---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3052 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 755 5187 4 2292 7186 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:94:4b:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80019sec preferred_lft 80019sec inet6 fe80::f816:3eff:fe94:4bf6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3052) 09/08/26 _x86_64_ (2 CPU) 01:07:17 LINUX RESTART (2 CPU) 01:10:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:26 1.45 0.03 1.42 0.00 1.24 17.64 0.21 01:30:01 1.55 0.01 1.52 0.03 0.06 18.94 668.39 01:40:26 14.80 0.34 1.73 12.72 44.01 103.85 104841.42 01:50:11 1.36 0.00 1.36 0.00 0.00 16.45 0.00 02:00:01 1.52 0.00 1.51 0.01 0.00 18.34 433.95 02:10:01 1.34 0.00 1.34 0.00 0.00 16.08 0.00 02:20:11 1.42 0.00 1.42 0.00 0.00 16.87 0.00 02:30:01 1.57 0.00 1.56 0.01 0.00 18.80 433.64 02:40:01 1.36 0.00 1.36 0.00 0.00 16.12 0.00 02:50:26 25.11 2.71 20.15 2.25 213.35 3435.09 2563.98 Average: 5.29 0.32 3.41 1.56 26.90 381.85 11316.37 01:10:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:26 6282500 7529976 290356 3.57 30568 1423612 524324 5.71 448116 1183884 188 01:30:01 6283288 7531288 289116 3.56 30776 1423908 524396 5.71 448096 1184392 240 01:40:26 6222296 7510924 308480 3.79 31444 1463364 725588 7.90 466508 1213844 276 01:50:11 6227120 7516216 303180 3.73 31604 1463664 725588 7.90 466780 1214304 148 02:00:01 6246412 7536212 283012 3.48 31796 1464124 725596 7.90 466900 1214828 240 02:10:01 6246204 7536492 282796 3.48 31956 1464444 725660 7.90 466928 1215308 240 02:20:11 6244440 7535236 284040 3.49 32132 1464772 725724 7.90 467220 1215812 164 02:30:01 6246828 7538148 281072 3.46 32308 1465104 725724 7.90 467252 1216320 240 02:40:01 6245064 7536868 282320 3.47 32460 1465432 725728 7.90 467364 1216800 184 02:50:26 5174444 7398308 367672 4.52 89216 2295248 832184 9.06 607612 2058312 240 Average: 6141860 7516967 297204 3.65 37426 1539367 696051 7.58 477278 1293380 216 01:10:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:26 ens3 1.11 0.09 0.14 0.05 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 0.54 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:26 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:40:26 ens3 1.09 0.65 3.25 0.08 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 0.34 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.44 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.17 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.26 0.10 0.04 0.55 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 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.21 0.06 0.05 0.03 0.00 0.00 0.00 0.00 02:50:26 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:50:26 ens3 86.83 66.44 311.51 15.61 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.47 7.03 32.79 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3052) 09/08/26 _x86_64_ (2 CPU) 01:07:17 LINUX RESTART (2 CPU) 01:10:21 CPU %user %nice %system %iowait %steal %idle 01:20:26 all 0.28 0.00 0.11 0.01 0.01 99.59 01:20:26 0 0.49 0.00 0.10 0.01 0.01 99.39 01:20:26 1 0.08 0.00 0.12 0.01 0.02 99.78 01:30:01 all 0.29 0.00 0.19 0.01 0.01 99.50 01:30:01 0 0.26 0.00 0.19 0.01 0.01 99.53 01:30:01 1 0.32 0.00 0.19 0.02 0.01 99.46 01:40:26 all 0.44 0.00 0.16 0.06 0.01 99.34 01:40:26 0 0.40 0.00 0.18 0.08 0.01 99.34 01:40:26 1 0.49 0.00 0.14 0.04 0.00 99.33 01:50:11 all 0.26 0.00 0.08 0.01 0.00 99.64 01:50:11 0 0.45 0.00 0.06 0.00 0.00 99.49 01:50:11 1 0.08 0.00 0.10 0.03 0.00 99.79 02:00:01 all 0.28 0.00 0.16 0.01 0.00 99.55 02:00:01 0 0.49 0.00 0.15 0.00 0.00 99.36 02:00:01 1 0.07 0.00 0.17 0.02 0.01 99.73 02:10:01 all 0.24 0.00 0.10 0.01 0.00 99.64 02:10:01 0 0.43 0.00 0.06 0.00 0.00 99.50 02:10:01 1 0.05 0.00 0.14 0.02 0.00 99.78 02:20:11 all 0.26 0.00 0.07 0.01 0.00 99.65 02:20:11 0 0.46 0.00 0.05 0.00 0.00 99.48 02:20:11 1 0.06 0.00 0.09 0.02 0.00 99.82 02:30:01 all 0.27 0.00 0.16 0.01 0.00 99.55 02:30:01 0 0.47 0.00 0.12 0.00 0.00 99.41 02:30:01 1 0.07 0.00 0.20 0.03 0.00 99.70 02:40:01 all 0.25 0.00 0.09 0.01 0.01 99.65 02:40:01 0 0.45 0.00 0.06 0.00 0.00 99.49 02:40:01 1 0.05 0.00 0.12 0.02 0.01 99.81 02:50:26 all 13.76 0.00 2.39 0.94 0.02 82.89 02:50:26 0 17.06 0.00 2.52 1.35 0.01 79.05 02:50:26 1 10.47 0.00 2.27 0.53 0.02 86.72 Average: all 1.69 0.00 0.36 0.11 0.01 97.83 Average: 0 2.16 0.00 0.36 0.15 0.01 97.33 Average: 1 1.22 0.00 0.36 0.08 0.01 98.34