---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14682 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: 5599.86 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 683 10213 4 5092 14962 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:42:e4:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83690sec preferred_lft 83690sec inet6 fe80::f816:3eff:fe42:e4bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:77:b7:e1:83:84 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-14682) 08/10/26 _x86_64_ (4 CPU) 12:39:04 LINUX RESTART (4 CPU) 12:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 17.56 0.24 3.86 13.46 29.25 796.89 279772.50 13:00:01 43.41 2.22 40.59 0.60 134.27 2746.36 1331.23 13:10:08 13.63 1.95 10.78 0.90 128.51 2911.54 2169.61 13:20:01 36.57 0.82 31.29 4.46 24.96 4378.71 6459.49 Average: 27.79 1.32 21.68 4.79 79.83 2715.80 71182.69 12:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 13518936 15519472 494860 3.02 59284 2165056 1153480 6.62 220844 2373256 8 13:00:01 12772212 15493404 476712 2.91 104856 2802212 1004592 5.77 368036 2889808 264 13:10:08 10099740 13744972 2213132 13.52 140832 3614832 2557220 14.68 594788 5283412 22256 13:20:01 10532716 15384612 565704 3.46 179356 4695228 1114996 6.40 927992 4421908 74144 Average: 11730901 15035615 937602 5.73 121082 3319332 1457572 8.37 527915 3742096 24168 12:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:50:01 ens3 14.93 6.20 332.49 0.54 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 13:00:01 ens3 61.95 44.88 443.66 8.76 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:08 lo 1.17 1.17 0.12 0.12 0.00 0.00 0.00 0.00 13:10:08 ens3 104.43 83.74 634.57 20.58 0.00 0.00 0.00 0.00 13:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 1764.49 1764.49 1681.87 1681.87 0.00 0.00 0.00 0.00 13:20:01 ens3 87.48 69.65 457.21 18.00 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 439.36 439.36 418.44 418.44 0.00 0.00 0.00 0.00 Average: ens3 67.56 51.42 468.27 12.04 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-14682) 08/10/26 _x86_64_ (4 CPU) 12:39:04 LINUX RESTART (4 CPU) 12:40:15 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 0.39 0.00 0.12 0.11 0.02 99.35 12:50:01 0 0.27 0.00 0.09 0.02 0.02 99.60 12:50:01 1 0.24 0.00 0.12 0.31 0.02 99.31 12:50:01 2 0.57 0.00 0.13 0.07 0.02 99.20 12:50:01 3 0.49 0.00 0.15 0.03 0.03 99.30 13:00:01 all 2.79 0.00 0.37 0.23 0.03 96.58 13:00:01 0 2.65 0.00 0.34 0.10 0.03 96.89 13:00:01 1 4.77 0.00 0.42 0.12 0.04 94.64 13:00:01 2 0.66 0.00 0.18 0.32 0.04 98.80 13:00:01 3 3.08 0.00 0.53 0.36 0.03 96.00 13:10:08 all 58.33 0.00 1.92 0.04 0.08 39.63 13:10:08 0 58.17 0.00 1.75 0.01 0.08 39.99 13:10:08 1 57.06 0.00 1.79 0.05 0.08 41.03 13:10:08 2 58.92 0.00 2.09 0.03 0.09 38.87 13:10:08 3 59.15 0.00 2.05 0.06 0.08 38.65 13:20:01 all 67.47 0.00 2.73 0.07 0.10 29.64 13:20:01 0 65.92 0.00 2.55 0.05 0.10 31.39 13:20:01 1 68.63 0.00 2.89 0.08 0.09 28.31 13:20:01 2 66.01 0.00 2.88 0.08 0.10 30.94 13:20:01 3 69.32 0.00 2.61 0.05 0.10 27.92 Average: all 32.40 0.00 1.29 0.11 0.06 66.15 Average: 0 31.92 0.00 1.19 0.04 0.06 66.79 Average: 1 32.82 0.00 1.31 0.14 0.06 65.67 Average: 2 31.70 0.00 1.33 0.13 0.06 66.79 Average: 3 33.15 0.00 1.34 0.12 0.06 65.33