---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-36182 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 16G 62G 21% / 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 737 5999 3 9252 14909 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:41:58:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83292sec preferred_lft 83292sec inet6 fe80::f816:3eff:fe41:5834/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:d0:3a:76:56:12 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 inet6 fe80::98d0:3aff:fe76:5612/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-16g-36182) 08/12/26 _x86_64_ (4 CPU) 10:18:07 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:01 106.54 8.73 93.15 4.66 1016.89 31075.61 9699.83 10:40:12 9.19 0.49 8.23 0.46 27.50 293.91 902.65 10:50:01 8.20 0.01 7.73 0.47 0.04 280.66 741.89 11:00:01 15.82 0.74 14.11 0.96 9.03 1874.17 589.38 Average: 34.91 2.49 30.79 1.64 263.24 8373.16 2981.90 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:01 171076 9150904 6776668 41.39 231024 8573624 8838980 50.74 1960200 13514412 760 10:40:12 1869160 10053012 5875604 35.89 231968 7788008 6920252 39.72 2024244 11757636 468 10:50:01 1460832 9661796 6265804 38.27 233692 7803420 7006196 40.22 2030844 12152296 52 11:00:01 999596 9662476 6263052 38.25 248024 8230020 6900808 39.61 2098788 12528744 368 Average: 1125166 9632047 6295282 38.45 236177 8098768 7416559 42.57 2028519 12488272 412 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:01 lo 3.28 3.28 2.36 2.36 0.00 0.00 0.00 0.00 10:30:01 ens3 120.50 94.38 1809.35 10.39 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 10:40:12 lo 17.73 17.73 10.74 10.74 0.00 0.00 0.00 0.00 10:40:12 ens3 0.93 0.53 0.25 0.17 0.00 0.00 0.00 0.00 10:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 10.95 10.95 7.19 7.19 0.00 0.00 0.00 0.00 10:50:01 ens3 1.43 0.71 0.45 0.30 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 14.05 14.05 7.16 7.16 0.00 0.00 0.00 0.00 11:00:01 ens3 1.46 1.20 0.48 1.72 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 11.54 11.54 6.88 6.88 0.00 0.00 0.00 0.00 Average: ens3 31.05 24.18 452.16 3.14 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-16g-36182) 08/12/26 _x86_64_ (4 CPU) 10:18:07 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:01 all 42.35 0.00 2.42 4.74 0.12 50.37 10:30:01 0 39.02 0.00 2.45 4.96 0.12 53.46 10:30:01 1 45.17 0.00 2.45 5.02 0.11 47.25 10:30:01 2 45.57 0.00 2.56 5.76 0.12 45.99 10:30:01 3 39.63 0.00 2.24 3.20 0.13 54.81 10:40:12 all 18.37 0.00 0.71 0.05 0.12 80.75 10:40:12 0 18.25 0.00 0.71 0.03 0.11 80.90 10:40:12 1 18.85 0.00 0.75 0.12 0.12 80.16 10:40:12 2 18.10 0.00 0.80 0.05 0.12 80.94 10:40:12 3 18.29 0.00 0.58 0.02 0.11 80.99 10:50:01 all 17.59 0.00 0.76 0.05 0.11 81.50 10:50:01 0 18.14 0.00 0.75 0.04 0.11 80.97 10:50:01 1 16.75 0.00 0.79 0.04 0.12 82.30 10:50:01 2 17.32 0.00 0.67 0.05 0.11 81.85 10:50:01 3 18.13 0.00 0.83 0.06 0.11 80.87 11:00:01 all 17.76 0.00 0.82 4.16 0.12 77.14 11:00:01 0 18.17 0.00 0.87 3.53 0.11 77.32 11:00:01 1 17.72 0.00 0.81 3.01 0.12 78.34 11:00:01 2 18.46 0.00 0.81 6.21 0.12 74.40 11:00:01 3 16.69 0.00 0.79 3.90 0.12 78.51 Average: all 24.02 0.00 1.18 2.25 0.12 72.44 Average: 0 23.39 0.00 1.19 2.14 0.11 73.17 Average: 1 24.63 0.00 1.20 2.05 0.12 72.00 Average: 2 24.86 0.00 1.21 3.01 0.12 70.79 Average: 3 23.18 0.00 1.11 1.79 0.12 73.80