---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2703 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 666 8264 4 7058 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:2a:1f:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83955sec preferred_lft 83955sec inet6 fe80::f816:3eff:fe2a:1f3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:e4:bf:9d:7e:b9 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-2703) 08/06/26 _x86_64_ (4 CPU) 19:46:46 LINUX RESTART (4 CPU) 19:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:27 30.76 2.85 24.89 3.02 155.52 4129.58 5164.78 20:10:34 35.10 0.02 31.50 3.58 0.61 2574.28 14857.55 20:20:01 20.66 0.03 5.51 15.13 0.65 2940.61 263735.67 Average: 29.05 1.01 21.02 7.02 54.49 3230.45 89802.78 19:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:27 8750456 12418784 3539956 21.62 138596 3643060 3463432 19.88 694084 6541580 13748 20:10:34 8313020 12623464 3330912 20.34 167128 4214776 3273572 18.79 843356 6779808 233360 20:20:01 5590888 10422588 5529968 33.77 168688 4719768 5213744 29.93 1029564 9276224 29860 Average: 7551455 11821612 4133612 25.25 158137 4192535 3983583 22.87 855668 7532537 92323 19:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:27 lo 1513.26 1513.26 1436.66 1436.66 0.00 0.00 0.00 0.00 20:00:27 ens3 119.20 88.01 917.57 19.84 0.00 0.00 0.00 0.00 20:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:34 lo 1594.90 1594.90 1520.12 1520.12 0.00 0.00 0.00 0.00 20:10:34 ens3 46.68 34.12 23.18 12.54 0.00 0.00 0.00 0.00 20:10:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 385.57 385.57 7303.99 7303.99 0.00 0.00 0.00 0.00 20:20:01 ens3 8.44 6.55 7.74 2.82 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1185.96 1185.96 3311.14 3311.14 0.00 0.00 0.00 0.00 Average: ens3 59.86 44.19 329.37 12.02 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-2703) 08/06/26 _x86_64_ (4 CPU) 19:46:46 LINUX RESTART (4 CPU) 19:50:01 CPU %user %nice %system %iowait %steal %idle 20:00:27 all 68.50 0.00 2.66 0.10 0.12 28.63 20:00:27 0 67.45 0.00 2.86 0.10 0.12 29.47 20:00:27 1 70.50 0.00 2.61 0.10 0.12 26.68 20:00:27 2 70.26 0.00 2.50 0.09 0.12 27.03 20:00:27 3 65.79 0.00 2.66 0.10 0.12 31.34 20:10:34 all 61.81 0.00 2.66 0.13 0.12 35.29 20:10:34 0 62.04 0.00 2.66 0.16 0.12 35.02 20:10:34 1 62.51 0.00 2.59 0.08 0.11 34.70 20:10:34 2 60.93 0.00 2.59 0.15 0.11 36.22 20:10:34 3 61.74 0.00 2.81 0.12 0.12 35.21 20:20:01 all 30.38 0.00 1.04 0.09 0.11 68.39 20:20:01 0 27.87 0.00 1.18 0.03 0.11 70.80 20:20:01 1 28.00 0.00 1.25 0.15 0.11 70.48 20:20:01 2 26.66 0.00 0.87 0.04 0.10 72.32 20:20:01 3 38.99 0.00 0.84 0.14 0.10 59.92 Average: all 54.25 0.00 2.15 0.11 0.11 43.38 Average: 0 53.17 0.00 2.26 0.10 0.12 44.35 Average: 1 54.45 0.00 2.17 0.11 0.11 43.15 Average: 2 53.38 0.00 2.02 0.10 0.11 44.40 Average: 3 55.99 0.00 2.14 0.12 0.11 41.64