---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30870 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 11G 68G 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 705 10466 4 4817 14941 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:d8:ed:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84599sec preferred_lft 84599sec inet6 fe80::f816:3eff:fed8:edd5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:d8:0d:0c:39:bc 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-30870) 06/26/26 _x86_64_ (4 CPU) 14:20:41 LINUX RESTART (4 CPU) 14:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:13 24.15 0.46 9.37 14.32 17.87 2119.34 236747.87 14:50:02 32.51 0.74 27.42 4.35 26.62 3661.58 11737.66 Average: 28.26 0.60 18.23 9.43 22.16 2876.44 126289.13 14:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:13 9993700 13689104 2266752 13.84 150796 3631372 2461012 14.13 664588 5280876 25408 14:50:02 10781264 15357564 592348 3.62 174284 4432728 1073132 6.16 910424 4169264 14776 Average: 10387482 14523334 1429550 8.73 162540 4032050 1767072 10.14 787506 4725070 20092 14:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:13 lo 1.48 1.48 0.15 0.15 0.00 0.00 0.00 0.00 14:40:13 ens3 72.89 55.15 53.22 17.83 0.00 0.00 0.00 0.00 14:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:02 lo 1809.54 1809.54 1712.10 1712.10 0.00 0.00 0.00 0.00 14:50:02 ens3 125.89 111.27 421.23 192.73 0.00 0.00 0.00 0.00 14:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 889.06 889.06 840.56 840.56 0.00 0.00 0.00 0.00 Average: ens3 98.91 82.70 233.88 103.69 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-30870) 06/26/26 _x86_64_ (4 CPU) 14:20:41 LINUX RESTART (4 CPU) 14:30:01 CPU %user %nice %system %iowait %steal %idle 14:40:13 all 71.74 0.00 2.26 0.04 0.12 25.83 14:40:13 0 68.88 0.00 2.10 0.04 0.12 28.85 14:40:13 1 73.50 0.00 2.18 0.06 0.12 24.15 14:40:13 2 71.79 0.00 2.33 0.04 0.12 25.73 14:40:13 3 72.81 0.00 2.42 0.03 0.12 24.60 14:50:02 all 39.68 0.00 2.02 0.26 0.08 57.96 14:50:02 0 39.04 0.00 2.28 0.11 0.08 58.48 14:50:02 1 37.05 0.00 1.85 0.56 0.07 60.47 14:50:02 2 41.68 0.00 1.97 0.24 0.08 56.04 14:50:02 3 40.95 0.00 1.98 0.15 0.08 56.84 Average: all 56.00 0.00 2.14 0.15 0.10 41.60 Average: 0 54.23 0.00 2.19 0.08 0.10 43.40 Average: 1 55.60 0.00 2.02 0.30 0.10 41.98 Average: 2 57.00 0.00 2.15 0.14 0.10 40.61 Average: 3 57.17 0.00 2.21 0.09 0.10 40.43