---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-186 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.99 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 66G 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 643 9391 4 5954 15003 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:f5:c7:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84272sec preferred_lft 84272sec inet6 fe80::f816:3eff:fef5:c75e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:30:8c:6f:e2:7f 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-186) 04/07/26 _x86_64_ (4 CPU) 08:58:46 LINUX RESTART (4 CPU) 09:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:04 30.91 3.65 24.87 2.39 193.46 5078.96 23963.35 09:20:01 10.94 0.02 8.94 1.98 0.23 617.07 29063.13 09:30:02 42.48 0.59 36.16 5.73 19.73 8481.70 98683.76 Average: 28.12 1.39 23.35 3.38 69.63 4733.08 51007.74 09:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:04 9888192 13300952 2658160 16.23 124852 3417740 2930796 16.82 687908 5411376 13872 09:20:01 9673176 13263036 2694596 16.46 136380 3567640 3021264 17.34 723764 5586464 47820 09:30:02 9502928 15243688 702964 4.29 175408 5578360 1097204 6.30 1600284 4775288 33048 Average: 9688099 13935892 2018573 12.33 145547 4187913 2349755 13.49 1003985 5257709 31580 09:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:04 lo 0.76 0.76 0.08 0.08 0.00 0.00 0.00 0.00 09:10:04 ens3 93.19 73.36 834.08 14.98 0.00 0.00 0.00 0.00 09:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 55.69 55.69 14.06 14.06 0.00 0.00 0.00 0.00 09:20:01 ens3 5.91 4.80 4.52 1.95 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:02 lo 2454.82 2454.82 2358.84 2358.84 0.00 0.00 0.00 0.00 09:30:02 ens3 78.91 61.24 467.30 17.65 0.00 0.00 0.00 0.00 09:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 851.16 851.16 804.41 804.41 0.00 0.00 0.00 0.00 Average: ens3 59.02 46.21 430.96 11.50 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-186) 04/07/26 _x86_64_ (4 CPU) 08:58:46 LINUX RESTART (4 CPU) 09:00:27 CPU %user %nice %system %iowait %steal %idle 09:10:04 all 32.03 0.00 1.28 0.23 0.07 66.39 09:10:04 0 31.72 0.00 1.07 0.15 0.06 67.00 09:10:04 1 30.30 0.00 0.94 0.30 0.07 68.40 09:10:04 2 32.78 0.00 1.20 0.37 0.07 65.58 09:10:04 3 33.32 0.00 1.91 0.11 0.07 64.58 09:20:01 all 15.78 0.00 0.81 0.06 0.07 83.29 09:20:01 0 14.95 0.00 0.75 0.03 0.07 84.21 09:20:01 1 16.29 0.00 0.77 0.02 0.07 82.84 09:20:01 2 16.13 0.00 0.91 0.03 0.07 82.86 09:20:01 3 15.74 0.00 0.81 0.15 0.07 83.23 09:30:02 all 52.24 0.00 2.73 0.14 0.09 44.80 09:30:02 0 54.28 0.00 3.01 0.15 0.09 42.47 09:30:02 1 51.36 0.00 2.79 0.18 0.10 45.57 09:30:02 2 50.96 0.00 2.54 0.05 0.10 46.35 09:30:02 3 52.37 0.00 2.58 0.16 0.09 44.80 Average: all 33.41 0.00 1.61 0.14 0.08 64.76 Average: 0 33.73 0.00 1.62 0.11 0.08 64.47 Average: 1 32.71 0.00 1.51 0.17 0.08 65.54 Average: 2 33.35 0.00 1.56 0.15 0.08 64.87 Average: 3 33.85 0.00 1.77 0.14 0.08 64.16