---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3454 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 8.7G 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 607 12472 4 2908 15048 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:fd:b6:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82704sec preferred_lft 82704sec inet6 fe80::f816:3eff:fefd:b634/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:d5:39:13:96:32 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3454) 08/08/26 _x86_64_ (4 CPU) 09:46:54 LINUX RESTART (4 CPU) 09:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:05 17.85 0.23 4.12 13.50 27.55 775.54 260302.43 10:10:05 1.42 0.01 1.41 0.00 0.04 17.32 0.01 10:20:01 1.85 0.00 1.85 0.00 0.01 21.15 0.00 10:30:05 1.49 0.00 1.49 0.00 0.00 17.61 0.00 10:40:05 1.85 0.00 1.85 0.00 0.00 21.35 0.00 Average: 4.91 0.05 2.15 2.72 5.55 171.50 52373.77 09:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:05 12821768 15438484 539316 3.29 93516 2715852 1153224 6.62 307900 2918880 188 10:10:05 12818780 15436236 541604 3.31 94084 2716024 1154124 6.62 308628 2924564 208 10:20:01 12817028 15435380 542412 3.31 94964 2716032 1154188 6.63 309504 2926316 16 10:30:05 12815264 15434272 543564 3.32 95596 2716044 1154316 6.63 310172 2927872 184 10:40:05 12814256 15434136 543780 3.32 96480 2716052 1154380 6.63 311020 2929708 192 Average: 12817419 15435702 542135 3.31 94928 2716001 1154046 6.62 309445 2925468 158 09:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:05 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:00:05 ens3 15.85 6.30 322.24 0.48 0.00 0.00 0.00 0.00 10:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:10:05 ens3 0.24 0.12 0.10 0.02 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:20:01 ens3 0.26 0.14 0.08 0.04 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:30:05 ens3 0.23 0.10 0.05 0.02 0.00 0.00 0.00 0.00 10:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:40:05 ens3 0.32 0.13 0.09 0.05 0.00 0.00 0.00 0.00 10:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 3.40 1.37 64.90 0.12 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3454) 08/08/26 _x86_64_ (4 CPU) 09:46:54 LINUX RESTART (4 CPU) 09:50:01 CPU %user %nice %system %iowait %steal %idle 10:00:05 all 0.46 0.00 0.13 0.07 0.02 99.33 10:00:05 0 0.64 0.00 0.10 0.02 0.01 99.23 10:00:05 1 0.38 0.00 0.14 0.14 0.02 99.33 10:00:05 2 0.52 0.00 0.12 0.04 0.02 99.30 10:00:05 3 0.30 0.00 0.16 0.07 0.02 99.45 10:10:05 all 0.09 0.00 0.04 0.01 0.02 99.85 10:10:05 0 0.17 0.00 0.03 0.00 0.01 99.79 10:10:05 1 0.06 0.00 0.05 0.00 0.02 99.87 10:10:05 2 0.04 0.00 0.02 0.01 0.01 99.92 10:10:05 3 0.08 0.00 0.06 0.01 0.03 99.83 10:20:01 all 0.16 0.00 0.04 0.01 0.02 99.77 10:20:01 0 0.47 0.00 0.06 0.01 0.03 99.43 10:20:01 1 0.03 0.00 0.04 0.00 0.02 99.91 10:20:01 2 0.03 0.00 0.03 0.02 0.02 99.91 10:20:01 3 0.10 0.00 0.04 0.00 0.02 99.84 10:30:05 all 0.07 0.00 0.03 0.01 0.02 99.88 10:30:05 0 0.04 0.00 0.02 0.00 0.01 99.92 10:30:05 1 0.16 0.00 0.02 0.00 0.02 99.79 10:30:05 2 0.04 0.00 0.03 0.02 0.02 99.89 10:30:05 3 0.04 0.00 0.03 0.00 0.02 99.91 10:40:05 all 0.07 0.00 0.04 0.01 0.02 99.86 10:40:05 0 0.05 0.00 0.04 0.00 0.02 99.90 10:40:05 1 0.18 0.00 0.06 0.02 0.03 99.73 10:40:05 2 0.04 0.00 0.03 0.01 0.02 99.90 10:40:05 3 0.03 0.00 0.03 0.00 0.01 99.93 Average: all 0.17 0.00 0.06 0.02 0.02 99.74 Average: 0 0.27 0.00 0.05 0.01 0.02 99.65 Average: 1 0.16 0.00 0.06 0.03 0.02 99.73 Average: 2 0.13 0.00 0.05 0.02 0.02 99.78 Average: 3 0.11 0.00 0.07 0.02 0.02 99.79