---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27583 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 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 765 9183 4 6040 14881 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:69:16:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84586sec preferred_lft 84586sec inet6 fe80::f816:3eff:fe69:16c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:c6:db:e4:cd:b3 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-27583) 06/15/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:13 43.67 1.11 26.76 15.80 615.03 4599.19 256758.26 13:00:13 31.47 0.03 28.47 2.97 1.29 6026.15 13642.41 Average: 37.63 0.58 27.60 9.45 311.30 5305.38 136442.60 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:13 8530280 12870808 3082668 18.83 164520 4244040 3381428 19.41 963936 6430116 174204 13:00:13 7370932 12953876 2993824 18.29 189724 5397140 3161100 18.14 1233008 7254356 25852 Average: 7950606 12912342 3038246 18.56 177122 4820590 3271264 18.78 1098472 6842236 100028 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:13 lo 1173.44 1173.44 1118.26 1118.26 0.00 0.00 0.00 0.00 12:50:13 ens3 76.02 56.76 507.21 14.63 0.00 0.00 0.00 0.00 12:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:13 lo 986.65 986.65 939.56 939.56 0.00 0.00 0.00 0.00 13:00:13 ens3 55.43 43.52 234.06 12.57 0.00 0.00 0.00 0.00 13:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1081.00 1081.00 1029.82 1029.82 0.00 0.00 0.00 0.00 Average: ens3 65.83 50.21 372.03 13.61 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-27583) 06/15/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:13 all 65.00 0.00 2.38 0.17 0.10 32.34 12:50:13 0 65.46 0.00 2.25 0.17 0.10 32.01 12:50:13 1 67.01 0.00 2.54 0.15 0.10 30.20 12:50:13 2 66.09 0.00 2.53 0.16 0.10 31.11 12:50:13 3 61.44 0.00 2.21 0.18 0.10 36.06 13:00:13 all 57.00 0.00 2.24 0.13 0.09 40.54 13:00:13 0 56.87 0.00 2.31 0.18 0.09 40.56 13:00:13 1 60.78 0.00 2.61 0.17 0.09 36.35 13:00:13 2 56.39 0.00 2.17 0.09 0.09 41.25 13:00:13 3 53.94 0.00 1.85 0.10 0.09 44.02 Average: all 61.04 0.00 2.31 0.15 0.10 36.40 Average: 0 61.21 0.00 2.28 0.17 0.10 36.24 Average: 1 63.93 0.00 2.58 0.16 0.10 33.24 Average: 2 61.29 0.00 2.36 0.13 0.10 36.13 Average: 3 57.73 0.00 2.03 0.14 0.09 40.00