---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2047 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 622 10785 4 4580 15023 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:4d:89:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83780sec preferred_lft 83780sec inet6 fe80::f816:3eff:fe4d:8900/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:a3:2b:ad:e4:92 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-2047) 08/04/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 2.02 0.01 2.01 0.01 0.04 34.78 0.99 09:40:02 7.63 1.92 5.50 0.22 123.71 1659.10 673.71 09:50:01 10.60 0.45 9.12 1.03 17.44 2072.81 2647.20 Average: 6.75 0.79 5.54 0.42 47.18 1255.88 1106.21 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 12808568 15493448 476520 2.91 104100 2766756 1009800 5.80 360812 2855976 300 09:40:02 10930580 14168248 1793476 10.95 124488 3259668 2199728 12.63 510132 4572632 28352 09:50:01 9636216 13470644 2485176 15.18 153128 3768704 2723952 15.64 665992 5648028 21076 Average: 11125121 14377447 1585057 9.68 127239 3265043 1977827 11.35 512312 4358879 16576 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:01 ens3 9.44 7.72 127.79 0.90 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:02 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 09:40:02 ens3 56.63 45.46 617.71 8.15 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 09:50:01 ens3 62.75 47.37 92.30 15.99 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.61 0.61 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 42.95 33.53 279.80 8.34 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-2047) 08/04/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 0.12 0.00 0.04 0.20 0.01 99.63 09:30:01 0 0.03 0.00 0.01 0.03 0.00 99.93 09:30:01 1 0.03 0.00 0.03 0.20 0.02 99.72 09:30:01 2 0.16 0.00 0.04 0.05 0.01 99.74 09:30:01 3 0.26 0.00 0.10 0.50 0.01 99.13 09:40:02 all 20.88 0.00 0.79 0.04 0.05 78.24 09:40:02 0 20.56 0.00 0.79 0.01 0.05 78.59 09:40:02 1 21.00 0.00 0.72 0.06 0.05 78.17 09:40:02 2 20.33 0.00 0.82 0.02 0.05 78.78 09:40:02 3 21.62 0.00 0.82 0.08 0.05 77.42 09:50:01 all 71.87 0.00 2.31 0.02 0.14 25.65 09:50:01 0 73.57 0.00 2.61 0.02 0.15 23.65 09:50:01 1 69.96 0.00 2.10 0.03 0.14 27.77 09:50:01 2 74.43 0.00 2.48 0.03 0.15 22.91 09:50:01 3 69.52 0.00 2.05 0.02 0.14 28.26 Average: all 30.91 0.00 1.05 0.09 0.07 67.88 Average: 0 31.32 0.00 1.14 0.02 0.07 67.45 Average: 1 30.32 0.00 0.95 0.10 0.07 68.57 Average: 2 31.60 0.00 1.11 0.03 0.07 67.19 Average: 3 30.42 0.00 0.99 0.20 0.07 68.32