---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12427 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 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 778 5191 4 2261 7163 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:3c:5a:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78912sec preferred_lft 78912sec inet6 fe80::f816:3eff:fe3c:5aa2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12427) 05/10/26 _x86_64_ (2 CPU) 00:35:35 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:15 1.44 0.02 1.42 0.00 1.21 17.08 0.12 01:00:15 1.63 0.01 1.61 0.01 0.05 19.20 653.92 01:10:01 1.81 0.26 1.53 0.02 31.72 74.89 0.63 01:20:08 1.44 0.01 1.42 0.02 1.05 16.79 1.12 01:30:15 1.54 0.00 1.51 0.03 0.00 18.66 647.55 01:40:01 1.62 0.25 1.35 0.01 8.87 32.98 0.98 01:50:15 22.62 2.70 17.71 2.21 214.20 3269.11 1472.27 02:00:15 1.65 0.02 1.61 0.02 0.60 25.31 0.36 02:10:01 1.40 0.00 1.38 0.01 0.00 21.36 0.11 02:20:15 14.76 0.00 1.59 13.16 0.14 139.41 104683.42 02:30:15 1.62 0.00 1.60 0.03 0.00 32.88 0.43 02:40:01 5.84 0.09 4.39 1.37 6.39 384.72 1615.29 Average: 4.84 0.28 3.12 1.43 22.34 343.29 9285.05 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:15 6289604 7535684 284668 3.50 30596 1421384 529832 5.77 445380 1183240 184 01:00:15 6293144 7539768 280588 3.45 30788 1421716 529896 5.77 445560 1183764 180 01:10:01 6249980 7523252 296656 3.65 31144 1447656 724412 7.89 460060 1201304 244 01:20:08 6256048 7530188 289704 3.56 31368 1448292 529988 5.77 455260 1201852 140 01:30:15 6258116 7532964 286888 3.53 31604 1448740 530044 5.77 455588 1202408 132 01:40:01 6261036 7544128 275620 3.39 31836 1456684 535440 5.83 462496 1209752 176 01:50:15 5227228 7345404 426188 5.24 85188 2197168 656892 7.15 617228 1959004 132 02:00:15 5245636 7365872 405584 4.99 85360 2199068 665464 7.25 618056 1960948 192 02:10:01 5241736 7363396 408004 5.02 85504 2200340 685160 7.46 636996 1962372 280 02:20:15 5186796 7345796 425492 5.23 85632 2237440 676664 7.37 627836 1999440 232 02:30:15 5150752 7314472 456784 5.62 85808 2241920 710672 7.74 662228 2004100 672 02:40:01 5345656 7362120 418372 5.14 88332 2100560 636028 6.93 623516 1863612 13980 Average: 5750478 7441920 354546 4.36 58597 1818414 617541 6.73 542517 1577650 1379 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 0.68 0.07 0.13 0.05 0.00 0.00 0.00 0.00 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.47 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.44 0.25 7.70 0.05 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.53 0.09 0.27 0.05 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.47 0.13 0.09 0.50 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 4.00 2.27 10.26 0.74 0.00 0.00 0.00 0.00 01:50:15 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:15 ens3 72.50 51.24 395.81 11.25 0.00 0.00 0.00 0.00 02:00:15 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 14.02 12.62 140.03 1.12 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 5.79 5.38 33.87 0.67 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 16.04 15.25 181.36 1.62 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 22.47 21.77 225.00 2.26 0.00 0.00 0.00 0.00 02:40:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 02:40:01 ens3 15.69 13.13 72.81 9.15 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 12.96 10.28 89.81 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12427) 05/10/26 _x86_64_ (2 CPU) 00:35:35 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:15 all 0.29 0.00 0.07 0.01 0.04 99.59 00:50:15 0 0.12 0.00 0.10 0.02 0.04 99.72 00:50:15 1 0.46 0.00 0.05 0.00 0.03 99.45 01:00:15 all 0.27 0.00 0.17 0.03 0.03 99.50 01:00:15 0 0.13 0.00 0.19 0.01 0.03 99.64 01:00:15 1 0.41 0.00 0.15 0.04 0.03 99.36 01:10:01 all 0.34 0.00 0.11 0.08 0.03 99.44 01:10:01 0 0.11 0.00 0.11 0.02 0.03 99.72 01:10:01 1 0.57 0.00 0.11 0.14 0.03 99.15 01:20:08 all 0.26 0.00 0.07 0.01 0.03 99.62 01:20:08 0 0.08 0.00 0.10 0.02 0.04 99.77 01:20:08 1 0.45 0.00 0.05 0.01 0.02 99.47 01:30:15 all 0.25 0.00 0.16 0.02 0.03 99.54 01:30:15 0 0.13 0.00 0.18 0.03 0.03 99.64 01:30:15 1 0.38 0.00 0.14 0.01 0.02 99.44 01:40:01 all 0.36 0.00 0.07 0.01 0.03 99.52 01:40:01 0 0.18 0.00 0.07 0.02 0.03 99.70 01:40:01 1 0.55 0.00 0.07 0.01 0.02 99.35 01:50:15 all 10.90 0.00 1.77 6.69 0.06 80.58 01:50:15 0 10.49 0.00 1.73 8.47 0.06 79.24 01:50:15 1 11.30 0.00 1.80 4.90 0.07 81.93 02:00:15 all 0.89 0.00 0.31 0.01 0.07 98.73 02:00:15 0 0.67 0.00 0.22 0.01 0.05 99.05 02:00:15 1 1.11 0.00 0.39 0.01 0.08 98.40 02:10:01 all 6.34 0.00 0.64 0.01 0.08 92.94 02:10:01 0 8.33 0.00 0.78 0.01 0.07 90.81 02:10:01 1 4.39 0.00 0.50 0.00 0.08 95.03 02:20:15 all 2.10 0.00 0.31 0.04 0.07 97.48 02:20:15 0 1.99 0.00 0.42 0.07 0.09 97.43 02:20:15 1 2.21 0.00 0.20 0.01 0.06 97.53 02:30:15 all 1.81 0.00 0.42 2.21 0.07 95.48 02:30:15 0 1.81 0.00 0.33 4.42 0.07 93.38 02:30:15 1 1.81 0.00 0.51 0.01 0.08 97.59 02:30:15 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 4.28 0.00 0.55 2.44 0.07 92.65 02:40:01 0 4.23 0.00 0.51 0.48 0.08 94.71 02:40:01 1 4.33 0.00 0.59 4.41 0.07 90.60 Average: all 2.34 0.00 0.39 0.97 0.05 96.25 Average: 0 2.34 0.00 0.39 1.15 0.05 96.07 Average: 1 2.34 0.00 0.38 0.80 0.05 96.44