---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10978 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 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 790 5260 4 2179 7151 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:b2:0c:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80427sec preferred_lft 80427sec inet6 fe80::f816:3eff:feb2:c18/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10978) 05/05/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.52 0.02 1.48 0.02 1.22 18.03 645.91 02:10:09 13.92 0.01 1.36 12.55 0.20 15.96 109178.84 02:20:04 1.21 0.00 1.19 0.02 0.01 14.22 1.21 02:30:04 1.40 0.00 1.37 0.03 0.00 16.88 654.98 02:40:09 1.24 0.00 1.22 0.02 0.00 14.98 1.31 02:50:09 1.74 0.25 1.46 0.03 30.97 72.64 1.25 03:00:09 22.91 3.01 17.67 2.23 228.01 3177.67 536.55 03:10:04 1.21 0.00 1.21 0.00 0.00 14.84 0.00 03:20:09 1.28 0.00 1.28 0.00 0.00 15.55 0.00 Average: 5.15 0.37 3.14 1.65 28.90 372.90 12318.73 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6280488 7526752 293544 3.61 30584 1421564 528372 5.76 436352 1183176 220 02:10:09 6288076 7534916 285276 3.51 30784 1421940 528436 5.76 436456 1183724 128 02:20:04 6290744 7538116 282072 3.47 30988 1422264 528448 5.76 436644 1184252 216 02:30:04 6285968 7533896 286280 3.52 31200 1422592 528480 5.76 436740 1184792 228 02:40:09 6278156 7526628 293540 3.61 31412 1422920 528684 5.76 437028 1185332 176 02:50:09 6248348 7523592 296104 3.64 31768 1448976 731312 7.97 451876 1202852 124 03:00:09 5259228 7376336 394764 4.85 85204 2196052 863944 9.41 618340 1957808 196 03:10:04 5259228 7376792 394320 4.85 85312 2196400 864020 9.41 618320 1958264 256 03:20:09 5258220 7376268 394808 4.85 85444 2196756 864036 9.41 618572 1958752 220 Average: 5938717 7479255 324523 3.99 49188 1683274 662859 7.22 498925 1444328 196 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 0.91 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.38 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.23 0.03 0.04 0.01 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 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.34 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.70 0.38 3.19 0.08 0.00 0.00 0.00 0.00 03:00:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:09 ens3 64.95 43.09 302.91 11.43 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 2.13 0.18 0.25 0.03 0.00 0.00 0.00 0.00 03:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:09 ens3 0.56 0.21 0.08 0.03 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 7.82 4.89 34.04 1.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10978) 05/05/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.29 0.00 0.17 0.01 0.04 99.49 02:00:09 0 0.33 0.00 0.18 0.01 0.04 99.44 02:00:09 1 0.24 0.00 0.17 0.02 0.04 99.53 02:10:09 all 0.24 0.00 0.09 0.03 0.03 99.60 02:10:09 0 0.14 0.00 0.07 0.00 0.04 99.75 02:10:09 1 0.35 0.00 0.11 0.06 0.03 99.45 02:20:04 all 0.24 0.00 0.07 0.03 0.03 99.62 02:20:04 0 0.44 0.00 0.05 0.02 0.02 99.47 02:20:04 1 0.05 0.00 0.09 0.04 0.04 99.77 02:30:04 all 0.28 0.00 0.17 0.04 0.03 99.49 02:30:04 0 0.32 0.00 0.14 0.01 0.03 99.50 02:30:04 1 0.23 0.00 0.20 0.07 0.03 99.47 02:40:09 all 0.29 0.00 0.08 0.02 0.03 99.58 02:40:09 0 0.11 0.00 0.09 0.03 0.03 99.74 02:40:09 1 0.47 0.00 0.06 0.02 0.02 99.43 02:50:09 all 0.40 0.00 0.10 0.03 0.03 99.44 02:50:09 0 0.28 0.00 0.09 0.02 0.03 99.58 02:50:09 1 0.52 0.00 0.11 0.04 0.03 99.30 03:00:09 all 10.99 0.00 1.78 1.00 0.06 86.16 03:00:09 0 14.58 0.00 1.95 1.16 0.06 82.24 03:00:09 1 7.40 0.00 1.61 0.85 0.06 90.09 03:10:04 all 0.41 0.00 0.14 0.09 0.05 99.30 03:10:04 0 0.39 0.00 0.13 0.01 0.05 99.41 03:10:04 1 0.42 0.00 0.16 0.17 0.06 99.20 03:20:09 all 0.44 0.00 0.16 0.01 0.06 99.33 03:20:09 0 0.43 0.00 0.18 0.00 0.07 99.31 03:20:09 1 0.44 0.00 0.14 0.02 0.05 99.34 Average: all 1.50 0.00 0.31 0.14 0.04 98.01 Average: 0 1.89 0.00 0.32 0.14 0.04 97.61 Average: 1 1.12 0.00 0.29 0.14 0.04 98.40