---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38525 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 13G 65G 17% / 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 637 8304 4 7047 15009 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:0a:33:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83793sec preferred_lft 83793sec inet6 fe80::f816:3eff:fe0a:33f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:d5:81:9e:29:9d 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-38525) 08/18/26 _x86_64_ (4 CPU) 07:56:54 LINUX RESTART (4 CPU) 08:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:00 24.55 2.97 19.38 2.20 161.87 3630.77 3770.97 08:20:00 23.78 0.02 21.07 2.69 0.40 2067.76 5677.35 08:30:00 21.04 0.03 19.16 1.85 0.67 3657.07 5192.71 08:40:00 13.39 0.17 11.42 1.79 12.65 7362.24 1564.13 Average: 20.69 0.80 17.76 2.13 43.90 4179.47 4051.28 08:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:00 9721568 13353936 2604960 15.91 138408 3613976 2690452 15.44 654580 5597616 114888 08:20:00 8476332 12399960 3556132 21.72 153124 3861608 3483344 19.99 758304 6715412 27628 08:30:00 5368584 10183064 5769312 35.24 167340 4703096 5587080 32.07 1021404 9522392 4220 08:40:00 8551512 15413436 531516 3.25 188172 6664364 1091204 6.26 1773612 5509284 10728 Average: 8029499 12837599 3115480 19.03 161761 4710761 3213020 18.44 1051975 6836176 39366 08:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:00 lo 1225.14 1225.14 1161.68 1161.68 0.00 0.00 0.00 0.00 08:10:00 ens3 128.19 98.13 983.46 19.50 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 1195.68 1195.68 1139.05 1139.05 0.00 0.00 0.00 0.00 08:20:00 ens3 42.40 33.86 22.84 11.69 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 801.91 801.91 2583.28 2583.28 0.00 0.00 0.00 0.00 08:30:00 ens3 24.67 20.36 17.54 7.37 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 2515.14 2515.14 7412.94 7412.94 0.00 0.00 0.00 0.00 08:40:00 ens3 92.02 102.95 157.26 1246.96 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1434.47 1434.47 3074.26 3074.26 0.00 0.00 0.00 0.00 Average: ens3 71.82 63.83 295.27 321.38 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-38525) 08/18/26 _x86_64_ (4 CPU) 07:56:54 LINUX RESTART (4 CPU) 08:00:00 CPU %user %nice %system %iowait %steal %idle 08:10:00 all 48.25 0.00 1.98 0.07 0.08 49.62 08:10:00 0 48.62 0.00 1.78 0.10 0.08 49.42 08:10:00 1 49.42 0.00 1.84 0.03 0.09 48.63 08:10:00 2 47.50 0.00 2.01 0.07 0.08 50.34 08:10:00 3 47.45 0.00 2.30 0.08 0.09 50.08 08:20:00 all 64.91 0.00 2.25 0.05 0.10 32.69 08:20:00 0 65.80 0.00 1.99 0.05 0.10 32.06 08:20:00 1 62.25 0.00 2.37 0.06 0.11 35.21 08:20:00 2 66.46 0.00 2.45 0.06 0.10 30.93 08:20:00 3 65.13 0.00 2.20 0.03 0.10 32.54 08:30:00 all 37.87 0.00 1.65 0.07 0.09 60.32 08:30:00 0 37.16 0.00 1.65 0.11 0.10 60.99 08:30:00 1 36.84 0.00 1.59 0.05 0.10 61.42 08:30:00 2 39.95 0.00 1.81 0.05 0.09 58.09 08:30:00 3 37.55 0.00 1.53 0.07 0.09 60.76 08:40:00 all 31.69 0.00 1.39 0.19 0.08 66.64 08:40:00 0 32.64 0.00 1.68 0.07 0.08 65.53 08:40:00 1 26.87 0.00 0.97 0.39 0.08 71.68 08:40:00 2 37.03 0.00 1.88 0.12 0.08 60.90 08:40:00 3 30.22 0.00 1.03 0.19 0.08 68.48 Average: all 45.68 0.00 1.82 0.09 0.09 52.32 Average: 0 46.05 0.00 1.78 0.08 0.09 52.01 Average: 1 43.84 0.00 1.69 0.13 0.09 54.24 Average: 2 47.73 0.00 2.04 0.07 0.09 50.07 Average: 3 45.08 0.00 1.77 0.09 0.09 52.97