---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29050 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 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 773 5110 4 2350 7168 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:f5:cf:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79195sec preferred_lft 79195sec inet6 fe80::f816:3eff:fef5:cff1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29050) 06/21/26 _x86_64_ (2 CPU) 00:42:33 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 2.07 0.26 1.78 0.03 32.00 78.39 652.28 01:10:01 1.33 0.00 1.31 0.02 0.00 15.61 1.20 01:20:01 1.35 0.00 1.34 0.02 0.01 15.96 1.20 01:30:02 1.56 0.00 1.52 0.03 0.00 19.14 653.22 01:40:01 14.13 0.00 1.54 12.58 0.15 19.03 109297.08 01:50:01 24.46 3.01 19.16 2.29 228.13 3461.22 653.87 02:00:02 1.49 0.00 1.46 0.02 0.00 25.74 156.82 02:10:01 1.20 0.00 1.20 0.00 0.00 17.34 0.04 02:20:01 1.40 0.00 1.39 0.00 0.00 138.56 382.24 02:30:02 1.60 0.00 1.57 0.03 0.00 33.61 0.88 02:40:01 1.30 0.00 1.29 0.01 0.00 21.62 157.62 Average: 4.71 0.30 3.05 1.37 23.64 349.20 10162.17 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6249888 7528148 292032 3.59 30948 1452560 527264 5.74 450968 1205136 188 01:10:01 6264452 7543240 276964 3.41 31140 1452888 529084 5.76 448728 1205656 124 01:20:01 6263964 7543288 276904 3.40 31344 1453216 529296 5.77 449456 1206188 260 01:30:02 6257620 7537508 282680 3.48 31568 1453544 529720 5.77 450004 1206740 224 01:40:01 6259192 7539856 280128 3.44 31816 1454056 584860 6.37 455780 1207340 276 01:50:01 5181988 7385092 382132 4.70 87100 2276120 666980 7.26 617876 2039132 520 02:00:02 5136416 7341652 425536 5.23 87256 2278104 675524 7.36 617952 2041272 200 02:10:01 5133748 7340112 427076 5.25 87372 2279116 694152 7.56 637456 2042400 168 02:20:01 5060984 7303956 462960 5.69 87516 2315472 787152 8.57 680492 2078896 400 02:30:02 5049836 7297516 469480 5.77 87664 2319976 718856 7.83 661216 2083416 396 02:40:01 5048044 7297812 469172 5.77 87772 2321920 718864 7.83 661424 2085476 312 Average: 5627830 7423471 367733 4.52 61954 1914270 632887 6.89 557396 1672877 279 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.75 0.25 3.20 0.05 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 0.66 0.05 8.05 0.03 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 0.54 0.11 0.13 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.40 0.11 0.08 0.44 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.51 0.11 0.14 0.07 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 82.22 57.08 428.33 12.53 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 16.67 14.86 167.61 1.30 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 3.24 2.58 5.10 0.46 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 15.86 14.70 157.21 1.59 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 17.69 17.03 169.06 1.72 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 13.65 13.21 140.57 1.20 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 13.83 10.91 98.13 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29050) 06/21/26 _x86_64_ (2 CPU) 00:42:33 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.37 0.00 0.19 0.02 0.04 99.38 01:00:02 0 0.37 0.00 0.16 0.01 0.03 99.43 01:00:02 1 0.38 0.00 0.22 0.03 0.04 99.33 01:10:01 all 0.29 0.00 0.06 0.01 0.04 99.60 01:10:01 0 0.17 0.00 0.07 0.00 0.04 99.72 01:10:01 1 0.42 0.00 0.06 0.02 0.03 99.48 01:20:01 all 0.25 0.00 0.06 0.01 0.03 99.64 01:20:01 0 0.40 0.00 0.05 0.01 0.03 99.52 01:20:01 1 0.11 0.00 0.08 0.02 0.04 99.76 01:30:02 all 0.27 0.00 0.15 0.01 0.03 99.53 01:30:02 0 0.15 0.00 0.15 0.01 0.04 99.64 01:30:02 1 0.40 0.00 0.14 0.01 0.02 99.42 01:40:01 all 0.27 0.00 0.08 0.03 0.03 99.58 01:40:01 0 0.07 0.00 0.09 0.01 0.04 99.79 01:40:01 1 0.48 0.00 0.07 0.05 0.02 99.37 01:50:01 all 12.26 0.00 1.78 0.55 0.07 85.34 01:50:01 0 12.16 0.00 1.69 0.34 0.06 85.75 01:50:01 1 12.36 0.00 1.88 0.76 0.08 84.93 02:00:02 all 0.93 0.00 0.30 0.01 0.06 98.69 02:00:02 0 1.04 0.00 0.38 0.00 0.08 98.49 02:00:02 1 0.82 0.00 0.22 0.01 0.05 98.89 02:10:01 all 6.37 0.00 0.56 0.01 0.07 93.00 02:10:01 0 5.51 0.00 0.48 0.01 0.07 93.93 02:10:01 1 7.23 0.00 0.63 0.01 0.07 92.06 02:20:01 all 3.33 0.00 0.37 0.01 0.06 96.22 02:20:01 0 1.77 0.00 0.23 0.01 0.05 97.95 02:20:01 1 4.91 0.00 0.52 0.02 0.07 94.48 02:30:02 all 1.61 0.00 0.38 0.01 0.07 97.93 02:30:02 0 2.08 0.00 0.42 0.00 0.06 97.44 02:30:02 1 1.13 0.00 0.34 0.02 0.08 98.43 02:40:01 all 0.85 0.00 0.21 0.01 0.07 98.86 02:40:01 0 0.50 0.00 0.12 0.01 0.04 99.34 02:40:01 1 1.20 0.00 0.31 0.01 0.10 98.39 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.42 0.00 0.38 0.06 0.05 97.09 Average: 0 2.19 0.00 0.35 0.04 0.05 97.37 Average: 1 2.65 0.00 0.41 0.09 0.06 96.80