---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3765 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 690 10421 4 4877 14956 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:f4:72:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83666sec preferred_lft 83666sec inet6 fe80::f816:3eff:fef4:7294/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:7a:7f:31:ac:24 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-3765) 08/09/26 _x86_64_ (4 CPU) 10:47:25 LINUX RESTART (4 CPU) 10:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:15 2.21 0.03 2.16 0.01 1.13 47.67 0.72 11:10:01 8.64 1.91 6.49 0.24 125.74 1728.10 536.24 11:20:04 11.11 0.48 9.52 1.11 18.86 2225.52 2640.28 11:30:03 27.08 0.58 22.39 4.11 22.00 3669.05 3805.28 Average: 12.28 0.75 10.16 1.37 41.44 1918.66 1752.99 10:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:15 13018620 15513656 461732 2.82 98816 2585344 1004848 5.77 338840 2687960 168 11:10:01 10852372 13906748 2056696 12.56 120192 3085248 2411592 13.84 490564 4685800 32768 11:20:04 9697664 13395280 2561992 15.65 150552 3633940 3086388 17.72 655164 5595968 19916 11:30:03 10742724 15373112 577752 3.53 177344 4481876 1114512 6.40 903808 4212948 196 Average: 11077845 14547199 1414543 8.64 136726 3446602 1904335 10.93 597094 4295669 13262 10:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:15 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:00:15 ens3 18.26 15.12 192.27 1.72 0.00 0.00 0.00 0.00 11:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 11:10:01 ens3 70.95 56.89 681.72 9.70 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:04 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 11:20:04 ens3 77.17 58.32 97.35 18.95 0.00 0.00 0.00 0.00 11:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:03 lo 1746.93 1746.93 1656.08 1656.08 0.00 0.00 0.00 0.00 11:30:03 ens3 93.40 83.01 431.89 108.06 0.00 0.00 0.00 0.00 11:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 439.05 439.05 415.81 415.81 0.00 0.00 0.00 0.00 Average: ens3 64.92 53.32 348.68 34.72 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-3765) 08/09/26 _x86_64_ (4 CPU) 10:47:25 LINUX RESTART (4 CPU) 10:50:15 CPU %user %nice %system %iowait %steal %idle 11:00:15 all 0.22 0.00 0.06 0.06 0.01 99.66 11:00:15 0 0.03 0.00 0.04 0.05 0.02 99.85 11:00:15 1 0.08 0.00 0.03 0.01 0.01 99.88 11:00:15 2 0.72 0.00 0.13 0.14 0.01 98.99 11:00:15 3 0.03 0.00 0.02 0.02 0.01 99.92 11:10:01 all 19.88 0.00 0.69 0.10 0.04 79.29 11:10:01 0 19.18 0.00 0.73 0.06 0.04 79.99 11:10:01 1 20.33 0.00 0.57 0.05 0.05 79.00 11:10:01 2 19.89 0.00 0.71 0.18 0.04 79.18 11:10:01 3 20.13 0.00 0.75 0.11 0.04 78.97 11:20:04 all 72.02 0.00 2.34 0.12 0.12 25.40 11:20:04 0 73.34 0.00 2.53 0.13 0.12 23.89 11:20:04 1 71.04 0.00 2.27 0.16 0.11 26.41 11:20:04 2 72.28 0.00 2.30 0.12 0.11 25.19 11:20:04 3 71.42 0.00 2.26 0.07 0.12 26.12 11:30:03 all 40.34 0.00 2.00 0.38 0.08 57.20 11:30:03 0 40.56 0.00 2.07 0.50 0.08 56.78 11:30:03 1 43.99 0.00 2.21 0.20 0.08 53.51 11:30:03 2 36.58 0.00 1.63 0.50 0.07 61.22 11:30:03 3 40.23 0.00 2.10 0.33 0.08 57.27 Average: all 33.22 0.00 1.28 0.17 0.06 65.27 Average: 0 33.40 0.00 1.35 0.19 0.06 65.01 Average: 1 33.95 0.00 1.28 0.11 0.06 64.60 Average: 2 32.47 0.00 1.20 0.24 0.06 66.04 Average: 3 33.08 0.00 1.29 0.13 0.06 65.44