120 2052424 284 01:30:19 5169976 7387852 378404 4.65 88072 2290452 828468 9.02 601288 2052936 132 Average: 5461563 7436336 343567 4.22 73595 2073334 754296 8.22 562043 1835332 196 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.59 0.08 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 01:10:01 ens3 71.36 55.01 325.42 12.24 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 2.65 0.38 0.46 0.18 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.80 0.22 0.12 0.06 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 18.48 13.64 79.83 3.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-727) 09/06/26 _x86_64_ (2 CPU) 00:42:33 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.31 0.00 0.18 0.01 0.00 99.49 01:00:09 0 0.33 0.00 0.17 0.02 0.00 99.47 01:00:09 1 0.30 0.00 0.19 0.00 0.00 99.51 01:10:01 all 12.03 0.00 2.13 0.65 0.02 85.17 01:10:01 0 13.91 0.00 2.14 0.95 0.02 82.98 01:10:01 1 10.15 0.00 2.13 0.35 0.02 87.35 01:20:01 all 0.39 0.00 0.14 0.01 0.01 99.45 01:20:01 0 0.49 0.00 0.06 0.00 0.00 99.44 01:20:01 1 0.30 0.00 0.22 0.01 0.02 99.46 01:30:19 all 0.40 0.00 0.21 0.01 0.01 99.37 01:30:19 0 0.52 0.00 0.13 0.00 0.00 99.34 01:30:19 1 0.29 0.00 0.29 0.01 0.01 99.39 Average: all 3.23 0.00 0.66 0.17 0.01 95.94 Average: 0 3.74 0.00 0.62 0.24 0.01 95.40 Average: 1 2.71 0.00 0.70 0.09 0.01 96.49