---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3502 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: 5600.00 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 715 10402 4 4871 14931 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:e5:42:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83711sec preferred_lft 83711sec inet6 fe80::f816:3eff:fee5:423d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:4c:a0:fe:21:6b 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-3502) 08/08/26 _x86_64_ (4 CPU) 17:28:53 LINUX RESTART (4 CPU) 17:30:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:30 8.78 0.91 7.56 0.31 37.86 1589.01 590.34 17:50:01 20.88 1.94 4.99 13.96 127.32 1406.20 252787.97 18:00:30 10.56 0.43 9.10 1.03 17.14 2197.46 2719.46 18:10:26 31.20 0.64 26.35 4.22 24.81 4007.19 2748.58 Average: 17.71 0.96 12.02 4.72 50.50 2306.14 61768.73 17:30:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:30 12982288 15478132 496616 3.03 98332 2586680 986820 5.66 338596 2718288 144 17:50:01 11473628 14418108 1545960 9.44 117172 2990308 1972060 11.32 469880 4095952 24744 18:00:30 9555684 13183468 2774148 16.94 148028 3573448 3036504 17.43 641508 5761468 27864 18:10:26 10736876 15364832 585988 3.58 174824 4482660 1095620 6.29 905168 4223716 12 Average: 11187119 14611135 1350678 8.25 134589 3408274 1772751 10.18 588788 4199856 13191 17:30:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:30 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 17:40:30 ens3 22.00 17.12 250.46 3.07 0.00 0.00 0.00 0.00 17:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 17:50:01 ens3 71.71 57.44 757.43 8.47 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:30 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 18:00:30 ens3 64.86 49.84 91.49 16.43 0.00 0.00 0.00 0.00 18:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:26 lo 1797.18 1797.18 1706.91 1706.91 0.00 0.00 0.00 0.00 18:10:26 ens3 95.83 80.32 433.11 86.09 0.00 0.00 0.00 0.00 18:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 447.37 447.37 424.50 424.50 0.00 0.00 0.00 0.00 Average: ens3 63.43 51.01 375.02 28.50 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-3502) 08/08/26 _x86_64_ (4 CPU) 17:28:53 LINUX RESTART (4 CPU) 17:30:27 CPU %user %nice %system %iowait %steal %idle 17:40:30 all 1.11 0.00 0.14 0.05 0.03 98.67 17:40:30 0 0.77 0.00 0.16 0.02 0.02 99.03 17:40:30 1 2.11 0.00 0.20 0.06 0.04 97.59 17:40:30 2 0.68 0.00 0.09 0.01 0.02 99.19 17:40:30 3 0.87 0.00 0.13 0.10 0.03 98.86 17:50:01 all 9.11 0.00 0.40 0.05 0.04 90.39 17:50:01 0 9.61 0.00 0.55 0.03 0.05 89.76 17:50:01 1 8.83 0.00 0.33 0.03 0.04 90.78 17:50:01 2 8.85 0.00 0.39 0.15 0.02 90.60 17:50:01 3 9.16 0.00 0.35 0.01 0.05 90.44 18:00:30 all 72.60 0.00 2.41 0.03 0.08 24.88 18:00:30 0 71.01 0.00 2.62 0.03 0.08 26.26 18:00:30 1 73.11 0.00 2.38 0.01 0.08 24.43 18:00:30 2 70.71 0.00 2.21 0.04 0.07 26.97 18:00:30 3 75.57 0.00 2.44 0.03 0.07 21.89 18:10:26 all 52.14 0.00 2.57 0.08 0.07 45.14 18:10:26 0 49.97 0.00 2.41 0.09 0.07 47.46 18:10:26 1 54.53 0.00 2.76 0.05 0.08 42.58 18:10:26 2 52.71 0.00 2.37 0.06 0.07 44.78 18:10:26 3 51.34 0.00 2.71 0.11 0.07 45.76 Average: all 34.40 0.00 1.40 0.05 0.05 64.09 Average: 0 33.47 0.00 1.46 0.04 0.06 64.98 Average: 1 35.33 0.00 1.44 0.04 0.06 63.13 Average: 2 33.86 0.00 1.28 0.07 0.05 64.74 Average: 3 34.94 0.00 1.43 0.06 0.06 63.51