---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20922 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 696 10145 4 5147 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:4e:36:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84447sec preferred_lft 84447sec inet6 fe80::f816:3eff:fe4e:36ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:26:db:f1:b6:18 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-20922) 05/28/26 _x86_64_ (4 CPU) 08:53:30 LINUX RESTART (4 CPU) 09:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:01 11.94 1.98 9.13 0.82 128.63 2747.34 2113.17 09:20:20 27.16 0.75 23.03 3.38 27.25 4107.67 4729.16 Average: 19.79 1.35 16.30 2.14 76.34 3449.03 3462.57 09:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 10458324 14111332 1847636 11.28 133408 3641288 2473948 14.20 750368 4780076 22912 09:20:20 8070452 12869824 3080460 18.81 171208 4665768 3624884 20.81 1061496 6755912 12076 Average: 9264388 13490578 2464048 15.05 152308 4153528 3049416 17.50 905932 5767994 17494 09:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 09:10:01 ens3 85.80 69.10 602.69 17.02 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:20 lo 1539.09 1539.09 1467.19 1467.19 0.00 0.00 0.00 0.00 09:20:20 ens3 84.82 63.88 415.64 17.66 0.00 0.00 0.00 0.00 09:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 794.41 794.41 756.87 756.87 0.00 0.00 0.00 0.00 Average: ens3 85.29 66.41 506.21 17.35 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-20922) 05/28/26 _x86_64_ (4 CPU) 08:53:30 LINUX RESTART (4 CPU) 09:00:19 CPU %user %nice %system %iowait %steal %idle 09:10:01 all 51.53 0.00 1.71 0.05 0.09 46.62 09:10:01 0 50.51 0.00 1.52 0.02 0.09 47.87 09:10:01 1 52.04 0.00 1.73 0.07 0.09 46.07 09:10:01 2 53.66 0.00 2.08 0.09 0.09 44.09 09:10:01 3 49.91 0.00 1.52 0.02 0.08 48.46 09:20:20 all 67.64 0.00 2.65 0.09 0.10 29.52 09:20:20 0 67.12 0.00 2.71 0.07 0.10 30.00 09:20:20 1 66.72 0.00 2.54 0.12 0.10 30.52 09:20:20 2 69.73 0.00 2.67 0.08 0.10 27.42 09:20:20 3 66.99 0.00 2.68 0.07 0.10 30.16 Average: all 59.83 0.00 2.19 0.07 0.09 37.81 Average: 0 59.07 0.00 2.13 0.05 0.09 38.65 Average: 1 59.61 0.00 2.15 0.10 0.09 38.06 Average: 2 61.94 0.00 2.38 0.08 0.09 35.50 Average: 3 58.71 0.00 2.12 0.05 0.09 39.03