---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47793 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 12G 66G 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 636 9514 4 5838 15010 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:3d:1d:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83186sec preferred_lft 83186sec inet6 fe80::f816:3eff:fe3d:1d46/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:e7:c8:62:9e:88 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-47793) 03/05/26 _x86_64_ (4 CPU) 07:17:02 LINUX RESTART (4 CPU) 07:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:00 0.98 0.04 0.93 0.01 2.03 14.52 217.24 07:40:00 0.86 0.01 0.86 0.00 0.04 11.84 0.00 07:50:00 0.88 0.00 0.88 0.00 0.00 11.47 0.00 08:00:00 33.23 4.21 28.36 0.66 255.11 3546.20 635.65 08:10:00 36.37 0.74 32.08 3.55 33.67 10270.52 8204.15 Average: 14.46 1.00 12.62 0.85 58.17 2770.91 1811.41 07:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:00 13763264 15508820 510200 3.12 54320 1918096 1147068 6.58 194180 2159568 104 07:40:00 13762256 15508196 510780 3.12 54660 1918104 1147068 6.58 194544 2160228 4 07:50:00 13761500 15507804 511104 3.12 55028 1918108 1147068 6.58 194904 2160968 8 08:00:00 11304032 14108612 1856180 11.34 107852 2871428 2244052 12.88 442208 4302612 37916 08:10:00 9770252 15400760 551100 3.37 146540 5539512 1054132 6.05 1408672 4729868 18788 Average: 12472261 15206838 787873 4.81 83680 2833050 1347878 7.74 486902 3102649 11364 07:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:30:00 ens3 0.29 0.11 0.09 0.04 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:00 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:00 ens3 0.18 0.07 0.04 0.02 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 0.50 0.50 0.06 0.06 0.00 0.00 0.00 0.00 08:00:00 ens3 85.20 63.65 867.96 12.60 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 lo 1125.55 1125.55 1067.70 1067.70 0.00 0.00 0.00 0.00 08:10:00 ens3 100.71 79.82 442.23 102.39 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 225.27 225.27 213.56 213.56 0.00 0.00 0.00 0.00 Average: ens3 37.32 28.75 262.07 23.01 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-47793) 03/05/26 _x86_64_ (4 CPU) 07:17:02 LINUX RESTART (4 CPU) 07:20:00 CPU %user %nice %system %iowait %steal %idle 07:30:00 all 0.14 0.00 0.03 0.03 0.01 99.80 07:30:00 0 0.02 0.00 0.02 0.00 0.01 99.95 07:30:00 1 0.44 0.00 0.03 0.04 0.02 99.46 07:30:00 2 0.05 0.00 0.05 0.06 0.02 99.83 07:30:00 3 0.03 0.00 0.01 0.00 0.01 99.94 07:40:00 all 0.12 0.00 0.03 0.03 0.01 99.82 07:40:00 0 0.02 0.00 0.02 0.00 0.01 99.96 07:40:00 1 0.37 0.00 0.03 0.11 0.02 99.48 07:40:00 2 0.05 0.00 0.04 0.00 0.03 99.89 07:40:00 3 0.03 0.00 0.02 0.00 0.01 99.94 07:50:00 all 0.12 0.00 0.02 0.01 0.01 99.84 07:50:00 0 0.02 0.00 0.01 0.00 0.01 99.96 07:50:00 1 0.03 0.00 0.03 0.04 0.02 99.88 07:50:00 2 0.37 0.00 0.03 0.01 0.02 99.58 07:50:00 3 0.04 0.00 0.03 0.00 0.02 99.92 08:00:00 all 12.33 0.00 0.64 0.38 0.03 86.62 08:00:00 0 12.36 0.00 0.64 0.97 0.03 86.00 08:00:00 1 11.53 0.00 0.48 0.30 0.03 87.66 08:00:00 2 12.75 0.00 0.64 0.09 0.03 86.48 08:00:00 3 12.68 0.00 0.80 0.13 0.04 86.36 08:10:00 all 52.37 0.00 2.42 0.24 0.09 44.87 08:10:00 0 47.20 0.00 2.36 0.35 0.09 49.99 08:10:00 1 51.86 0.00 2.38 0.40 0.10 45.26 08:10:00 2 48.58 0.00 2.25 0.14 0.09 48.94 08:10:00 3 61.85 0.00 2.69 0.09 0.10 35.27 Average: all 12.99 0.00 0.63 0.14 0.03 86.21 Average: 0 11.91 0.00 0.61 0.27 0.03 87.19 Average: 1 12.82 0.00 0.59 0.18 0.04 86.37 Average: 2 12.34 0.00 0.60 0.06 0.04 86.96 Average: 3 14.89 0.00 0.71 0.04 0.03 84.33