---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13050 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 11G 67G 14% / 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 655 10289 4 5044 14991 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:aa:5c:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83254sec preferred_lft 83254sec inet6 fe80::f816:3eff:feaa:5c06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:f8:7f:99:2c:39 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-13050) 05/13/26 _x86_64_ (4 CPU) 00:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:32 5.34 0.44 4.49 0.40 208.43 522.93 14796.16 00:20:24 14.59 0.01 1.61 12.97 0.20 18.49 245927.20 00:30:10 45.25 4.21 40.38 0.66 260.50 3908.61 610.83 00:40:24 3.92 0.07 3.67 0.19 6.91 609.76 33.48 Average: 16.99 1.16 12.32 3.51 118.37 1246.33 64475.84 00:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:32 13535808 15515512 498976 3.05 58736 2145588 1145132 6.57 284952 2292128 4 00:20:24 13534576 15519928 494548 3.02 59580 2150348 1145132 6.57 290504 2292656 172 00:30:10 11271396 14347640 1615272 9.87 113132 3136324 1991000 11.43 541700 4204612 716 00:40:24 9311844 12565972 3395704 20.74 119120 3292796 3596980 20.65 594076 6108172 304 Average: 11913406 14487263 1501125 9.17 87642 2681264 1969561 11.31 427808 3724392 299 00:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:32 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 00:10:32 ens3 7.14 3.58 141.02 0.30 0.00 0.00 0.00 0.00 00:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:24 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:24 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 00:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:10 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 00:30:10 ens3 82.57 64.56 888.31 11.85 0.00 0.00 0.00 0.00 00:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:24 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 00:40:24 ens3 10.23 8.46 35.08 3.09 0.00 0.00 0.00 0.00 00:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.31 0.31 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 24.61 18.83 261.43 3.76 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-13050) 05/13/26 _x86_64_ (4 CPU) 00:00:21 CPU %user %nice %system %iowait %steal %idle 00:10:32 all 0.30 0.00 0.15 0.12 0.01 99.43 00:10:32 0 0.34 0.00 0.14 0.04 0.01 99.47 00:10:32 1 0.24 0.00 0.11 0.06 0.01 99.58 00:10:32 2 0.35 0.00 0.11 0.31 0.02 99.22 00:10:32 3 0.26 0.00 0.24 0.06 0.01 99.43 00:20:24 all 0.18 0.00 0.04 0.03 0.01 99.74 00:20:24 0 0.63 0.00 0.06 0.00 0.02 99.28 00:20:24 1 0.02 0.00 0.03 0.01 0.01 99.94 00:20:24 2 0.06 0.00 0.03 0.08 0.01 99.83 00:20:24 3 0.02 0.00 0.02 0.04 0.01 99.92 00:30:10 all 22.42 0.00 0.84 0.28 0.05 76.40 00:30:10 0 23.99 0.00 0.86 0.10 0.06 75.00 00:30:10 1 22.31 0.00 0.93 0.49 0.06 76.21 00:30:10 2 23.65 0.00 0.84 0.49 0.05 74.97 00:30:10 3 19.72 0.00 0.75 0.06 0.05 79.43 00:40:24 all 51.52 0.00 0.73 0.02 0.08 47.65 00:40:24 0 42.85 0.00 0.67 0.03 0.08 56.37 00:40:24 1 57.83 0.00 0.83 0.03 0.08 41.23 00:40:24 2 51.71 0.00 0.68 0.01 0.08 47.51 00:40:24 3 53.71 0.00 0.74 0.00 0.08 45.46 Average: all 18.73 0.00 0.44 0.11 0.04 80.68 Average: 0 17.03 0.00 0.43 0.04 0.04 82.46 Average: 1 20.26 0.00 0.47 0.14 0.04 79.08 Average: 2 19.07 0.00 0.42 0.22 0.04 80.26 Average: 3 18.58 0.00 0.44 0.04 0.04 80.91