---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3144 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 8.2G 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 777 4949 4 2506 7164 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:63:46:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78872sec preferred_lft 78872sec inet6 fe80::f816:3eff:fe63:4637/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3144) 04/16/26 _x86_64_ (2 CPU) 00:40:59 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:20 2.39 0.34 2.01 0.04 40.97 77.36 634.16 01:10:00 14.45 0.00 1.47 12.98 0.15 16.79 112891.06 01:20:01 1.54 0.00 1.54 0.01 0.01 18.21 217.28 01:30:10 1.65 0.00 1.64 0.01 0.00 19.15 429.41 01:40:00 1.33 0.00 1.33 0.00 0.00 15.53 0.00 01:50:01 22.61 3.01 17.36 2.24 226.05 3236.71 1141.17 02:00:00 1.57 0.00 1.55 0.02 0.00 19.50 0.52 02:10:00 1.37 0.00 1.37 0.00 0.00 16.43 0.00 02:20:01 1.49 0.00 1.48 0.01 0.00 260.24 0.09 02:30:10 1.80 0.00 1.76 0.04 0.00 279.88 0.84 02:40:00 1.33 0.00 1.33 0.00 0.00 15.96 0.00 Average: 4.65 0.31 2.99 1.36 24.47 362.90 10145.16 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:20 6251108 7527348 292388 3.60 30960 1450760 522572 5.69 456892 1200656 280 01:10:00 6250736 7527496 292240 3.59 31120 1451104 522760 5.69 457064 1201132 124 01:20:01 6255832 7533136 286456 3.52 31336 1451464 522784 5.69 457496 1201676 164 01:30:10 6248468 7526332 293276 3.61 31516 1451796 522784 5.69 457564 1202216 188 01:40:00 6248216 7526676 292952 3.60 31684 1452224 524324 5.71 459628 1202680 144 01:50:01 5084352 7195124 576412 7.09 85136 2189964 830308 9.04 792428 1948732 284 02:00:00 5172588 7283904 487628 6.00 85288 2190328 716396 7.80 677844 1949280 124 02:10:00 4997164 7109108 662424 8.15 85424 2190820 901896 9.82 845872 1949908 124 02:20:01 4954616 7157156 613460 7.54 85600 2280444 890192 9.70 835368 2039708 16160 02:30:10 4811932 7078720 690788 8.49 85800 2343620 951316 10.36 896848 2102956 128 02:40:00 4837744 7105072 664428 8.17 85944 2344008 915892 9.98 861488 2103488 124 Average: 5555705 7324552 468405 5.76 60892 1890594 711020 7.74 654408 1645676 1622 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 0.78 0.28 3.03 0.05 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.14 0.06 11.38 0.04 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 0.99 0.07 1.23 0.05 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.63 0.30 0.16 0.68 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 95.55 70.55 710.14 12.85 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 28.33 22.90 401.81 1.53 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 87.83 55.53 1165.17 3.65 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 34.56 32.56 523.51 2.17 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 29.49 28.23 471.79 1.87 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 5.74 5.16 81.53 0.39 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 26.00 19.66 307.05 2.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3144) 04/16/26 _x86_64_ (2 CPU) 00:40:59 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:20 all 0.40 0.00 0.21 0.02 0.02 99.35 01:00:20 0 0.40 0.00 0.20 0.03 0.02 99.35 01:00:20 1 0.40 0.00 0.21 0.02 0.02 99.34 01:10:00 all 0.25 0.00 0.08 0.03 0.02 99.62 01:10:00 0 0.43 0.00 0.06 0.00 0.02 99.49 01:10:00 1 0.07 0.00 0.10 0.06 0.02 99.74 01:20:01 all 0.27 0.00 0.08 0.01 0.02 99.61 01:20:01 0 0.46 0.00 0.05 0.01 0.02 99.45 01:20:01 1 0.08 0.00 0.11 0.01 0.03 99.77 01:30:10 all 0.28 0.00 0.17 0.01 0.02 99.52 01:30:10 0 0.48 0.00 0.16 0.01 0.02 99.33 01:30:10 1 0.08 0.00 0.18 0.01 0.02 99.71 01:40:00 all 0.26 0.00 0.06 0.01 0.02 99.64 01:40:00 0 0.07 0.00 0.07 0.01 0.03 99.82 01:40:00 1 0.45 0.00 0.06 0.01 0.02 99.46 01:50:01 all 11.28 0.00 1.78 0.55 0.05 86.34 01:50:01 0 8.75 0.00 1.72 0.52 0.06 88.95 01:50:01 1 13.80 0.00 1.84 0.58 0.04 83.74 02:00:00 all 0.58 0.00 0.33 0.01 0.05 99.03 02:00:00 0 0.60 0.00 0.38 0.01 0.06 98.96 02:00:00 1 0.56 0.00 0.28 0.01 0.04 99.11 02:10:00 all 0.97 0.00 0.50 0.01 0.05 98.48 02:10:00 0 1.12 0.00 0.59 0.01 0.05 98.23 02:10:00 1 0.81 0.00 0.41 0.01 0.04 98.73 02:20:01 all 0.87 0.00 0.29 0.01 0.05 98.79 02:20:01 0 1.14 0.00 0.44 0.01 0.06 98.35 02:20:01 1 0.60 0.00 0.14 0.01 0.03 99.22 02:30:10 all 0.82 0.00 0.34 0.02 0.04 98.77 02:30:10 0 1.04 0.00 0.39 0.02 0.04 98.52 02:30:10 1 0.61 0.00 0.30 0.01 0.05 99.02 02:40:00 all 0.46 0.00 0.17 0.01 0.04 99.33 02:40:00 0 0.52 0.00 0.08 0.01 0.02 99.37 02:40:00 1 0.39 0.00 0.25 0.01 0.05 99.30 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.50 0.00 0.37 0.06 0.03 98.04 Average: 0 1.37 0.00 0.38 0.06 0.04 98.16 Average: 1 1.63 0.00 0.35 0.07 0.03 97.92