---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1782 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 709 9460 4 5819 14937 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:87:2b:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82256sec preferred_lft 82256sec inet6 fe80::f816:3eff:fe87:2b01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:a7:18:35:ce:d9 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-4c-4g-1782) 04/10/26 _x86_64_ (4 CPU) 11:56:20 LINUX RESTART (4 CPU) 12:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:28 15.78 0.41 2.78 12.59 391.05 387.00 235123.27 12:20:08 1.03 0.01 1.00 0.02 0.06 13.07 0.41 12:30:08 0.94 0.00 0.93 0.01 0.00 12.09 0.36 12:40:08 46.58 4.67 41.06 0.85 271.82 4430.40 1526.76 12:50:09 31.23 0.15 27.87 3.21 6.15 3520.27 12292.38 13:00:09 27.65 0.04 24.90 2.72 1.52 5931.75 14663.42 Average: 20.63 0.88 16.44 3.30 113.92 2385.56 45216.97 12:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:28 13546060 15515652 500232 3.06 57900 2137056 1144460 6.57 337344 2231728 184 12:20:08 13544056 15514228 501648 3.06 58324 2137208 1144460 6.57 337772 2232676 28 12:30:08 13542292 15512820 502960 3.07 58672 2137212 1144588 6.57 338120 2237216 28 12:40:08 10628888 13995300 1965684 12.01 129476 3379032 2295304 13.18 646444 4737544 139684 12:50:09 9342620 13304708 2649920 16.18 164260 3882064 2814496 16.16 873860 5700576 10504 13:00:09 7893180 13073328 2875288 17.56 188924 5013788 3002584 17.23 1030860 6945432 43964 Average: 11416183 14486006 1499289 9.16 109593 3114393 1924315 11.05 594067 4014195 32399 12:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:28 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 12:10:28 ens3 12.96 8.67 125.58 0.68 0.00 0.00 0.00 0.00 12:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:08 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 12:20:08 ens3 0.37 0.12 0.08 0.04 0.00 0.00 0.00 0.00 12:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:08 ens3 1.58 0.43 0.12 0.57 0.00 0.00 0.00 0.00 12:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:08 lo 89.12 89.12 84.53 84.53 0.00 0.00 0.00 0.00 12:40:08 ens3 103.49 76.52 979.33 14.94 0.00 0.00 0.00 0.00 12:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:09 lo 1495.49 1495.49 1425.59 1425.59 0.00 0.00 0.00 0.00 12:50:09 ens3 51.55 39.48 98.08 13.45 0.00 0.00 0.00 0.00 12:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:09 lo 598.28 598.28 569.39 569.39 0.00 0.00 0.00 0.00 13:00:09 ens3 61.53 47.25 235.13 14.04 0.00 0.00 0.00 0.00 13:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 364.13 364.13 346.84 346.84 0.00 0.00 0.00 0.00 Average: ens3 38.67 28.80 240.50 7.29 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-4c-4g-1782) 04/10/26 _x86_64_ (4 CPU) 11:56:20 LINUX RESTART (4 CPU) 12:00:09 CPU %user %nice %system %iowait %steal %idle 12:10:28 all 0.48 0.00 0.12 0.23 0.02 99.16 12:10:28 0 0.38 0.00 0.11 0.10 0.02 99.39 12:10:28 1 0.35 0.00 0.11 0.05 0.02 99.47 12:10:28 2 0.73 0.00 0.10 0.70 0.02 98.45 12:10:28 3 0.44 0.00 0.16 0.05 0.02 99.32 12:20:08 all 0.07 0.00 0.02 0.01 0.02 99.88 12:20:08 0 0.18 0.00 0.02 0.00 0.03 99.78 12:20:08 1 0.03 0.00 0.03 0.01 0.03 99.90 12:20:08 2 0.02 0.00 0.01 0.00 0.01 99.96 12:20:08 3 0.04 0.00 0.02 0.04 0.02 99.87 12:30:08 all 0.19 0.00 0.04 0.04 0.02 99.72 12:30:08 0 0.02 0.00 0.04 0.02 0.02 99.90 12:30:08 1 0.25 0.00 0.03 0.09 0.01 99.62 12:30:08 2 0.02 0.00 0.02 0.00 0.01 99.95 12:30:08 3 0.48 0.00 0.06 0.03 0.03 99.40 12:40:08 all 20.55 0.00 0.94 0.26 0.05 78.19 12:40:08 0 21.25 0.00 1.00 0.14 0.05 77.56 12:40:08 1 22.58 0.00 1.08 0.10 0.05 76.20 12:40:08 2 19.25 0.00 1.09 0.76 0.05 78.85 12:40:08 3 19.13 0.00 0.59 0.05 0.06 80.18 12:50:09 all 64.62 0.00 2.50 0.06 0.10 32.72 12:50:09 0 64.23 0.00 2.39 0.08 0.10 33.21 12:50:09 1 65.84 0.00 2.86 0.05 0.10 31.15 12:50:09 2 65.51 0.00 2.67 0.06 0.10 31.66 12:50:09 3 62.91 0.00 2.09 0.04 0.10 34.86 13:00:09 all 59.95 0.00 2.15 0.29 0.10 37.50 13:00:09 0 59.59 0.00 2.21 0.13 0.11 37.96 13:00:09 1 61.64 0.00 2.18 0.32 0.10 35.76 13:00:09 2 58.08 0.00 1.74 0.41 0.10 39.66 13:00:09 3 60.48 0.00 2.46 0.31 0.11 36.64 Average: all 24.29 0.00 0.96 0.15 0.05 74.55 Average: 0 24.28 0.00 0.96 0.08 0.05 74.63 Average: 1 25.09 0.00 1.05 0.10 0.05 73.70 Average: 2 23.89 0.00 0.94 0.33 0.05 74.79 Average: 3 23.87 0.00 0.90 0.09 0.06 75.09