---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9406 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 9.1G 69G 12% / 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 1032 11465 4 3492 14614 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:1f:43:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82706sec preferred_lft 82706sec inet6 fe80::f816:3eff:fe1f:433b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:fd:fb:c1:9c:99 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-9406) 04/28/26 _x86_64_ (4 CPU) 16:00:29 LINUX RESTART (4 CPU) 16:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:01 1.94 0.01 1.93 0.00 0.05 22.76 0.13 16:30:06 1.47 0.00 1.47 0.00 0.00 17.34 0.00 16:40:01 13.69 11.98 1.71 0.01 132.65 31.64 0.11 16:50:01 14.98 0.00 1.64 13.33 0.15 18.37 238871.27 17:00:06 1.82 0.00 1.82 0.00 0.00 21.18 0.00 Average: 6.75 2.37 1.71 2.66 26.28 22.23 47703.87 16:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:01 10636004 13780128 2182704 13.33 122528 3185756 2474372 14.20 510568 4854900 232 16:30:06 10634360 13778956 2184020 13.34 122916 3185768 2474292 14.20 510996 4854672 224 16:40:01 10583644 13784556 2177580 13.30 125548 3225324 2474488 14.20 548524 4859424 28 16:50:01 10578980 13785244 2176948 13.30 126244 3229960 2474616 14.20 553888 4859944 224 17:00:06 10578392 13785292 2176760 13.29 126780 3230024 2474680 14.20 554432 4859888 52 Average: 10602276 13782835 2179602 13.31 124803 3211366 2474490 14.20 535682 4857766 152 16:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 16:20:01 ens3 0.48 0.12 0.08 0.04 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:06 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 16:30:06 ens3 0.38 0.08 0.05 0.02 0.00 0.00 0.00 0.00 16:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:01 lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 16:40:01 ens3 0.41 0.11 0.08 0.04 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 16:50:01 ens3 0.31 0.09 0.05 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 17:00:06 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 17:00:06 ens3 0.32 0.11 0.07 0.04 0.00 0.00 0.00 0.00 17:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 0.38 0.10 0.07 0.03 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-9406) 04/28/26 _x86_64_ (4 CPU) 16:00:29 LINUX RESTART (4 CPU) 16:10:01 CPU %user %nice %system %iowait %steal %idle 16:20:01 all 0.17 0.00 0.05 0.01 0.03 99.73 16:20:01 0 0.04 0.00 0.03 0.01 0.03 99.90 16:20:01 1 0.23 0.00 0.04 0.01 0.04 99.69 16:20:01 2 0.37 0.00 0.07 0.02 0.05 99.49 16:20:01 3 0.06 0.00 0.05 0.02 0.03 99.85 16:30:06 all 0.23 0.00 0.05 0.00 0.04 99.68 16:30:06 0 0.03 0.00 0.02 0.00 0.01 99.93 16:30:06 1 0.70 0.00 0.08 0.01 0.05 99.16 16:30:06 2 0.15 0.00 0.07 0.00 0.05 99.73 16:30:06 3 0.05 0.00 0.03 0.01 0.02 99.89 16:40:01 all 0.13 0.08 0.07 0.08 0.03 99.60 16:40:01 0 0.03 0.32 0.10 0.30 0.03 99.22 16:40:01 1 0.10 0.00 0.07 0.03 0.04 99.77 16:40:01 2 0.32 0.00 0.05 0.00 0.04 99.59 16:40:01 3 0.08 0.00 0.06 0.00 0.04 99.82 16:50:01 all 0.16 0.00 0.05 0.03 0.03 99.73 16:50:01 0 0.02 0.00 0.04 0.08 0.02 99.85 16:50:01 1 0.07 0.00 0.06 0.01 0.04 99.84 16:50:01 2 0.46 0.00 0.07 0.02 0.05 99.41 16:50:01 3 0.09 0.00 0.05 0.00 0.04 99.82 17:00:06 all 0.12 0.00 0.05 0.01 0.03 99.80 17:00:06 0 0.03 0.00 0.03 0.00 0.01 99.92 17:00:06 1 0.10 0.00 0.07 0.00 0.07 99.76 17:00:06 2 0.28 0.00 0.05 0.02 0.03 99.62 17:00:06 3 0.05 0.00 0.05 0.00 0.01 99.89 Average: all 0.16 0.02 0.05 0.03 0.03 99.71 Average: 0 0.03 0.06 0.04 0.08 0.02 99.76 Average: 1 0.24 0.00 0.06 0.01 0.05 99.64 Average: 2 0.31 0.00 0.06 0.01 0.04 99.57 Average: 3 0.07 0.00 0.05 0.01 0.03 99.85