---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35163 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 13G 65G 17% / 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 698 8261 4 7029 14948 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:fa:e7:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83929sec preferred_lft 83929sec inet6 fe80::f816:3eff:fefa:e7bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:22:8b:ef:b7:fb 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-35163) 07/12/26 _x86_64_ (4 CPU) 13:50:09 LINUX RESTART (4 CPU) 14:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:00 25.14 0.03 22.31 2.80 0.59 2070.29 6899.84 14:20:00 27.04 0.03 24.32 2.69 0.37 4078.09 9842.86 14:30:00 11.40 0.14 9.97 1.28 9.55 7386.67 1574.72 Average: 21.19 0.07 18.87 2.26 3.51 4512.89 6103.56 14:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:00 8442912 12451764 3504064 21.40 149940 3950304 3442348 19.76 770680 6728960 212700 14:20:00 7547216 12315876 3636824 22.21 168080 4659504 3395496 19.49 1007960 7345600 80 14:30:00 8507776 15346212 598648 3.66 184024 6646820 1102268 6.33 1757612 5543448 40 Average: 8165968 13371284 2579845 15.76 167348 5085543 2646704 15.19 1178751 6539336 70940 14:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:00 lo 1296.38 1296.38 1230.08 1230.08 0.00 0.00 0.00 0.00 14:10:00 ens3 34.85 28.83 14.76 10.31 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 1015.02 1015.02 960.13 960.13 0.00 0.00 0.00 0.00 14:20:00 ens3 41.34 32.20 24.68 11.17 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 14:30:00 lo 2552.62 2552.62 9276.91 9276.91 0.00 0.00 0.00 0.00 14:30:00 ens3 70.22 85.68 142.55 1204.34 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1621.79 1621.79 3824.89 3824.89 0.00 0.00 0.00 0.00 Average: ens3 48.81 48.92 60.70 408.97 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-35163) 07/12/26 _x86_64_ (4 CPU) 13:50:09 LINUX RESTART (4 CPU) 14:00:00 CPU %user %nice %system %iowait %steal %idle 14:10:00 all 65.82 0.00 2.19 0.04 0.10 31.84 14:10:00 0 66.07 0.00 1.97 0.05 0.10 31.81 14:10:00 1 65.81 0.00 2.25 0.03 0.10 31.81 14:10:00 2 65.54 0.00 2.21 0.05 0.10 32.09 14:10:00 3 65.87 0.00 2.33 0.04 0.10 31.66 14:20:00 all 47.84 0.00 2.00 0.07 0.09 50.00 14:20:00 0 47.67 0.00 2.00 0.09 0.09 50.15 14:20:00 1 46.32 0.00 1.91 0.09 0.09 51.59 14:20:00 2 46.92 0.00 2.07 0.07 0.09 50.85 14:20:00 3 50.44 0.00 2.03 0.04 0.09 47.40 14:30:00 all 34.99 0.00 1.30 0.11 0.07 63.53 14:30:00 0 29.87 0.00 0.92 0.28 0.07 68.86 14:30:00 1 34.62 0.00 1.07 0.03 0.07 64.20 14:30:00 2 44.90 0.00 1.81 0.04 0.08 53.18 14:30:00 3 30.58 0.00 1.41 0.07 0.07 67.87 Average: all 49.53 0.00 1.83 0.07 0.09 48.48 Average: 0 47.86 0.00 1.63 0.14 0.09 50.29 Average: 1 48.90 0.00 1.74 0.05 0.09 49.22 Average: 2 52.44 0.00 2.03 0.06 0.09 45.39 Average: 3 48.93 0.00 1.93 0.05 0.09 49.01