---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3662 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 743 9374 4 5870 14903 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:ff:56:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84165sec preferred_lft 84165sec inet6 fe80::f816:3eff:feff:56fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:d1:65:a2:b9:99 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-3662) 04/16/26 _x86_64_ (4 CPU) 20:24:22 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 48.87 0.44 30.33 18.10 14.07 4484.59 243298.39 20:50:01 51.44 0.00 41.28 10.16 0.03 2908.72 11692.39 21:00:09 19.12 0.29 16.15 2.67 11.56 3883.16 4558.64 Average: 39.70 0.24 29.18 10.27 8.57 3759.45 86080.06 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 9205992 13421340 2530504 15.46 186216 4084084 2717184 15.60 823476 5871464 12884 20:50:01 8318156 12994308 2952980 18.04 217848 4468164 3179884 18.25 939164 6604144 24940 21:00:09 9699500 15346300 597444 3.65 243200 5370256 1132728 6.50 1273672 4804332 180 Average: 9074549 13920649 2026976 12.38 215755 4640835 2343265 13.45 1012104 5759980 12668 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 2056.12 2056.12 1960.07 1960.07 0.00 0.00 0.00 0.00 20:40:02 ens3 91.10 66.83 325.25 20.40 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 4992.35 4992.35 4759.11 4759.11 0.00 0.00 0.00 0.00 20:50:01 ens3 82.43 56.14 24.71 20.40 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 1005.49 1005.49 938.01 938.01 0.00 0.00 0.00 0.00 21:00:09 ens3 120.16 125.73 146.17 522.81 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2675.84 2675.84 2543.92 2543.92 0.00 0.00 0.00 0.00 Average: ens3 98.01 83.13 165.27 189.64 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-3662) 04/16/26 _x86_64_ (4 CPU) 20:24:22 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 65.70 0.00 3.09 0.07 0.10 31.05 20:40:02 0 65.99 0.00 3.56 0.10 0.10 30.24 20:40:02 1 65.17 0.00 2.76 0.06 0.10 31.91 20:40:02 2 65.86 0.00 2.91 0.08 0.10 31.05 20:40:02 3 65.76 0.00 3.12 0.04 0.10 30.98 20:50:01 all 62.68 0.00 4.07 0.08 0.09 33.07 20:50:01 0 62.67 0.00 3.95 0.09 0.09 33.20 20:50:01 1 62.96 0.00 4.38 0.08 0.10 32.48 20:50:01 2 62.14 0.00 3.69 0.06 0.09 34.01 20:50:01 3 62.93 0.00 4.28 0.10 0.09 32.60 21:00:09 all 34.39 0.00 1.56 0.07 0.07 63.91 21:00:09 0 30.51 0.00 1.69 0.03 0.07 67.70 21:00:09 1 35.47 0.00 1.63 0.11 0.08 62.71 21:00:09 2 37.35 0.00 1.42 0.04 0.07 61.13 21:00:09 3 34.24 0.00 1.50 0.10 0.07 64.09 Average: all 54.12 0.00 2.90 0.07 0.09 42.82 Average: 0 52.90 0.00 3.06 0.07 0.09 43.88 Average: 1 54.42 0.00 2.92 0.08 0.09 42.49 Average: 2 55.00 0.00 2.67 0.06 0.09 42.19 Average: 3 54.16 0.00 2.95 0.08 0.09 42.71