---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23476 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: 5599.99 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 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 675 9592 4 5721 14971 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:13:2e:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83314sec preferred_lft 83314sec inet6 fe80::f816:3eff:fe13:2e7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:7a:e0:72:29:96 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-23476) 06/03/26 _x86_64_ (4 CPU) 18:02:14 LINUX RESTART (4 CPU) 18:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:00 1.49 0.01 1.48 0.01 0.05 18.15 1.71 18:30:00 83.97 4.75 72.63 6.59 279.41 5917.59 92395.32 18:40:00 12.21 0.01 10.24 1.96 0.15 633.92 34111.84 18:50:00 40.37 0.18 35.26 4.93 5.75 6936.28 82319.07 Average: 34.51 1.23 29.90 3.37 71.34 3376.48 52206.98 18:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:00 13408672 15516000 498112 3.04 61728 2269824 1152124 6.61 366100 2340888 8 18:30:00 9231560 12887868 3071144 18.76 152976 3634004 3334328 19.14 823680 5943360 6324 18:40:00 9504588 13297688 2660320 16.25 159224 3754072 2913104 16.72 844620 5622552 6548 18:50:00 7359144 12877044 3070164 18.75 196660 5346784 3070740 17.63 1479232 7026352 5884 Average: 9875991 13644650 2324935 14.20 142647 3751171 2617574 15.02 878408 5233288 4691 18:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:00 ens3 0.30 0.08 0.05 0.02 0.00 0.00 0.00 0.00 18:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:00 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 18:30:00 ens3 113.76 86.98 919.25 18.98 0.00 0.00 0.00 0.00 18:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:00 lo 54.41 54.41 13.47 13.47 0.00 0.00 0.00 0.00 18:40:00 ens3 5.85 4.41 3.72 1.29 0.00 0.00 0.00 0.00 18:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:00 lo 2638.73 2638.73 2535.96 2535.96 0.00 0.00 0.00 0.00 18:50:00 ens3 76.61 57.24 478.59 15.01 0.00 0.00 0.00 0.00 18:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 673.52 673.52 637.38 637.38 0.00 0.00 0.00 0.00 Average: ens3 49.13 37.18 350.40 8.82 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-23476) 06/03/26 _x86_64_ (4 CPU) 18:02:14 LINUX RESTART (4 CPU) 18:10:00 CPU %user %nice %system %iowait %steal %idle 18:20:00 all 0.17 0.00 0.03 0.08 0.01 99.71 18:20:00 0 0.02 0.00 0.01 0.03 0.01 99.94 18:20:00 1 0.14 0.00 0.03 0.02 0.01 99.80 18:20:00 2 0.04 0.00 0.04 0.07 0.02 99.84 18:20:00 3 0.48 0.00 0.03 0.20 0.01 99.28 18:30:00 all 36.15 0.00 1.54 1.41 0.09 60.81 18:30:00 0 37.38 0.00 1.54 1.31 0.09 59.68 18:30:00 1 34.02 0.00 1.59 0.96 0.09 63.34 18:30:00 2 37.83 0.00 1.38 1.94 0.09 58.76 18:30:00 3 35.35 0.00 1.66 1.44 0.08 61.47 18:40:00 all 13.87 0.00 0.85 0.90 0.09 84.29 18:40:00 0 13.96 0.00 0.92 0.31 0.09 84.72 18:40:00 1 14.27 0.00 0.83 1.60 0.08 83.22 18:40:00 2 13.81 0.00 0.89 0.35 0.10 84.85 18:40:00 3 13.46 0.00 0.75 1.35 0.09 84.35 18:50:00 all 53.85 0.00 2.84 0.56 0.12 42.63 18:50:00 0 54.37 0.00 2.48 0.35 0.12 42.68 18:50:00 1 53.06 0.00 3.32 0.58 0.12 42.92 18:50:00 2 53.07 0.00 2.71 0.94 0.12 43.16 18:50:00 3 54.88 0.00 2.86 0.37 0.12 41.77 Average: all 25.97 0.00 1.31 0.74 0.08 71.90 Average: 0 26.40 0.00 1.24 0.50 0.07 71.79 Average: 1 25.33 0.00 1.44 0.79 0.08 72.36 Average: 2 26.15 0.00 1.25 0.82 0.08 71.69 Average: 3 26.00 0.00 1.32 0.84 0.08 71.77