---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40078 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: 5599.94 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 13G 66G 16% / 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 665 8699 4 6624 14981 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:ef:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84303sec preferred_lft 84303sec inet6 fe80::f816:3eff:fee5:efd3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:70:ed:79:2e:94 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-40078) 08/22/26 _x86_64_ (4 CPU) 17:25:46 LINUX RESTART (4 CPU) 17:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:07 23.62 0.10 20.87 2.65 7.60 2393.38 6915.50 17:50:07 31.50 0.03 28.35 3.12 0.73 4608.60 35351.64 18:00:07 10.33 0.24 8.94 1.15 13.21 6600.56 5572.07 Average: 21.82 0.12 19.39 2.31 7.19 4525.88 15911.37 17:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:07 8749928 12700644 3256580 19.89 139260 3914780 3325672 19.09 734024 6484508 185412 17:50:07 7584324 12402892 3549984 21.68 156540 4726472 3453820 19.82 997008 7329408 1436 18:00:07 8961048 15387164 561180 3.43 174248 6266516 1098428 6.30 1343284 5553632 358256 Average: 8431767 13496900 2455915 15.00 156683 4969256 2625973 15.07 1024772 6455849 181701 17:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:07 lo 1449.10 1449.10 1374.93 1374.93 0.00 0.00 0.00 0.00 17:40:07 ens3 48.48 37.11 46.98 12.29 0.00 0.00 0.00 0.00 17:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:07 lo 1406.66 1406.66 1338.42 1338.42 0.00 0.00 0.00 0.00 17:50:07 ens3 59.21 40.63 33.26 15.26 0.00 0.00 0.00 0.00 17:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:07 lo 2576.47 2576.47 9290.79 9290.79 0.00 0.00 0.00 0.00 18:00:07 ens3 57.19 40.69 189.93 12.06 0.00 0.00 0.00 0.00 18:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1809.34 1809.34 3991.19 3991.19 0.00 0.00 0.00 0.00 Average: ens3 54.93 39.47 89.89 13.20 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-40078) 08/22/26 _x86_64_ (4 CPU) 17:25:46 LINUX RESTART (4 CPU) 17:30:00 CPU %user %nice %system %iowait %steal %idle 17:40:07 all 64.98 0.00 2.33 0.05 0.10 32.55 17:40:07 0 64.02 0.00 2.25 0.05 0.10 33.58 17:40:07 1 64.55 0.00 2.28 0.07 0.10 33.01 17:40:07 2 64.86 0.00 2.25 0.04 0.10 32.75 17:40:07 3 66.49 0.00 2.52 0.03 0.10 30.86 17:50:07 all 60.72 0.00 2.48 0.09 0.10 36.62 17:50:07 0 59.03 0.00 2.41 0.09 0.09 38.37 17:50:07 1 62.37 0.00 2.43 0.08 0.10 35.02 17:50:07 2 62.65 0.00 2.70 0.11 0.10 34.44 17:50:07 3 58.82 0.00 2.37 0.07 0.10 38.64 18:00:07 all 31.99 0.00 1.40 0.15 0.07 66.39 18:00:07 0 30.10 0.00 1.83 0.09 0.08 67.91 18:00:07 1 31.77 0.00 1.80 0.12 0.07 66.23 18:00:07 2 30.07 0.00 0.89 0.08 0.08 68.89 18:00:07 3 36.01 0.00 1.10 0.29 0.07 62.53 Average: all 52.60 0.00 2.07 0.09 0.09 45.15 Average: 0 51.11 0.00 2.16 0.08 0.09 46.57 Average: 1 52.93 0.00 2.17 0.09 0.09 44.72 Average: 2 52.55 0.00 1.95 0.08 0.09 45.34 Average: 3 53.80 0.00 2.00 0.13 0.09 43.98