---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34428 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 747 5215 4 2271 7194 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:0e:82:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80380sec preferred_lft 80380sec inet6 fe80::f816:3eff:fe0e:828d/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-34428) 07/10/26 _x86_64_ (2 CPU) 01:57:58 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.40 0.02 1.37 0.00 1.24 16.02 0.12 02:20:14 1.38 0.01 1.36 0.01 0.07 16.12 0.94 02:30:01 1.56 0.00 1.53 0.03 0.00 17.96 668.30 02:40:01 1.74 0.26 1.46 0.03 32.07 75.00 1.31 02:50:14 1.25 0.00 1.23 0.02 0.00 15.53 1.29 03:00:01 14.26 0.00 1.40 12.85 0.15 17.41 112147.99 03:10:01 25.80 2.85 20.64 2.32 225.63 3566.35 1033.65 03:20:14 1.46 0.00 1.46 0.00 0.00 17.15 0.00 03:30:01 1.47 0.00 1.45 0.02 0.00 18.53 0.35 Average: 5.56 0.35 3.55 1.67 28.79 417.84 12384.97 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6302360 7548988 271988 3.34 30552 1421744 527192 5.74 442164 1183240 160 02:20:14 6300596 7547788 273160 3.36 30780 1422076 527192 5.74 442424 1183800 180 02:30:01 6290352 7538064 282772 3.48 30980 1422396 527224 5.74 442392 1184296 160 02:40:01 6249212 7524460 295972 3.64 31372 1449160 527404 5.74 451844 1202400 128 02:50:14 6264360 7540196 280264 3.45 31588 1449524 527500 5.75 452288 1202980 132 03:00:01 6266368 7542892 277316 3.41 31788 1450016 527600 5.75 454684 1203488 156 03:10:01 5212548 7418572 348916 4.29 87020 2279148 629732 6.86 588596 2042340 276 03:20:14 5211880 7418408 349068 4.29 87164 2279516 629732 6.86 588604 2042844 180 03:30:01 5198268 7405292 362100 4.45 87312 2279860 629788 6.86 588636 2043344 164 Average: 5921772 7498296 304617 3.75 49840 1717049 561485 6.12 494626 1476526 171 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.94 0.04 0.19 0.01 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.40 0.04 0.04 0.01 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 0.61 0.05 7.88 0.02 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 1.14 0.49 4.36 0.08 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 0.40 0.08 0.12 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.52 0.25 0.16 0.58 0.00 0.00 0.00 0.00 03:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 68.27 48.94 321.24 11.51 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 1.43 0.24 0.18 0.03 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.47 0.24 0.12 0.07 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 8.36 5.60 37.13 1.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34428) 07/10/26 _x86_64_ (2 CPU) 01:57:58 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.26 0.00 0.08 0.03 0.01 99.62 02:10:01 0 0.23 0.00 0.09 0.02 0.01 99.65 02:10:01 1 0.28 0.00 0.08 0.03 0.02 99.60 02:20:14 all 0.25 0.00 0.08 0.01 0.01 99.65 02:20:14 0 0.31 0.00 0.08 0.01 0.01 99.59 02:20:14 1 0.18 0.00 0.08 0.01 0.01 99.71 02:30:01 all 0.25 0.00 0.16 0.01 0.02 99.56 02:30:01 0 0.43 0.00 0.13 0.01 0.01 99.42 02:30:01 1 0.08 0.00 0.19 0.01 0.02 99.70 02:40:01 all 0.39 0.00 0.11 0.04 0.02 99.45 02:40:01 0 0.61 0.00 0.11 0.05 0.01 99.22 02:40:01 1 0.17 0.00 0.11 0.02 0.02 99.69 02:50:14 all 0.22 0.00 0.08 0.02 0.01 99.67 02:50:14 0 0.39 0.00 0.06 0.03 0.01 99.50 02:50:14 1 0.06 0.00 0.09 0.01 0.02 99.83 03:00:01 all 0.29 0.00 0.18 0.04 0.01 99.48 03:00:01 0 0.22 0.00 0.18 0.01 0.01 99.58 03:00:01 1 0.36 0.00 0.19 0.07 0.01 99.37 03:10:01 all 12.25 0.00 1.83 0.70 0.05 85.16 03:10:01 0 13.57 0.00 1.91 0.78 0.05 83.69 03:10:01 1 10.94 0.00 1.75 0.62 0.06 86.64 03:20:14 all 0.40 0.00 0.13 0.01 0.03 99.44 03:20:14 0 0.40 0.00 0.10 0.00 0.02 99.47 03:20:14 1 0.40 0.00 0.15 0.01 0.03 99.40 03:30:01 all 0.41 0.00 0.23 0.01 0.03 99.32 03:30:01 0 0.48 0.00 0.17 0.01 0.02 99.33 03:30:01 1 0.35 0.00 0.30 0.00 0.05 99.31 Average: all 1.63 0.00 0.32 0.09 0.02 97.93 Average: 0 1.85 0.00 0.31 0.10 0.02 97.72 Average: 1 1.42 0.00 0.33 0.09 0.03 98.14