---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2923 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 16% / 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 644 9007 4 6337 15002 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:da:8a:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84236sec preferred_lft 84236sec inet6 fe80::f816:3eff:feda:8a06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:9c:40:e5:f1:c5 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-2923) 04/15/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:09 37.71 0.07 21.10 16.54 6.45 2357.62 243778.35 05:50:09 30.77 0.03 27.68 3.06 0.43 4368.19 9496.42 Average: 34.24 0.05 24.39 9.80 3.44 3363.32 126588.52 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:09 9440500 13042688 2914728 17.80 142720 3575020 3028688 17.38 709020 5833052 22616 05:50:09 8003080 12590608 3362448 20.54 159196 4499664 3210204 18.43 977788 6941724 1140 Average: 8721790 12816648 3138588 19.17 150958 4037342 3119446 17.91 843404 6387388 11878 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:09 lo 1418.53 1418.53 1345.42 1345.42 0.00 0.00 0.00 0.00 05:40:09 ens3 47.39 39.93 27.69 13.15 0.00 0.00 0.00 0.00 05:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:09 lo 1325.56 1325.56 1258.10 1258.10 0.00 0.00 0.00 0.00 05:50:09 ens3 41.76 34.01 39.02 11.65 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1372.02 1372.02 1301.74 1301.74 0.00 0.00 0.00 0.00 Average: ens3 44.57 36.97 33.36 12.40 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-2923) 04/15/26 _x86_64_ (4 CPU) 05:23:20 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:09 all 66.98 0.00 2.31 0.06 0.08 30.57 05:40:09 0 67.25 0.00 2.14 0.09 0.09 30.44 05:40:09 1 67.78 0.00 2.39 0.06 0.08 29.69 05:40:09 2 66.97 0.00 2.65 0.04 0.08 30.26 05:40:09 3 65.91 0.00 2.06 0.04 0.08 31.91 05:50:09 all 58.96 0.00 2.33 0.10 0.09 38.54 05:50:09 0 57.27 0.00 2.12 0.14 0.09 40.38 05:50:09 1 62.28 0.00 2.50 0.14 0.08 35.00 05:50:09 2 59.96 0.00 2.48 0.04 0.09 37.43 05:50:09 3 56.31 0.00 2.20 0.07 0.09 41.34 Average: all 62.97 0.00 2.32 0.08 0.08 34.55 Average: 0 62.26 0.00 2.13 0.11 0.09 35.41 Average: 1 65.03 0.00 2.45 0.10 0.08 32.34 Average: 2 63.47 0.00 2.56 0.04 0.08 33.84 Average: 3 61.11 0.00 2.13 0.05 0.08 36.62