---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33654 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5599.94 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 66G 16% / 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 658 9012 4 6318 14988 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:94:22:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83029sec preferred_lft 83029sec inet6 fe80::f816:3eff:fe94:226c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:51:01:67:79:92 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33654) 07/07/26 _x86_64_ (4 CPU) 07:15:36 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:19 3.97 0.40 3.36 0.21 390.43 388.73 5179.04 07:40:19 1.51 0.01 1.50 0.00 0.04 17.05 0.00 07:50:01 1.36 0.00 1.36 0.00 0.00 15.30 0.00 08:00:19 42.39 4.16 37.54 0.68 254.77 4067.69 992.31 08:10:19 37.25 0.59 33.39 3.26 26.61 10472.99 16365.65 Average: 17.46 1.05 15.57 0.83 137.46 3000.81 4517.49 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:19 13557508 15537140 479384 2.93 57640 2147160 1145160 6.57 336944 2216312 8 07:40:19 13556256 15536640 479876 2.93 58268 2147296 1145224 6.57 337548 2216800 36 07:50:01 13557048 15538008 478544 2.92 58828 2147300 1145224 6.57 338124 2217880 208 08:00:19 10543872 13765812 2197488 13.42 113968 3268096 2609204 14.98 595528 4890120 31364 08:10:19 9274328 15385900 564764 3.45 150724 6001408 1098204 6.30 1581600 5029040 26776 Average: 12097802 15152700 840011 5.13 87886 3142252 1428603 8.20 637949 3314030 11678 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:19 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 07:30:19 ens3 9.79 2.99 125.60 0.24 0.00 0.00 0.00 0.00 07:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:19 ens3 0.30 0.12 0.07 0.05 0.00 0.00 0.00 0.00 07:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:01 ens3 0.28 0.08 0.05 0.02 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 08:00:19 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 08:00:19 ens3 97.56 68.64 899.39 13.74 0.00 0.00 0.00 0.00 08:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:19 lo 1161.78 1161.78 1104.54 1104.54 0.00 0.00 0.00 0.00 08:10:19 ens3 89.97 68.39 456.72 58.08 0.00 0.00 0.00 0.00 08:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 231.12 231.12 219.58 219.58 0.00 0.00 0.00 0.00 Average: ens3 39.98 28.30 300.72 14.42 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33654) 07/07/26 _x86_64_ (4 CPU) 07:15:36 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:19 all 0.47 0.00 0.10 0.06 0.01 99.36 07:30:19 0 0.31 0.00 0.10 0.15 0.01 99.43 07:30:19 1 0.83 0.00 0.08 0.04 0.02 99.03 07:30:19 2 0.31 0.00 0.09 0.01 0.01 99.59 07:30:19 3 0.41 0.00 0.14 0.05 0.01 99.38 07:40:19 all 0.09 0.00 0.03 0.02 0.01 99.85 07:40:19 0 0.04 0.00 0.03 0.01 0.01 99.91 07:40:19 1 0.13 0.00 0.05 0.01 0.01 99.81 07:40:19 2 0.19 0.00 0.02 0.00 0.00 99.79 07:40:19 3 0.02 0.00 0.02 0.06 0.00 99.91 07:50:01 all 0.17 0.00 0.04 0.04 0.08 99.67 07:50:01 0 0.02 0.00 0.03 0.15 0.08 99.73 07:50:01 1 0.06 0.00 0.06 0.00 0.11 99.78 07:50:01 2 0.53 0.00 0.07 0.00 0.09 99.31 07:50:01 3 0.06 0.00 0.02 0.01 0.06 99.85 08:00:19 all 16.54 0.00 0.88 0.42 0.12 82.03 08:00:19 0 17.71 0.00 0.86 0.56 0.13 80.74 08:00:19 1 14.48 0.00 0.78 0.29 0.10 84.34 08:00:19 2 16.85 0.00 0.99 0.16 0.11 81.88 08:00:19 3 17.13 0.00 0.89 0.65 0.15 81.18 08:10:19 all 55.96 0.00 2.50 0.17 0.13 41.24 08:10:19 0 51.48 0.00 2.31 0.12 0.13 45.96 08:10:19 1 52.28 0.00 2.36 0.16 0.13 45.07 08:10:19 2 58.00 0.00 2.72 0.26 0.13 38.89 08:10:19 3 62.07 0.00 2.59 0.16 0.14 35.04 Average: all 14.61 0.00 0.71 0.14 0.07 84.46 Average: 0 13.91 0.00 0.67 0.20 0.07 85.16 Average: 1 13.53 0.00 0.66 0.10 0.07 85.63 Average: 2 15.13 0.00 0.78 0.09 0.07 83.94 Average: 3 15.89 0.00 0.73 0.19 0.07 83.12