---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20755 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 8.5G 69G 11% / 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 691 12525 4 2771 14968 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:f1:45:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83177sec preferred_lft 83177sec inet6 fe80::f816:3eff:fef1:4593/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:01:31:1c:13:97 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-20755) 05/27/26 _x86_64_ (4 CPU) 16:16:40 LINUX RESTART (4 CPU) 16:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:09 2.73 0.25 2.34 0.14 208.76 271.47 237.14 16:40:09 1.24 0.01 1.23 0.00 0.04 14.39 0.00 16:50:01 1.17 0.00 1.17 0.00 0.00 13.27 0.00 17:00:09 1.21 0.00 1.21 0.00 0.00 14.00 0.00 17:10:06 14.65 1.45 12.12 1.07 112.49 1180.06 199.74 Average: 4.19 0.34 3.61 0.24 64.20 297.54 87.23 16:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:09 13640160 15528168 488364 2.98 55804 2057840 1158004 6.65 263580 2217560 196 16:40:09 13639432 15527868 488796 2.99 56184 2057852 1158004 6.65 263960 2218380 32 16:50:01 13639224 15528056 488532 2.98 56568 2057860 1158004 6.65 264320 2218812 4 17:00:09 13634464 15523804 492808 3.01 56912 2057996 1166260 6.69 264688 2224064 28 17:10:06 12952724 15405344 577088 3.52 92856 2556028 1183112 6.79 344148 2757044 253264 Average: 13501201 15502648 507118 3.10 63665 2157515 1164677 6.69 280139 2327172 50705 16:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:09 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 16:30:09 ens3 3.16 1.58 59.18 0.17 0.00 0.00 0.00 0.00 16:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:40:09 ens3 0.32 0.11 0.07 0.04 0.00 0.00 0.00 0.00 16:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:50:01 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:09 ens3 0.36 0.35 0.08 0.55 0.00 0.00 0.00 0.00 17:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:06 lo 0.25 0.25 0.03 0.03 0.00 0.00 0.00 0.00 17:10:06 ens3 26.05 18.55 224.58 4.61 0.00 0.00 0.00 0.00 17:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 6.00 4.11 56.58 1.07 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-20755) 05/27/26 _x86_64_ (4 CPU) 16:16:40 LINUX RESTART (4 CPU) 16:20:09 CPU %user %nice %system %iowait %steal %idle 16:30:09 all 0.09 0.00 0.05 0.03 0.02 99.81 16:30:09 0 0.06 0.00 0.04 0.01 0.01 99.88 16:30:09 1 0.05 0.00 0.04 0.09 0.02 99.81 16:30:09 2 0.09 0.00 0.05 0.02 0.03 99.82 16:30:09 3 0.16 0.00 0.07 0.03 0.02 99.72 16:40:09 all 0.16 0.00 0.02 0.01 0.02 99.78 16:40:09 0 0.05 0.00 0.01 0.01 0.01 99.92 16:40:09 1 0.16 0.00 0.04 0.00 0.04 99.76 16:40:09 2 0.04 0.00 0.03 0.01 0.02 99.91 16:40:09 3 0.42 0.00 0.02 0.00 0.01 99.55 16:50:01 all 0.11 0.00 0.03 0.01 0.02 99.83 16:50:01 0 0.10 0.00 0.02 0.02 0.03 99.83 16:50:01 1 0.03 0.00 0.04 0.00 0.03 99.91 16:50:01 2 0.25 0.00 0.03 0.00 0.02 99.70 16:50:01 3 0.07 0.00 0.02 0.00 0.02 99.89 17:00:09 all 0.21 0.00 0.03 0.01 0.02 99.74 17:00:09 0 0.74 0.00 0.04 0.02 0.03 99.17 17:00:09 1 0.02 0.00 0.01 0.00 0.02 99.95 17:00:09 2 0.02 0.00 0.03 0.01 0.02 99.92 17:00:09 3 0.05 0.00 0.02 0.00 0.01 99.91 17:10:06 all 2.58 0.00 0.24 0.18 0.03 96.98 17:10:06 0 2.28 0.00 0.17 0.21 0.03 97.32 17:10:06 1 2.85 0.00 0.28 0.05 0.02 96.81 17:10:06 2 2.81 0.00 0.29 0.40 0.04 96.45 17:10:06 3 2.38 0.00 0.23 0.05 0.03 97.32 Average: all 0.63 0.00 0.07 0.05 0.02 99.23 Average: 0 0.65 0.00 0.06 0.05 0.02 99.22 Average: 1 0.62 0.00 0.08 0.03 0.02 99.25 Average: 2 0.64 0.00 0.08 0.09 0.03 99.16 Average: 3 0.61 0.00 0.07 0.02 0.02 99.28