---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12608 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: 5600.00 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 739 4944 4 2550 7202 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:76:50:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78273sec preferred_lft 78273sec inet6 fe80::f816:3eff:fe76:501a/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-12608) 05/11/26 _x86_64_ (2 CPU) 00:40:11 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 2.06 0.26 1.76 0.04 30.96 69.77 871.37 01:10:03 1.45 0.00 1.42 0.02 1.05 23.08 1.27 01:20:03 1.38 0.00 1.38 0.00 0.01 15.94 0.12 01:30:03 1.55 0.00 1.53 0.02 0.00 18.53 0.33 01:40:03 1.45 0.00 1.44 0.00 0.00 17.46 0.08 01:50:04 14.43 0.42 1.46 12.55 16.20 48.27 109095.86 02:00:04 22.22 2.62 17.38 2.22 211.95 3106.19 622.32 02:10:04 1.24 0.00 1.24 0.00 0.00 15.47 0.00 02:20:03 1.27 0.00 1.27 0.00 0.00 15.82 0.00 02:30:04 1.78 0.00 1.72 0.05 0.00 388.61 1.68 02:40:04 1.41 0.00 1.38 0.03 0.00 207.71 1.00 02:50:05 1.42 0.00 1.40 0.02 0.00 18.10 0.84 Average: 4.30 0.27 2.78 1.25 21.68 328.74 9213.95 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6240036 7517804 302432 3.72 30964 1452080 721836 7.86 451212 1204632 2192 01:10:03 6246600 7525228 295028 3.63 31180 1452716 527592 5.75 446104 1205172 168 01:20:03 6246096 7525236 294980 3.63 31356 1453044 527592 5.75 448248 1205676 180 01:30:03 6245124 7524792 295380 3.63 31524 1453372 528424 5.76 448460 1206172 180 01:40:03 6259740 7540064 280080 3.44 31720 1453836 527928 5.75 447592 1206696 280 01:50:04 6220300 7515972 303844 3.74 32016 1468640 566884 6.17 493624 1220260 288 02:00:04 5071756 7194208 577432 7.10 85112 2201220 814296 8.87 769956 1961896 184 02:10:04 5160952 7283928 487708 6.00 85228 2201632 736036 8.02 690828 1962424 244 02:20:03 5159064 7282704 488920 6.01 85364 2202168 714816 7.79 653444 1963088 392 02:30:04 4913940 7166984 603128 7.42 85592 2330040 893180 9.73 832248 2091068 17148 02:40:04 4779824 7074392 695008 8.55 85752 2370832 961660 10.47 900940 2132020 204 02:50:05 4637700 6932912 836508 10.29 85936 2371292 969036 10.55 908156 2132656 264 Average: 5598428 7340352 455037 5.60 58479 1867573 707440 7.71 624234 1624313 1810 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 0.70 0.26 3.15 0.05 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.74 0.06 3.95 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.44 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.51 0.21 0.12 0.65 0.00 0.00 0.00 0.00 01:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 13.71 6.70 24.14 2.77 0.00 0.00 0.00 0.00 02:00:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:04 ens3 80.00 64.04 770.54 9.97 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 30.24 28.34 480.34 1.87 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 73.09 69.69 1189.66 4.57 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 23.69 22.64 396.61 1.51 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 25.63 24.63 426.64 1.65 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 12.76 12.00 196.56 0.84 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.81 19.05 290.87 2.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12608) 05/11/26 _x86_64_ (2 CPU) 00:40:11 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.37 0.00 0.18 0.02 0.03 99.40 01:00:02 0 0.16 0.00 0.18 0.02 0.03 99.61 01:00:02 1 0.57 0.00 0.19 0.03 0.03 99.18 01:10:03 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:03 0 0.08 0.00 0.09 0.00 0.03 99.80 01:10:03 1 0.46 0.00 0.05 0.02 0.03 99.44 01:20:03 all 0.28 0.00 0.07 0.01 0.03 99.62 01:20:03 0 0.07 0.00 0.07 0.02 0.03 99.81 01:20:03 1 0.48 0.00 0.07 0.01 0.03 99.42 01:30:03 all 0.28 0.00 0.17 0.01 0.03 99.51 01:30:03 0 0.16 0.00 0.17 0.00 0.03 99.64 01:30:03 1 0.40 0.00 0.17 0.02 0.03 99.39 01:40:03 all 0.29 0.00 0.08 0.01 0.03 99.60 01:40:03 0 0.17 0.00 0.08 0.01 0.03 99.71 01:40:03 1 0.41 0.00 0.08 0.01 0.03 99.48 01:50:04 all 0.47 0.00 0.12 0.04 0.03 99.34 01:50:04 0 0.28 0.00 0.17 0.05 0.03 99.46 01:50:04 1 0.66 0.00 0.08 0.02 0.03 99.23 02:00:04 all 10.71 0.00 1.85 0.91 0.07 86.46 02:00:04 0 7.02 0.00 1.61 1.10 0.08 90.20 02:00:04 1 14.41 0.00 2.09 0.73 0.06 82.72 02:10:04 all 0.60 0.00 0.25 0.01 0.06 99.08 02:10:04 0 0.51 0.00 0.07 0.01 0.04 99.38 02:10:04 1 0.70 0.00 0.43 0.01 0.09 98.77 02:20:03 all 1.03 0.00 0.56 0.06 0.06 98.28 02:20:03 0 0.97 0.00 0.43 0.05 0.05 98.50 02:20:03 1 1.10 0.00 0.70 0.08 0.07 98.06 02:30:04 all 0.78 0.00 0.31 0.02 0.06 98.83 02:30:04 0 0.97 0.00 0.39 0.02 0.07 98.55 02:30:04 1 0.60 0.00 0.23 0.01 0.04 99.11 02:40:04 all 0.73 0.00 0.23 0.01 0.05 98.98 02:40:04 0 0.71 0.00 0.19 0.02 0.05 99.04 02:40:04 1 0.75 0.00 0.26 0.01 0.06 98.92 02:40:04 CPU %user %nice %system %iowait %steal %idle 02:50:05 all 0.51 0.00 0.20 0.01 0.05 99.23 02:50:05 0 0.50 0.00 0.10 0.01 0.04 99.35 02:50:05 1 0.51 0.00 0.30 0.01 0.06 99.12 Average: all 1.36 0.00 0.34 0.09 0.04 98.16 Average: 0 0.96 0.00 0.29 0.11 0.04 98.59 Average: 1 1.75 0.00 0.39 0.08 0.04 97.74