---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12021 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 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 695 10431 4 4861 14950 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:93:12:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84643sec preferred_lft 84643sec inet6 fe80::f816:3eff:fe93:1209/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:6d:4a:1e:3e:a1 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-12021) 05/08/26 _x86_64_ (4 CPU) 12:54:01 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:40 20.17 0.74 17.81 1.63 26.47 3280.82 3443.35 13:20:09 20.11 0.42 16.08 3.61 14.35 2260.98 3386.56 Average: 20.14 0.59 16.99 2.56 20.76 2800.52 3416.61 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:40 8968244 13199772 2753288 16.82 163736 4126176 2993944 17.19 824676 6118248 104328 13:20:09 10783712 15402120 548856 3.35 172856 4482324 1124140 6.45 962324 4142680 176 Average: 9875978 14300946 1651072 10.08 168296 4304250 2059042 11.82 893500 5130464 52252 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:40 lo 441.61 441.61 420.03 420.03 0.00 0.00 0.00 0.00 13:10:40 ens3 81.02 61.21 310.24 18.65 0.00 0.00 0.00 0.00 13:10:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:09 lo 1299.55 1299.55 1229.51 1229.51 0.00 0.00 0.00 0.00 13:20:09 ens3 65.31 63.81 130.08 107.05 0.00 0.00 0.00 0.00 13:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 845.66 845.66 801.26 801.26 0.00 0.00 0.00 0.00 Average: ens3 73.62 62.43 225.39 60.28 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-12021) 05/08/26 _x86_64_ (4 CPU) 12:54:01 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:40 all 70.66 0.00 2.41 0.09 0.11 26.74 13:10:40 0 71.94 0.00 2.48 0.05 0.11 25.42 13:10:40 1 69.20 0.00 2.29 0.18 0.11 28.23 13:10:40 2 70.25 0.00 2.26 0.01 0.11 27.36 13:10:40 3 71.22 0.00 2.62 0.10 0.11 25.94 13:20:09 all 30.49 0.00 1.49 0.06 0.06 67.90 13:20:09 0 27.55 0.00 1.50 0.08 0.05 70.82 13:20:09 1 34.57 0.00 1.54 0.08 0.07 63.74 13:20:09 2 27.46 0.00 1.25 0.05 0.07 71.18 13:20:09 3 32.37 0.00 1.66 0.04 0.06 65.87 Average: all 51.72 0.00 1.98 0.07 0.09 46.14 Average: 0 51.02 0.00 2.02 0.06 0.08 46.82 Average: 1 52.88 0.00 1.93 0.13 0.09 44.97 Average: 2 50.08 0.00 1.78 0.03 0.09 48.02 Average: 3 52.91 0.00 2.17 0.07 0.09 44.76