---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2592 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 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 652 10467 4 4869 14994 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:ef:ee:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83831sec preferred_lft 83831sec inet6 fe80::f816:3eff:feef:eebf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:f2:6b:5a:0e:1a 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-2592) 08/06/26 _x86_64_ (4 CPU) 09:10:25 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 7.14 1.84 5.17 0.13 121.13 1406.25 262.35 09:40:11 11.60 0.43 10.11 1.06 17.52 2197.53 2184.32 09:50:01 28.66 0.64 23.77 4.24 25.08 4021.29 15290.10 Average: 15.70 0.97 12.94 1.79 54.54 2531.46 5838.93 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 11545720 14512860 1450824 8.86 117628 3009868 1904628 10.93 471524 4010520 32780 09:40:11 9376740 12999604 2958100 18.07 147452 3569444 3251572 18.66 635568 5942588 28908 09:50:01 10774600 15401240 549484 3.36 176872 4479132 1104696 6.34 902080 4187844 40 Average: 10565687 14304568 1652803 10.09 147317 3686148 2086965 11.98 669724 4713651 20576 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 09:30:01 ens3 68.01 55.53 681.02 8.37 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 09:40:11 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 09:40:11 ens3 68.56 52.72 94.47 16.96 0.00 0.00 0.00 0.00 09:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 1774.94 1774.94 1685.35 1685.35 0.00 0.00 0.00 0.00 09:50:01 ens3 100.92 83.74 439.37 88.89 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 582.29 582.29 552.42 552.42 0.00 0.00 0.00 0.00 Average: ens3 78.98 63.82 403.05 37.67 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-2592) 08/06/26 _x86_64_ (4 CPU) 09:10:25 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 11.96 0.00 0.49 0.26 0.04 87.25 09:30:01 0 11.54 0.00 0.41 0.71 0.04 87.30 09:30:01 1 11.70 0.00 0.67 0.15 0.05 87.43 09:30:01 2 12.59 0.00 0.31 0.04 0.04 87.03 09:30:01 3 12.01 0.00 0.57 0.14 0.04 87.25 09:40:11 all 71.70 0.00 2.31 0.32 0.14 25.53 09:40:11 0 71.00 0.00 2.28 0.43 0.14 26.15 09:40:11 1 72.24 0.00 2.23 0.53 0.14 24.86 09:40:11 2 69.87 0.00 2.13 0.13 0.14 27.73 09:40:11 3 73.71 0.00 2.59 0.16 0.14 23.39 09:50:01 all 52.01 0.00 2.44 0.11 0.11 45.33 09:50:01 0 50.37 0.00 2.29 0.07 0.11 47.17 09:50:01 1 48.84 0.00 2.18 0.13 0.11 48.74 09:50:01 2 53.61 0.00 2.56 0.13 0.11 43.58 09:50:01 3 55.22 0.00 2.72 0.10 0.12 41.83 Average: all 45.32 0.00 1.74 0.23 0.10 52.61 Average: 0 44.41 0.00 1.66 0.41 0.10 53.43 Average: 1 44.36 0.00 1.69 0.28 0.10 53.58 Average: 2 45.46 0.00 1.67 0.10 0.10 52.67 Average: 3 47.07 0.00 1.96 0.13 0.10 50.74