---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3748 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 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 666 10449 4 4873 14980 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:cc:a0:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83199sec preferred_lft 83199sec inet6 fe80::f816:3eff:fecc:a087/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:6b:73:11:e1:d3 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-3748) 08/09/26 _x86_64_ (4 CPU) 07:09:38 LINUX RESTART (4 CPU) 07:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 40.59 8.48 31.43 0.68 1341.29 6749.30 1644.25 07:30:18 1.88 0.00 1.87 0.00 0.04 40.17 0.00 07:40:10 9.58 1.89 7.23 0.45 124.57 2282.84 812.99 07:50:01 13.74 0.85 11.64 1.25 29.94 2331.92 3596.70 08:00:14 22.22 0.23 18.44 3.55 11.29 3004.13 13617.14 Average: 17.57 2.28 14.11 1.19 300.23 2870.93 3960.79 07:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 13036672 15530220 445268 2.72 97360 2585452 999044 5.73 338028 2673804 204 07:30:18 13026056 15522556 452332 2.76 99592 2586036 1008456 5.79 340244 2682812 96 07:40:10 10687948 13921052 2040352 12.46 127624 3238640 2361524 13.56 530316 4773920 38984 07:50:01 9149888 13284956 2668580 16.30 165360 4024296 2823256 16.21 756536 5987168 262736 08:00:14 10757736 15387692 563504 3.44 177632 4481200 1116940 6.41 904536 4205128 88 Average: 11331660 14729295 1234007 7.54 133514 3383125 1661844 9.54 573932 4064566 60422 07:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 0.36 0.36 0.03 0.03 0.00 0.00 0.00 0.00 07:20:01 ens3 69.48 49.31 418.44 9.82 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:30:18 ens3 22.46 18.95 224.64 1.88 0.00 0.00 0.00 0.00 07:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:10 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:40:10 ens3 81.29 66.08 674.87 13.32 0.00 0.00 0.00 0.00 07:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 193.89 193.89 183.72 183.72 0.00 0.00 0.00 0.00 07:50:01 ens3 87.79 62.73 336.66 18.22 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:14 lo 1556.21 1556.21 1475.61 1475.61 0.00 0.00 0.00 0.00 08:00:14 ens3 61.61 57.83 144.59 96.91 0.00 0.00 0.00 0.00 08:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 354.59 354.59 336.01 336.01 0.00 0.00 0.00 0.00 Average: ens3 64.16 50.75 357.48 28.24 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-3748) 08/09/26 _x86_64_ (4 CPU) 07:09:38 LINUX RESTART (4 CPU) 07:10:00 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 3.22 0.00 0.46 1.06 0.02 95.24 07:20:01 0 2.44 0.00 0.50 1.62 0.02 95.42 07:20:01 1 1.53 0.00 0.32 1.81 0.02 96.32 07:20:01 2 4.16 0.00 0.51 0.47 0.03 94.84 07:20:01 3 4.73 0.00 0.51 0.34 0.02 94.39 07:30:18 all 0.28 0.00 0.06 0.05 0.01 99.59 07:30:18 0 0.17 0.00 0.05 0.02 0.01 99.75 07:30:18 1 0.40 0.00 0.04 0.02 0.02 99.52 07:30:18 2 0.48 0.00 0.13 0.01 0.02 99.37 07:30:18 3 0.07 0.00 0.02 0.15 0.01 99.74 07:40:10 all 36.30 0.00 1.15 0.09 0.06 62.39 07:40:10 0 35.30 0.00 1.11 0.04 0.06 63.49 07:40:10 1 35.95 0.00 0.96 0.05 0.07 62.98 07:40:10 2 36.40 0.00 1.18 0.13 0.06 62.22 07:40:10 3 37.56 0.00 1.37 0.14 0.06 60.87 07:50:01 all 66.96 0.00 2.28 0.12 0.10 30.53 07:50:01 0 63.73 0.00 2.02 0.14 0.11 34.01 07:50:01 1 65.02 0.00 2.19 0.10 0.10 32.58 07:50:01 2 70.07 0.00 2.45 0.15 0.10 27.22 07:50:01 3 69.03 0.00 2.46 0.10 0.10 28.31 08:00:14 all 29.31 0.00 1.53 0.16 0.06 68.95 08:00:14 0 28.60 0.00 1.44 0.14 0.06 69.76 08:00:14 1 28.73 0.00 1.56 0.08 0.05 69.57 08:00:14 2 28.81 0.00 1.71 0.24 0.06 69.18 08:00:14 3 31.08 0.00 1.40 0.19 0.06 67.27 Average: all 26.90 0.00 1.09 0.30 0.05 71.67 Average: 0 25.75 0.00 1.02 0.39 0.05 72.80 Average: 1 26.02 0.00 1.01 0.41 0.05 72.51 Average: 2 27.65 0.00 1.19 0.20 0.05 70.91 Average: 3 28.17 0.00 1.14 0.19 0.05 70.46