---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66554 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 8.1G 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 800 5043 4 2394 7141 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:c7:68:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79510sec preferred_lft 79510sec inet6 fe80::f816:3eff:fec7:68d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66554) 04/05/26 _x86_64_ (2 CPU) 00:21:13 LINUX RESTART (2 CPU) 00:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:04 1.29 0.01 1.28 0.01 0.05 19.76 0.73 00:50:01 1.16 0.00 1.16 0.00 0.00 17.63 0.00 01:00:05 2.14 0.32 1.79 0.03 39.86 79.82 0.53 01:10:06 14.74 0.00 1.33 13.41 0.15 20.45 106540.76 01:20:01 1.25 0.00 1.25 0.00 0.01 20.93 0.01 01:30:07 1.72 0.00 1.70 0.02 0.00 28.52 0.37 01:40:08 1.28 0.00 1.28 0.00 0.00 20.80 0.01 01:50:01 1.25 0.00 1.25 0.00 0.00 18.98 0.00 02:00:07 1.53 0.00 1.52 0.01 0.00 23.24 0.29 02:10:06 1.24 0.00 1.24 0.00 0.00 19.34 0.00 Average: 2.76 0.03 1.38 1.35 4.03 26.99 10674.61 00:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:04 5327352 7407444 364544 4.48 84776 2160120 616964 6.72 582336 1929488 276 00:50:01 5324832 7406104 365916 4.50 84920 2161156 618296 6.73 583316 1930668 236 01:00:05 5264560 7375504 396288 4.87 85232 2190360 619604 6.75 595644 1948808 184 01:10:06 5272372 7384800 386920 4.76 85396 2191692 619604 6.75 595876 1950260 228 01:20:01 5270384 7384804 386920 4.76 85544 2193536 620628 6.76 597476 1952124 260 01:30:07 5264052 7380808 390772 4.81 85740 2195668 620692 6.76 597332 1954444 160 01:40:08 5263828 7382376 389252 4.79 85896 2197288 620692 6.76 597412 1956236 228 01:50:01 5263576 7383500 388132 4.77 86028 2198536 620692 6.76 597448 1957616 160 02:00:07 5259796 7381264 390372 4.80 86184 2199928 620816 6.76 597680 1959156 344 02:10:06 5274972 7398040 373608 4.59 86340 2201360 620816 6.76 597824 1960628 304 Average: 5278572 7388464 383272 4.71 85606 2188964 619880 6.75 594234 1949943 238 00:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:04 ens3 1.97 0.29 0.37 0.15 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.98 0.16 0.31 0.10 0.00 0.00 0.00 0.00 01:00:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 1.06 0.32 3.11 0.06 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.69 0.16 0.12 0.06 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 0.56 0.20 0.14 0.09 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.56 0.10 0.11 0.05 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.51 0.17 0.13 0.08 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.50 0.09 0.12 0.05 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 2.66 0.41 0.61 0.28 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 1.86 0.24 0.21 0.07 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.24 0.21 0.53 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66554) 04/05/26 _x86_64_ (2 CPU) 00:21:13 LINUX RESTART (2 CPU) 00:30:03 CPU %user %nice %system %iowait %steal %idle 00:40:04 all 0.65 0.00 0.13 0.01 0.05 99.16 00:40:04 0 0.74 0.00 0.17 0.01 0.07 99.01 00:40:04 1 0.56 0.00 0.08 0.01 0.04 99.31 00:50:01 all 0.55 0.00 0.12 0.01 0.06 99.27 00:50:01 0 0.58 0.00 0.12 0.01 0.06 99.24 00:50:01 1 0.52 0.00 0.11 0.01 0.06 99.30 01:00:05 all 0.75 0.00 0.24 0.02 0.06 98.92 01:00:05 0 0.72 0.00 0.21 0.03 0.04 99.00 01:00:05 1 0.78 0.00 0.27 0.02 0.08 98.85 01:10:06 all 0.61 0.00 0.13 0.03 0.06 99.16 01:10:06 0 0.67 0.00 0.17 0.05 0.07 99.04 01:10:06 1 0.55 0.00 0.10 0.01 0.06 99.29 01:20:01 all 0.68 0.00 0.12 0.01 0.07 99.13 01:20:01 0 0.62 0.00 0.11 0.01 0.06 99.19 01:20:01 1 0.74 0.00 0.12 0.01 0.08 99.06 01:30:07 all 0.72 0.00 0.22 0.03 0.07 98.97 01:30:07 0 0.69 0.00 0.23 0.01 0.08 98.99 01:30:07 1 0.75 0.00 0.21 0.04 0.05 98.94 01:40:08 all 0.63 0.00 0.12 0.07 0.06 99.12 01:40:08 0 0.50 0.00 0.10 0.12 0.04 99.23 01:40:08 1 0.75 0.00 0.14 0.02 0.08 99.01 01:50:01 all 0.61 0.00 0.12 0.07 0.07 99.14 01:50:01 0 0.66 0.00 0.15 0.02 0.08 99.09 01:50:01 1 0.55 0.00 0.10 0.11 0.05 99.19 02:00:07 all 0.65 0.00 0.22 0.06 0.07 99.01 02:00:07 0 0.71 0.00 0.24 0.03 0.08 98.93 02:00:07 1 0.58 0.00 0.19 0.09 0.05 99.09 02:10:06 all 0.62 0.00 0.13 0.04 0.06 99.15 02:10:06 0 0.61 0.00 0.17 0.03 0.08 99.12 02:10:06 1 0.63 0.00 0.09 0.05 0.05 99.19 Average: all 0.65 0.00 0.15 0.03 0.06 99.10 Average: 0 0.65 0.00 0.17 0.03 0.07 99.08 Average: 1 0.64 0.00 0.14 0.04 0.06 99.12