---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38040 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 618 8810 4 6560 15028 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:bc:ae:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83204sec preferred_lft 83204sec inet6 fe80::f816:3eff:febc:ae57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:fd:48:7f:bb:c9 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38040) 07/23/26 _x86_64_ (4 CPU) 10:43:52 LINUX RESTART (4 CPU) 10:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:02 14.32 0.01 1.40 12.91 0.19 16.47 245385.80 11:10:02 1.29 0.00 1.29 0.00 0.15 14.48 0.00 11:20:08 1.40 0.00 1.40 0.00 0.29 15.62 0.00 11:30:08 14.37 2.28 12.02 0.08 119.21 1598.20 293.80 Average: 7.81 0.57 4.03 3.21 29.96 411.19 60761.45 10:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:02 13638380 15523360 493516 3.01 56180 2054504 1148164 6.59 263676 2215756 220 11:10:02 13633656 15519260 497784 3.04 56740 2054560 1148492 6.59 264240 2222500 236 11:20:08 13632396 15518828 498056 3.04 57344 2054776 1148492 6.59 264836 2221916 56 11:30:08 12314784 15523092 456424 2.79 82172 3320732 1006180 5.78 502048 3260608 819708 Average: 13304804 15521135 486445 2.97 63109 2371143 1112832 6.39 323700 2480195 205055 10:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:02 ens3 0.75 0.26 0.33 0.13 0.00 0.00 0.00 0.00 11:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:02 ens3 0.49 0.31 0.11 0.59 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:08 ens3 0.29 0.12 0.08 0.04 0.00 0.00 0.00 0.00 11:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:08 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 11:30:08 ens3 100.62 78.31 730.03 16.10 0.00 0.00 0.00 0.00 11:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 25.53 19.75 182.64 4.22 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38040) 07/23/26 _x86_64_ (4 CPU) 10:43:52 LINUX RESTART (4 CPU) 10:50:08 CPU %user %nice %system %iowait %steal %idle 11:00:02 all 0.17 0.00 0.03 0.08 0.01 99.71 11:00:02 0 0.05 0.00 0.04 0.23 0.01 99.67 11:00:02 1 0.39 0.00 0.04 0.09 0.01 99.47 11:00:02 2 0.20 0.00 0.03 0.00 0.01 99.76 11:00:02 3 0.03 0.00 0.03 0.01 0.00 99.94 11:10:02 all 0.11 0.00 0.03 0.09 0.01 99.76 11:10:02 0 0.09 0.00 0.03 0.19 0.01 99.68 11:10:02 1 0.04 0.00 0.04 0.10 0.01 99.81 11:10:02 2 0.22 0.00 0.02 0.02 0.00 99.73 11:10:02 3 0.10 0.00 0.02 0.03 0.01 99.84 11:20:08 all 0.08 0.00 0.03 0.07 0.01 99.80 11:20:08 0 0.21 0.00 0.04 0.02 0.01 99.72 11:20:08 1 0.07 0.00 0.02 0.00 0.01 99.89 11:20:08 2 0.03 0.00 0.04 0.22 0.01 99.70 11:20:08 3 0.02 0.00 0.02 0.06 0.00 99.90 11:30:08 all 4.84 0.00 0.37 0.37 0.02 94.39 11:30:08 0 4.33 0.00 0.30 0.48 0.02 94.87 11:30:08 1 4.29 0.00 0.44 0.28 0.02 94.97 11:30:08 2 6.36 0.00 0.54 0.56 0.03 92.51 11:30:08 3 4.39 0.00 0.22 0.15 0.02 95.23 Average: all 1.30 0.00 0.12 0.15 0.01 98.42 Average: 0 1.17 0.00 0.10 0.23 0.01 98.48 Average: 1 1.20 0.00 0.14 0.12 0.01 98.54 Average: 2 1.70 0.00 0.16 0.20 0.01 97.93 Average: 3 1.13 0.00 0.07 0.06 0.01 98.73