---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3303 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 8.0G 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 762 5191 4 2280 7178 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:3b:68:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81336sec preferred_lft 81336sec inet6 fe80::f816:3eff:fe3b:68d4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3303) 08/08/26 _x86_64_ (2 CPU) 00:36:45 LINUX RESTART (2 CPU) 00:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.26 0.03 1.23 0.00 1.29 15.58 2.40 01:00:06 1.39 0.01 1.35 0.03 0.05 17.75 230.06 01:10:19 1.20 0.00 1.19 0.02 0.00 15.82 22.58 01:20:01 2.11 0.73 1.35 0.02 96.99 75.70 81.58 01:30:26 1.61 0.00 1.57 0.04 1.01 19.43 221.35 01:40:27 16.42 1.60 13.51 1.31 116.62 2369.94 615.81 01:50:01 10.72 1.27 8.39 1.05 112.00 1156.28 254.01 02:00:29 4.53 0.04 3.31 1.18 1.34 153.39 2046.03 Average: 4.87 0.45 3.96 0.46 40.20 472.67 445.43 00:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6295332 7541560 279548 3.44 30944 1421044 532256 5.80 446644 1183736 276 01:00:06 6289836 7536632 284460 3.50 31172 1421372 532272 5.80 446820 1184292 228 01:10:19 6289360 7536712 284408 3.50 31388 1421704 532504 5.80 446996 1184840 128 01:20:01 6233228 7509868 310616 3.82 31860 1450132 726300 7.91 464060 1203424 284 01:30:26 6245988 7523648 296824 3.65 32076 1450904 532632 5.80 458416 1203972 124 01:40:27 5462736 7406100 374072 4.60 73488 2040684 631964 6.88 586048 1817832 14916 01:50:01 5156080 7367884 398904 4.91 87856 2283440 655352 7.14 614564 2046784 160 02:00:29 5376520 7402772 373312 4.59 89636 2104476 598400 6.52 582112 1869440 25104 Average: 5918635 7478147 325268 4.00 51052 1699220 592710 6.46 505708 1461790 5152 00:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.20 0.13 0.16 0.06 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.35 0.05 0.06 0.01 0.00 0.00 0.00 0.00 01:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:19 ens3 0.35 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.21 0.77 3.51 0.65 0.00 0.00 0.00 0.00 01:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:26 ens3 0.41 0.11 0.11 0.06 0.00 0.00 0.00 0.00 01:40:27 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 01:40:27 ens3 38.99 25.36 278.23 6.33 0.00 0.00 0.00 0.00 01:50:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:01 ens3 37.43 27.22 66.76 6.16 0.00 0.00 0.00 0.00 02:00:29 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:00:29 ens3 17.03 14.24 99.84 4.16 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.01 8.42 56.33 2.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3303) 08/08/26 _x86_64_ (2 CPU) 00:36:45 LINUX RESTART (2 CPU) 00:40:23 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.28 0.00 0.08 0.07 0.03 99.54 00:50:01 0 0.46 0.00 0.07 0.01 0.02 99.44 00:50:01 1 0.09 0.00 0.09 0.14 0.05 99.63 01:00:06 all 0.27 0.00 0.16 0.01 0.03 99.52 01:00:06 0 0.19 0.00 0.16 0.00 0.03 99.62 01:00:06 1 0.35 0.00 0.17 0.02 0.03 99.43 01:10:19 all 0.24 0.00 0.07 0.01 0.04 99.64 01:10:19 0 0.43 0.00 0.06 0.00 0.03 99.48 01:10:19 1 0.05 0.00 0.08 0.03 0.04 99.80 01:20:01 all 0.37 0.00 0.12 0.03 0.04 99.44 01:20:01 0 0.50 0.00 0.12 0.06 0.03 99.29 01:20:01 1 0.25 0.00 0.11 0.01 0.04 99.59 01:30:26 all 0.27 0.00 0.15 0.01 0.03 99.55 01:30:26 0 0.10 0.00 0.17 0.02 0.04 99.68 01:30:26 1 0.43 0.00 0.12 0.01 0.02 99.41 01:40:27 all 7.44 0.00 1.03 0.38 0.04 91.10 01:40:27 0 10.07 0.00 1.15 0.40 0.03 88.34 01:40:27 1 4.81 0.00 0.91 0.36 0.05 93.86 01:50:01 all 5.20 0.00 0.93 0.15 0.07 93.65 01:50:01 0 5.16 0.00 0.92 0.08 0.08 93.76 01:50:01 1 5.23 0.00 0.95 0.22 0.06 93.54 02:00:29 all 3.18 0.00 0.54 0.06 0.07 96.15 02:00:29 0 3.55 0.00 0.49 0.09 0.07 95.81 02:00:29 1 2.81 0.00 0.59 0.03 0.08 96.49 Average: all 2.14 0.00 0.38 0.09 0.04 97.34 Average: 0 2.55 0.00 0.39 0.08 0.04 96.94 Average: 1 1.74 0.00 0.38 0.10 0.05 97.74