---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25996 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 756 4969 4 2510 7185 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:71:c8:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78960sec preferred_lft 78960sec inet6 fe80::f816:3eff:fe71:c86d/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-25996) 06/09/26 _x86_64_ (2 CPU) 00:41:55 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.50 0.01 1.47 0.01 0.05 17.49 653.91 01:10:00 1.24 0.00 1.24 0.00 0.00 14.25 0.00 01:20:00 13.83 0.01 1.29 12.54 0.16 15.04 109176.07 01:30:00 1.39 0.00 1.38 0.01 0.00 16.87 435.91 01:40:00 1.78 0.26 1.52 0.01 32.03 73.84 0.23 01:50:00 23.85 3.00 18.55 2.30 227.51 3466.43 580.33 02:00:00 1.56 0.00 1.53 0.03 0.00 19.27 1.43 02:10:00 1.32 0.00 1.30 0.02 0.00 16.08 1.20 02:20:00 1.42 0.00 1.40 0.02 0.00 224.28 1.36 02:30:00 1.62 0.00 1.58 0.04 0.00 184.41 1.55 02:40:00 1.35 0.00 1.34 0.02 0.00 16.87 1.20 Average: 4.62 0.30 2.96 1.36 23.61 369.52 10077.56 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6294248 7541796 278988 3.43 30652 1422588 526584 5.74 443320 1183488 176 01:10:00 6294248 7542308 278528 3.42 30796 1422920 526604 5.74 443428 1183992 160 01:20:00 6293996 7542608 278128 3.42 30964 1423296 526776 5.74 452520 1184508 156 01:30:00 6283972 7533060 287624 3.54 31136 1423624 526904 5.74 452292 1184972 188 01:40:00 6239220 7515512 304744 3.75 31472 1450100 526968 5.74 462008 1202612 192 01:50:00 4998292 7200716 566776 6.97 86580 2276036 803304 8.75 766524 2038096 160 02:00:00 5065680 7268704 498696 6.13 86764 2276444 727684 7.93 690848 2038688 200 02:10:00 4939980 7143656 623748 7.67 86936 2276920 871428 9.49 816228 2039340 160 02:20:00 4973680 7240760 526220 6.47 87124 2339768 811516 8.84 757940 2102348 188 02:30:00 4821800 7139720 626308 7.70 87280 2389744 891336 9.71 837836 2152476 152 02:40:00 4701056 7019740 746308 9.18 87444 2390336 891512 9.71 838252 2153104 176 Average: 5536925 7335325 456006 5.61 61559 1917434 693692 7.56 632836 1678511 173 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.68 0.08 0.21 0.03 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 0.33 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.53 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.80 0.48 3.25 0.63 0.00 0.00 0.00 0.00 01:50:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 97.70 71.29 732.47 12.91 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 31.31 29.46 480.44 1.96 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 71.89 68.34 1109.59 4.47 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 34.50 32.66 537.62 2.20 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 26.86 26.09 428.72 1.72 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 13.50 12.07 195.08 0.92 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 25.31 21.88 317.06 2.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25996) 06/09/26 _x86_64_ (2 CPU) 00:41:55 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.31 0.00 0.16 0.01 0.02 99.50 01:00:00 0 0.52 0.00 0.13 0.00 0.02 99.33 01:00:00 1 0.10 0.00 0.19 0.02 0.03 99.67 01:10:00 all 0.26 0.00 0.06 0.01 0.03 99.64 01:10:00 0 0.27 0.00 0.06 0.00 0.03 99.65 01:10:00 1 0.25 0.00 0.07 0.02 0.03 99.63 01:20:00 all 0.32 0.00 0.08 0.04 0.03 99.53 01:20:00 0 0.18 0.00 0.11 0.05 0.04 99.63 01:20:00 1 0.46 0.00 0.06 0.03 0.02 99.43 01:30:00 all 0.22 0.00 0.15 0.01 0.03 99.59 01:30:00 0 0.21 0.00 0.16 0.02 0.03 99.59 01:30:00 1 0.24 0.00 0.15 0.01 0.03 99.59 01:40:00 all 0.40 0.00 0.09 0.02 0.03 99.46 01:40:00 0 0.49 0.00 0.05 0.02 0.02 99.42 01:40:00 1 0.31 0.00 0.14 0.02 0.04 99.49 01:50:00 all 11.84 0.00 1.83 0.56 0.06 85.71 01:50:00 0 15.99 0.00 2.10 0.64 0.07 81.19 01:50:00 1 7.70 0.00 1.56 0.48 0.05 90.23 02:00:00 all 0.60 0.00 0.34 0.01 0.05 99.01 02:00:00 0 0.60 0.00 0.40 0.02 0.06 98.93 02:00:00 1 0.59 0.00 0.28 0.01 0.04 99.08 02:10:00 all 0.91 0.00 0.50 0.01 0.06 98.52 02:10:00 0 1.12 0.00 0.60 0.01 0.07 98.21 02:10:00 1 0.69 0.00 0.41 0.01 0.06 98.83 02:20:00 all 0.87 0.00 0.27 0.06 0.04 98.76 02:20:00 0 0.80 0.00 0.21 0.08 0.04 98.86 02:20:00 1 0.93 0.00 0.34 0.03 0.04 98.66 02:30:00 all 0.78 0.00 0.34 0.01 0.04 98.83 02:30:00 0 0.80 0.00 0.36 0.01 0.04 98.80 02:30:00 1 0.77 0.00 0.31 0.02 0.04 98.87 02:40:00 all 0.54 0.00 0.21 0.02 0.04 99.19 02:40:00 0 0.57 0.00 0.28 0.03 0.05 99.07 02:40:00 1 0.52 0.00 0.15 0.01 0.03 99.30 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.55 0.00 0.37 0.07 0.04 97.98 Average: 0 1.96 0.00 0.41 0.08 0.04 97.52 Average: 1 1.14 0.00 0.33 0.06 0.04 98.44