---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21245 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: 5600.00 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 67G 15% / 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 728 9480 4 5780 14918 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:1e:6b:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84503sec preferred_lft 84503sec inet6 fe80::f816:3eff:fe1e:6b8f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:ec:d2:4d:70:67 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-21245) 05/29/26 _x86_64_ (4 CPU) 15:47:19 LINUX RESTART (4 CPU) 15:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:01 26.25 2.72 21.54 1.99 149.50 5007.81 5403.92 16:10:01 31.35 0.04 27.95 3.37 1.27 3379.04 13589.61 Average: 28.81 1.38 24.75 2.68 75.27 4192.21 9502.88 15:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:01 9312876 13139156 2815960 17.20 157928 3753216 3162984 18.16 739212 5900316 17588 16:10:01 8764304 13135652 2815860 17.20 182492 4230332 3071652 17.63 886744 6252840 24368 Average: 9038590 13137404 2815910 17.20 170210 3991774 3117318 17.89 812978 6076578 20978 15:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:01 lo 724.74 724.74 690.48 690.48 0.00 0.00 0.00 0.00 16:00:01 ens3 118.86 91.08 921.17 18.76 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1564.29 1564.29 1491.39 1491.39 0.00 0.00 0.00 0.00 16:10:01 ens3 47.21 38.07 140.34 11.62 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1145.14 1145.14 1091.53 1091.53 0.00 0.00 0.00 0.00 Average: ens3 82.98 64.53 530.17 15.18 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-21245) 05/29/26 _x86_64_ (4 CPU) 15:47:19 LINUX RESTART (4 CPU) 15:50:03 CPU %user %nice %system %iowait %steal %idle 16:00:01 all 58.98 0.00 2.08 0.08 0.10 38.76 16:00:01 0 58.07 0.00 1.92 0.04 0.10 39.88 16:00:01 1 60.74 0.00 2.06 0.10 0.10 37.00 16:00:01 2 59.68 0.00 1.93 0.11 0.10 38.18 16:00:01 3 57.41 0.00 2.41 0.09 0.09 40.00 16:10:01 all 54.77 0.00 2.36 0.74 0.10 42.04 16:10:01 0 55.32 0.00 2.55 0.90 0.09 41.14 16:10:01 1 53.74 0.00 2.05 0.39 0.10 43.73 16:10:01 2 55.77 0.00 2.36 1.23 0.10 40.54 16:10:01 3 54.26 0.00 2.46 0.44 0.10 42.75 Average: all 56.87 0.00 2.22 0.41 0.10 40.40 Average: 0 56.69 0.00 2.24 0.47 0.10 40.51 Average: 1 57.24 0.00 2.05 0.24 0.10 40.37 Average: 2 57.73 0.00 2.15 0.67 0.10 39.36 Average: 3 55.83 0.00 2.44 0.26 0.10 41.37