---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30628 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 7.9G 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 765 5204 4 2264 7176 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:c9:11:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79317sec preferred_lft 79317sec inet6 fe80::f816:3eff:fec9:11c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30628) 06/26/26 _x86_64_ (2 CPU) 01:49:39 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.19 0.18 1.97 0.03 10.86 103.02 1088.29 02:10:01 1.84 0.26 1.56 0.02 32.07 75.34 0.95 02:20:01 1.23 0.00 1.21 0.02 0.01 14.73 1.20 02:30:01 1.55 0.00 1.52 0.03 0.00 18.36 436.73 02:40:21 1.36 0.00 1.35 0.02 0.00 16.17 1.16 02:50:01 1.19 0.00 1.18 0.02 0.00 14.97 1.26 03:00:01 1.56 0.00 1.53 0.03 0.00 18.74 437.08 03:10:17 14.12 0.39 1.49 12.24 15.52 48.20 106282.49 03:20:01 24.02 2.69 18.96 2.36 218.15 3550.50 1273.66 03:30:01 1.57 0.00 1.53 0.04 0.00 20.42 2.05 03:40:11 1.35 0.00 1.33 0.01 0.00 16.18 1.06 Average: 4.70 0.31 3.01 1.37 24.61 345.18 10193.93 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6290664 7537040 283784 3.49 30548 1421496 532328 5.80 446228 1183184 180 02:10:01 6244472 7518236 302092 3.71 30944 1448140 532352 5.80 455596 1201148 248 02:20:01 6245792 7520080 300212 3.69 31132 1448472 532504 5.80 455516 1201668 292 02:30:01 6264812 7539672 280540 3.45 31348 1448796 532568 5.80 461432 1202208 16 02:40:21 6264560 7539972 280196 3.45 31564 1449124 532568 5.80 455988 1202752 180 02:50:01 6272148 7548228 271932 3.34 31772 1449576 533040 5.81 457172 1203284 136 03:00:01 6277640 7554248 265888 3.27 31976 1449900 533104 5.81 457256 1203804 264 03:10:17 6240068 7531744 288016 3.54 32320 1464540 550480 6.00 481856 1217248 252 03:20:01 5197780 7396000 371352 4.57 87240 2271144 629052 6.85 593292 2034612 240 03:30:01 5183608 7382536 384620 4.73 87468 2271628 630076 6.86 593392 2035196 256 03:40:11 5183608 7383044 384184 4.72 87632 2271976 630076 6.86 593620 2035708 148 Average: 5969559 7495527 310256 3.82 46722 1672254 560741 6.11 495577 1429165 201 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.98 5.58 33.59 1.66 0.00 0.00 0.00 0.00 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.18 0.46 3.22 0.04 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 0.55 0.03 1.78 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 0.35 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 0.40 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.69 0.32 0.22 0.69 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 0.35 0.10 0.11 0.06 0.00 0.00 0.00 0.00 03:10:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:17 ens3 7.45 4.59 19.30 2.59 0.00 0.00 0.00 0.00 03:20:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:20:01 ens3 56.49 38.60 303.10 8.30 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 1.60 0.27 0.24 0.07 0.00 0.00 0.00 0.00 03:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:11 ens3 0.54 0.23 0.13 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 7.47 4.48 32.16 1.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30628) 06/26/26 _x86_64_ (2 CPU) 01:49:39 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.53 0.00 0.32 0.03 0.03 99.10 02:00:01 0 0.42 0.00 0.31 0.01 0.03 99.23 02:00:01 1 0.63 0.00 0.33 0.04 0.03 98.97 02:10:01 all 0.34 0.00 0.11 0.02 0.02 99.50 02:10:01 0 0.35 0.00 0.14 0.04 0.02 99.45 02:10:01 1 0.32 0.00 0.09 0.01 0.02 99.56 02:20:01 all 0.25 0.00 0.08 0.03 0.02 99.62 02:20:01 0 0.06 0.00 0.08 0.00 0.02 99.84 02:20:01 1 0.45 0.00 0.08 0.05 0.02 99.40 02:30:01 all 0.27 0.00 0.16 0.03 0.02 99.52 02:30:01 0 0.26 0.00 0.17 0.01 0.03 99.54 02:30:01 1 0.28 0.00 0.15 0.05 0.02 99.50 02:40:21 all 0.24 0.00 0.08 0.03 0.02 99.64 02:40:21 0 0.30 0.00 0.07 0.04 0.02 99.57 02:40:21 1 0.18 0.00 0.09 0.01 0.02 99.71 02:50:01 all 0.31 0.00 0.09 0.20 0.02 99.38 02:50:01 0 0.36 0.00 0.08 0.08 0.02 99.46 02:50:01 1 0.25 0.00 0.11 0.33 0.02 99.29 03:00:01 all 0.27 0.00 0.16 0.10 0.02 99.45 03:00:01 0 0.14 0.00 0.16 0.20 0.02 99.48 03:00:01 1 0.40 0.00 0.16 0.00 0.01 99.43 03:10:17 all 0.52 0.00 0.12 0.06 0.02 99.27 03:10:17 0 0.40 0.00 0.10 0.06 0.02 99.43 03:10:17 1 0.65 0.00 0.14 0.07 0.02 99.12 03:20:01 all 13.63 0.00 2.28 0.67 0.07 83.35 03:20:01 0 12.28 0.00 2.25 0.78 0.06 84.63 03:20:01 1 14.98 0.00 2.31 0.57 0.07 82.08 03:30:01 all 0.47 0.00 0.24 0.05 0.05 99.18 03:30:01 0 0.48 0.00 0.25 0.01 0.05 99.21 03:30:01 1 0.47 0.00 0.24 0.09 0.05 99.15 03:40:11 all 0.43 0.00 0.14 0.02 0.05 99.36 03:40:11 0 0.44 0.00 0.12 0.03 0.04 99.37 03:40:11 1 0.42 0.00 0.16 0.01 0.05 99.36 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.53 0.00 0.34 0.11 0.03 98.00 Average: 0 1.37 0.00 0.33 0.11 0.03 98.16 Average: 1 1.68 0.00 0.34 0.11 0.03 97.83