---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3743 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 12G 67G 15% / 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 707 9631 4 5649 14938 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:70:b1:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83895sec preferred_lft 83895sec inet6 fe80::f816:3eff:fe70:b183/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:02:3d:8c:b8:40 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-3743) 08/09/26 _x86_64_ (4 CPU) 06:27:36 LINUX RESTART (4 CPU) 06:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:08 7.04 1.99 4.99 0.06 121.32 1623.97 5.28 06:50:00 25.10 0.67 21.94 2.49 25.40 3678.18 5991.41 07:00:01 30.18 0.05 27.09 3.04 1.70 5709.65 11443.00 Average: 20.76 0.91 17.99 1.86 49.56 3671.40 5814.75 06:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:08 11172468 14120276 1844096 11.26 115616 2993628 2299248 13.20 428716 4426028 5388 06:50:00 9590016 13424120 2531104 15.46 159980 3755564 2687160 15.42 719200 5611140 15680 07:00:01 7768972 12934080 3015452 18.42 190476 4986840 3166664 18.18 1005536 7085668 30032 Average: 9510485 13492825 2463551 15.05 155357 3912011 2717691 15.60 717817 5707612 17033 06:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:08 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 06:40:08 ens3 44.85 36.66 513.41 6.17 0.00 0.00 0.00 0.00 06:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:00 lo 1128.42 1128.42 1075.28 1075.28 0.00 0.00 0.00 0.00 06:50:00 ens3 67.14 50.78 340.03 15.09 0.00 0.00 0.00 0.00 06:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 1069.87 1069.87 1019.25 1019.25 0.00 0.00 0.00 0.00 07:00:01 ens3 51.85 38.66 212.46 11.90 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 731.23 731.23 696.67 696.67 0.00 0.00 0.00 0.00 Average: ens3 54.56 42.00 355.31 11.03 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-3743) 08/09/26 _x86_64_ (4 CPU) 06:27:36 LINUX RESTART (4 CPU) 06:30:08 CPU %user %nice %system %iowait %steal %idle 06:40:08 all 7.91 0.00 0.34 0.06 0.04 91.64 06:40:08 0 7.80 0.00 0.19 0.01 0.03 91.98 06:40:08 1 8.52 0.00 0.56 0.13 0.05 90.75 06:40:08 2 7.20 0.00 0.35 0.06 0.04 92.35 06:40:08 3 8.14 0.00 0.28 0.04 0.05 91.50 06:50:00 all 65.63 0.00 2.40 0.09 0.12 31.77 06:50:00 0 63.29 0.00 2.47 0.10 0.12 34.02 06:50:00 1 65.37 0.00 2.53 0.07 0.12 31.91 06:50:00 2 65.22 0.00 2.66 0.11 0.12 31.89 06:50:00 3 68.64 0.00 1.94 0.05 0.11 29.25 07:00:01 all 58.24 0.00 2.34 0.14 0.12 39.16 07:00:01 0 62.41 0.00 2.34 0.17 0.12 34.95 07:00:01 1 54.67 0.00 2.42 0.18 0.12 42.62 07:00:01 2 59.44 0.00 2.46 0.07 0.12 37.91 07:00:01 3 56.44 0.00 2.13 0.15 0.12 41.17 Average: all 43.82 0.00 1.69 0.09 0.09 54.30 Average: 0 44.41 0.00 1.66 0.09 0.09 53.75 Average: 1 42.75 0.00 1.83 0.13 0.09 55.20 Average: 2 43.84 0.00 1.82 0.08 0.09 54.16 Average: 3 44.29 0.00 1.45 0.08 0.09 54.08