---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1810 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: 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: 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 11G 68G 14% / 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 674 10541 4 4773 14972 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:d5:eb:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81811sec preferred_lft 81811sec inet6 fe80::f816:3eff:fed5:ebd6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:3f:0d:49:cb:52 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-1810) 04/10/26 _x86_64_ (4 CPU) 13:51:10 LINUX RESTART (4 CPU) 14:00:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:41 1.33 0.00 1.33 0.00 0.04 15.12 0.17 14:20:00 1.16 0.00 1.16 0.00 0.01 13.26 0.00 14:30:31 1.21 0.00 1.21 0.00 0.00 13.58 0.00 14:40:32 25.47 2.22 22.67 0.58 132.54 2295.75 1550.11 14:50:01 12.27 2.03 9.55 0.69 132.40 2627.25 996.27 15:00:33 26.50 0.76 22.61 3.13 25.97 3327.00 3652.29 Average: 11.45 0.82 9.87 0.75 47.57 1388.23 1056.48 14:00:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:41 13783716 15529744 489188 2.99 54620 1918216 1148680 6.59 194968 2147280 8 14:20:00 13782960 15529384 489476 2.99 54976 1918232 1148680 6.59 195356 2148004 136 14:30:31 13782712 15529680 489104 2.99 55376 1918364 1148680 6.59 195752 2148652 4 14:40:32 13153600 15527712 451860 2.76 97148 2470180 993380 5.70 333828 2570724 452 14:50:01 10855880 14008464 1952920 11.93 129076 3161344 2198484 12.62 540172 4614556 20940 15:00:33 9139796 13226780 2725760 16.65 170672 3971192 2819248 16.18 783416 5970784 11828 Average: 12416444 14891961 1099718 6.72 93645 2559588 1576192 9.05 373915 3266667 5561 14:00:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:41 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:10:41 ens3 0.23 0.09 0.04 0.02 0.00 0.00 0.00 0.00 14:10:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:20:00 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:31 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 14:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:32 lo 0.29 0.29 0.04 0.04 0.00 0.00 0.00 0.00 14:40:32 ens3 40.25 29.82 311.46 7.14 0.00 0.00 0.00 0.00 14:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 0.96 0.96 0.10 0.10 0.00 0.00 0.00 0.00 14:50:01 ens3 88.65 73.61 638.14 17.15 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:33 lo 1380.30 1380.30 1315.46 1315.46 0.00 0.00 0.00 0.00 15:00:33 ens3 79.31 60.27 356.75 17.16 0.00 0.00 0.00 0.00 15:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 242.35 242.35 230.75 230.75 0.00 0.00 0.00 0.00 Average: ens3 34.73 27.21 215.28 6.92 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-1810) 04/10/26 _x86_64_ (4 CPU) 13:51:10 LINUX RESTART (4 CPU) 14:00:30 CPU %user %nice %system %iowait %steal %idle 14:10:41 all 0.16 0.00 0.03 0.01 0.01 99.79 14:10:41 0 0.02 0.00 0.02 0.00 0.00 99.95 14:10:41 1 0.07 0.00 0.04 0.03 0.01 99.85 14:10:41 2 0.53 0.00 0.03 0.00 0.02 99.42 14:10:41 3 0.02 0.00 0.02 0.00 0.01 99.94 14:20:00 all 0.21 0.00 0.03 0.01 0.01 99.74 14:20:00 0 0.03 0.00 0.03 0.00 0.01 99.93 14:20:00 1 0.04 0.00 0.03 0.03 0.01 99.89 14:20:00 2 0.77 0.00 0.04 0.01 0.02 99.16 14:20:00 3 0.01 0.00 0.01 0.01 0.01 99.96 14:30:31 all 0.17 0.00 0.03 0.01 0.01 99.78 14:30:31 0 0.08 0.00 0.03 0.00 0.01 99.88 14:30:31 1 0.41 0.00 0.05 0.00 0.01 99.53 14:30:31 2 0.03 0.00 0.02 0.01 0.02 99.92 14:30:31 3 0.17 0.00 0.02 0.01 0.01 99.79 14:40:32 all 2.78 0.00 0.36 0.43 0.02 96.42 14:40:32 0 2.16 0.00 0.45 0.41 0.02 96.96 14:40:32 1 2.11 0.00 0.25 0.09 0.02 97.54 14:40:32 2 5.38 0.00 0.58 0.92 0.03 93.10 14:40:32 3 1.44 0.00 0.15 0.31 0.01 98.08 14:50:01 all 51.90 0.00 1.73 0.06 0.13 46.18 14:50:01 0 52.53 0.00 1.37 0.07 0.12 45.90 14:50:01 1 51.60 0.00 1.91 0.08 0.13 46.29 14:50:01 2 52.56 0.00 1.90 0.07 0.13 45.35 14:50:01 3 50.92 0.00 1.74 0.04 0.13 47.17 15:00:33 all 69.87 0.00 2.75 0.06 0.17 27.14 15:00:33 0 70.30 0.00 2.96 0.09 0.17 26.48 15:00:33 1 70.87 0.00 2.83 0.05 0.17 26.07 15:00:33 2 69.09 0.00 2.52 0.06 0.17 28.16 15:00:33 3 69.22 0.00 2.69 0.04 0.17 27.88 Average: all 20.96 0.00 0.83 0.10 0.06 78.05 Average: 0 20.97 0.00 0.82 0.10 0.06 78.05 Average: 1 20.98 0.00 0.86 0.05 0.06 78.06 Average: 2 21.49 0.00 0.85 0.18 0.06 77.42 Average: 3 20.42 0.00 0.78 0.07 0.06 78.68