---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37748 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: 5599.86 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 733 10431 4 4824 14913 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:a7:25:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84581sec preferred_lft 84581sec inet6 fe80::f816:3eff:fea7:2565/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:a6:34:9e:f5:70 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-37748) 07/22/26 _x86_64_ (4 CPU) 09:48:40 LINUX RESTART (4 CPU) 09:50:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:02 16.93 2.96 13.31 0.65 167.47 3822.98 1588.88 10:10:01 19.27 0.78 16.39 2.10 28.07 3225.18 3113.83 Average: 18.12 1.85 14.88 1.39 96.30 3517.76 2367.46 09:50:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:02 10562940 13788900 2172236 13.27 125296 3233276 2573984 14.77 531756 4913328 33192 10:10:01 8863552 13076612 2875888 17.56 162788 4101764 3024500 17.36 761760 6288744 105680 Average: 9713246 13432756 2524062 15.42 144042 3667520 2799242 16.07 646758 5601036 69436 09:50:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:02 lo 0.85 0.85 0.08 0.08 0.00 0.00 0.00 0.00 10:00:02 ens3 86.99 70.89 750.99 15.82 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 857.42 857.42 816.85 816.85 0.00 0.00 0.00 0.00 10:10:01 ens3 86.87 63.78 330.48 17.73 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 438.18 438.18 417.09 417.09 0.00 0.00 0.00 0.00 Average: ens3 86.93 67.26 536.30 16.79 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-37748) 07/22/26 _x86_64_ (4 CPU) 09:48:40 LINUX RESTART (4 CPU) 09:50:29 CPU %user %nice %system %iowait %steal %idle 10:00:02 all 40.49 0.00 1.33 0.06 0.06 58.06 10:00:02 0 39.85 0.00 1.39 0.08 0.06 58.62 10:00:02 1 40.19 0.00 1.11 0.03 0.06 58.60 10:00:02 2 43.04 0.00 1.34 0.07 0.06 55.49 10:00:02 3 38.87 0.00 1.49 0.06 0.07 59.50 10:10:01 all 70.39 0.00 2.57 0.04 0.10 26.90 10:10:01 0 68.93 0.00 2.45 0.05 0.10 28.46 10:10:01 1 70.26 0.00 2.41 0.04 0.10 27.20 10:10:01 2 71.82 0.00 2.53 0.03 0.10 25.51 10:10:01 3 70.55 0.00 2.87 0.04 0.10 26.44 Average: all 55.74 0.00 1.96 0.05 0.08 42.16 Average: 0 54.68 0.00 1.93 0.06 0.08 43.24 Average: 1 55.53 0.00 1.77 0.04 0.08 42.58 Average: 2 57.72 0.00 1.95 0.05 0.08 40.19 Average: 3 55.02 0.00 2.20 0.05 0.09 42.65