---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1799 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 690 10412 4 4886 14956 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:7d:d6:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84234sec preferred_lft 84234sec inet6 fe80::f816:3eff:fe7d:d695/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:14:41:76:79:fe 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-1799) 08/03/26 _x86_64_ (4 CPU) 14:40:15 LINUX RESTART (4 CPU) 14:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:01 13.39 1.95 10.65 0.79 125.88 2685.21 1618.57 15:10:01 28.34 0.79 24.31 3.24 27.25 3489.92 5462.06 Average: 20.89 1.37 17.50 2.02 76.41 3088.85 3546.44 14:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:01 10780080 14091304 1868884 11.41 131180 3305128 2144596 12.31 557604 4644124 21980 15:10:01 8795756 13024428 2927628 17.88 170436 4102096 3540724 20.32 800468 6295756 2524 Average: 9787918 13557866 2398256 14.65 150808 3703612 2842660 16.32 679036 5469940 12252 14:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:01 lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 15:00:01 ens3 92.38 74.62 652.65 16.60 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1434.81 1434.81 1366.89 1366.89 0.00 0.00 0.00 0.00 15:10:01 ens3 80.58 63.56 401.01 17.56 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 720.21 720.21 685.67 685.67 0.00 0.00 0.00 0.00 Average: ens3 86.46 69.07 526.43 17.08 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-1799) 08/03/26 _x86_64_ (4 CPU) 14:40:15 LINUX RESTART (4 CPU) 14:50:04 CPU %user %nice %system %iowait %steal %idle 15:00:01 all 52.25 0.00 1.68 0.04 0.09 45.95 15:00:01 0 52.55 0.00 1.61 0.05 0.12 45.67 15:00:01 1 52.88 0.00 1.95 0.02 0.09 45.06 15:00:01 2 51.47 0.00 1.59 0.03 0.08 46.83 15:00:01 3 52.10 0.00 1.54 0.05 0.08 46.22 15:10:01 all 70.79 0.00 2.70 0.06 0.12 26.33 15:10:01 0 71.94 0.00 2.88 0.03 0.13 25.02 15:10:01 1 71.35 0.00 2.54 0.11 0.13 25.87 15:10:01 2 70.01 0.00 2.66 0.08 0.12 27.13 15:10:01 3 69.84 0.00 2.71 0.03 0.12 27.30 Average: all 61.54 0.00 2.19 0.05 0.11 36.11 Average: 0 62.28 0.00 2.25 0.04 0.12 35.31 Average: 1 62.14 0.00 2.25 0.07 0.11 35.44 Average: 2 60.77 0.00 2.13 0.05 0.10 36.95 Average: 3 60.99 0.00 2.13 0.04 0.10 36.74