---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-64882 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 781 25288 4 6022 30843 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:db:88:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82605sec preferred_lft 82605sec inet6 fe80::f816:3eff:fedb:8884/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:19:7f:dd:7d:18 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-64882) 03/31/26 _x86_64_ (8 CPU) 16:55:16 LINUX RESTART (8 CPU) 17:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:05 1.52 0.04 1.46 0.01 1.91 18.19 215.76 17:20:03 1.35 0.01 1.34 0.00 0.05 15.73 0.00 17:30:01 15.14 0.01 1.29 13.84 0.16 15.00 515287.35 17:40:09 1.30 0.00 1.30 0.00 0.00 14.92 0.00 17:50:01 35.82 3.45 32.16 0.21 118.33 2331.66 664.11 Average: 10.93 0.69 7.43 2.80 23.78 473.00 102959.20 17:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:05 30252404 31884704 502580 1.53 60012 1910408 1512208 4.46 198852 2130620 168 17:20:03 30252332 31885116 502252 1.53 60436 1910420 1512208 4.46 199336 2131392 8 17:30:01 30245148 31888680 498428 1.52 61116 1920428 1512208 4.46 209952 2132124 12 17:40:09 30236524 31880488 506276 1.54 61524 1920432 1512208 4.46 210364 2143872 28 17:50:01 26851324 29495804 2853648 8.68 92124 2860756 3244392 9.57 480088 5191544 404528 Average: 29567546 31406958 972637 2.96 67042 2104489 1858645 5.48 259718 2745910 80949 17:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 17:10:05 ens3 0.22 0.11 0.08 0.03 0.00 0.00 0.00 0.00 17:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:03 ens3 0.17 0.09 0.04 0.02 0.00 0.00 0.00 0.00 17:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:30:01 ens3 0.16 0.08 0.04 0.02 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:40:09 ens3 0.36 0.15 0.12 0.07 0.00 0.00 0.00 0.00 17:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 83.47 83.47 116.38 116.38 0.00 0.00 0.00 0.00 17:50:01 ens3 187.46 132.90 1111.73 38.88 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.55 16.55 22.98 22.98 0.00 0.00 0.00 0.00 Average: ens3 37.18 26.32 219.48 7.70 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-64882) 03/31/26 _x86_64_ (8 CPU) 16:55:16 LINUX RESTART (8 CPU) 17:00:01 CPU %user %nice %system %iowait %steal %idle 17:10:05 all 0.06 0.00 0.03 0.00 0.02 99.89 17:10:05 0 0.02 0.00 0.02 0.00 0.00 99.96 17:10:05 1 0.03 0.00 0.04 0.01 0.04 99.88 17:10:05 2 0.02 0.00 0.03 0.00 0.02 99.93 17:10:05 3 0.32 0.00 0.01 0.00 0.01 99.66 17:10:05 4 0.01 0.00 0.01 0.01 0.01 99.96 17:10:05 5 0.05 0.00 0.06 0.00 0.04 99.85 17:10:05 6 0.01 0.00 0.01 0.00 0.00 99.97 17:10:05 7 0.03 0.00 0.03 0.00 0.01 99.92 17:20:03 all 0.08 0.00 0.02 0.00 0.02 99.87 17:20:03 0 0.02 0.00 0.03 0.00 0.03 99.92 17:20:03 1 0.54 0.00 0.03 0.02 0.02 99.39 17:20:03 2 0.01 0.00 0.01 0.00 0.01 99.97 17:20:03 3 0.01 0.00 0.00 0.00 0.01 99.98 17:20:03 4 0.02 0.00 0.02 0.00 0.01 99.94 17:20:03 5 0.04 0.00 0.07 0.00 0.05 99.83 17:20:03 6 0.01 0.00 0.01 0.00 0.01 99.97 17:20:03 7 0.02 0.00 0.01 0.00 0.01 99.96 17:30:01 all 0.08 0.00 0.03 0.02 0.01 99.85 17:30:01 0 0.00 0.00 0.02 0.00 0.01 99.97 17:30:01 1 0.14 0.00 0.01 0.02 0.01 99.82 17:30:01 2 0.01 0.00 0.01 0.00 0.01 99.97 17:30:01 3 0.03 0.00 0.08 0.14 0.04 99.71 17:30:01 4 0.02 0.00 0.05 0.00 0.03 99.91 17:30:01 5 0.01 0.00 0.01 0.00 0.01 99.97 17:30:01 6 0.44 0.00 0.02 0.01 0.00 99.53 17:30:01 7 0.02 0.00 0.03 0.00 0.02 99.93 17:40:09 all 0.06 0.00 0.03 0.00 0.01 99.90 17:40:09 0 0.00 0.00 0.00 0.00 0.00 100.00 17:40:09 1 0.03 0.00 0.04 0.00 0.02 99.90 17:40:09 2 0.02 0.00 0.02 0.00 0.00 99.96 17:40:09 3 0.08 0.00 0.01 0.00 0.00 99.90 17:40:09 4 0.01 0.00 0.03 0.00 0.02 99.93 17:40:09 5 0.01 0.00 0.02 0.00 0.01 99.97 17:40:09 6 0.25 0.00 0.02 0.02 0.00 99.70 17:40:09 7 0.04 0.00 0.07 0.00 0.03 99.86 17:50:01 all 5.52 0.00 0.39 0.07 0.03 93.99 17:50:01 0 5.81 0.00 0.28 0.02 0.02 93.88 17:50:01 1 5.18 0.00 0.52 0.01 0.04 94.24 17:50:01 2 4.13 0.00 0.39 0.03 0.03 95.41 17:50:01 3 5.98 0.00 0.55 0.04 0.02 93.41 17:50:01 4 7.26 0.00 0.55 0.37 0.03 91.79 17:50:01 5 4.80 0.00 0.21 0.01 0.02 94.97 17:50:01 6 5.44 0.00 0.35 0.10 0.02 94.09 17:50:01 7 5.53 0.00 0.28 0.02 0.04 94.14 Average: all 1.14 0.00 0.10 0.02 0.02 98.72 Average: 0 1.15 0.00 0.07 0.00 0.01 98.76 Average: 1 1.17 0.00 0.13 0.01 0.03 98.66 Average: 2 0.83 0.00 0.09 0.01 0.01 99.06 Average: 3 1.27 0.00 0.13 0.04 0.02 98.55 Average: 4 1.45 0.00 0.13 0.08 0.02 98.33 Average: 5 0.97 0.00 0.07 0.00 0.03 98.93 Average: 6 1.22 0.00 0.08 0.03 0.01 98.67 Average: 7 1.11 0.00 0.08 0.00 0.02 98.78