---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1760 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 10G 68G 13% / 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 630 10801 4 4557 15016 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:12:6d:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84105sec preferred_lft 84105sec inet6 fe80::f816:3eff:fe12:6dd3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:10:c7:36:0f:01 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-1760) 08/03/26 _x86_64_ (4 CPU) 09:37:35 LINUX RESTART (4 CPU) 09:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:07 20.25 0.13 6.25 13.86 5.45 1060.74 256740.16 10:00:01 2.12 0.07 2.04 0.01 1.51 81.62 0.62 10:10:06 14.53 1.94 11.54 1.05 127.93 3074.74 2767.69 Average: 12.35 0.72 6.64 4.99 45.32 1414.81 86705.43 09:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:07 12628264 15499428 463952 2.83 108448 2937092 999264 5.74 448592 2943972 140 10:00:01 12321156 15309832 652696 3.99 117068 3034712 1268440 7.28 476948 3225652 102936 10:10:06 10106756 13976044 1979236 12.09 150448 3807184 2282564 13.10 695156 5144236 23272 Average: 11685392 14928435 1031961 6.30 125321 3259663 1516756 8.71 540232 3771287 42116 09:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:07 lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 09:50:07 ens3 81.17 48.08 541.30 4.34 0.00 0.00 0.00 0.00 09:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:00:01 ens3 24.43 21.27 292.95 2.98 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:06 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 10:10:06 ens3 96.84 73.63 428.85 19.23 0.00 0.00 0.00 0.00 10:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.57 0.57 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 67.73 47.83 421.60 8.89 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-1760) 08/03/26 _x86_64_ (4 CPU) 09:37:35 LINUX RESTART (4 CPU) 09:40:06 CPU %user %nice %system %iowait %steal %idle 09:50:07 all 0.65 0.00 0.31 0.11 0.01 98.91 09:50:07 0 0.44 0.00 0.23 0.13 0.01 99.20 09:50:07 1 0.57 0.00 0.39 0.06 0.01 98.97 09:50:07 2 0.94 0.00 0.25 0.10 0.02 98.69 09:50:07 3 0.67 0.00 0.38 0.15 0.01 98.79 10:00:01 all 1.66 0.00 0.12 0.01 0.01 98.20 10:00:01 0 1.30 0.00 0.06 0.00 0.01 98.63 10:00:01 1 1.78 0.00 0.16 0.02 0.02 98.02 10:00:01 2 2.27 0.00 0.07 0.01 0.02 97.63 10:00:01 3 1.26 0.00 0.18 0.01 0.01 98.55 10:10:06 all 71.43 0.00 2.34 0.22 0.15 25.86 10:10:06 0 70.49 0.00 2.13 0.17 0.15 27.05 10:10:06 1 72.81 0.00 2.60 0.32 0.15 24.12 10:10:06 2 72.85 0.00 2.39 0.23 0.15 24.38 10:10:06 3 69.58 0.00 2.24 0.17 0.14 27.88 Average: all 24.73 0.00 0.93 0.11 0.06 74.17 Average: 0 24.25 0.00 0.81 0.10 0.06 74.78 Average: 1 25.24 0.00 1.06 0.13 0.06 73.51 Average: 2 25.46 0.00 0.91 0.11 0.06 73.45 Average: 3 23.99 0.00 0.94 0.11 0.05 74.91