---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-52768 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 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 686 9653 4 5649 14960 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:73:0b:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81770sec preferred_lft 81770sec inet6 fe80::f816:3eff:fe73:b77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:ce:29:f5:fb:61 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 inet6 fe80::e0ce:29ff:fef5:fb61/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-52768) 03/25/26 _x86_64_ (4 CPU) 14:10:57 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:06 1.47 0.00 1.45 0.02 0.04 17.17 0.29 14:40:06 1.46 0.00 1.45 0.02 0.00 16.84 0.16 14:50:01 1.43 0.00 1.42 0.02 0.00 16.48 0.15 15:00:06 5.67 0.02 5.29 0.36 0.17 836.64 7.98 15:10:06 1.53 0.00 1.50 0.03 0.00 18.19 0.48 15:20:01 2.90 0.00 2.77 0.13 0.00 301.17 3.46 Average: 2.42 0.00 2.32 0.10 0.04 201.93 2.09 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:06 10216316 15308116 640140 3.91 174964 4908684 1371380 7.87 544108 5057424 196 14:40:06 10215228 15307480 640824 3.91 175400 4908684 1371888 7.87 544540 5058916 168 14:50:01 10214552 15307328 640964 3.91 175816 4908828 1371840 7.87 544912 5059132 204 15:00:06 9918180 15254516 691884 4.23 184224 5120916 1504464 8.64 553884 5349456 268 15:10:06 9915912 15252756 693684 4.24 184564 5121060 1506152 8.65 554224 5352480 232 15:20:01 9823528 15242496 703124 4.29 187644 5191820 1496580 8.59 557468 5421272 236 Average: 10050619 15278782 668437 4.08 180435 5026665 1437051 8.25 549856 5216447 217 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:06 ens3 0.24 0.09 0.05 0.02 0.00 0.00 0.00 0.00 14:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:40:06 ens3 0.45 0.20 0.16 0.10 0.00 0.00 0.00 0.00 14:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:50:01 ens3 0.23 0.12 0.05 0.02 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:06 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 15:00:06 ens3 0.82 0.65 0.35 0.40 0.00 0.00 0.00 0.00 15:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:10:06 ens3 0.41 0.20 0.13 0.08 0.00 0.00 0.00 0.00 15:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 15:20:01 ens3 0.41 0.31 0.27 0.13 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.43 0.26 0.17 0.12 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-16g-52768) 03/25/26 _x86_64_ (4 CPU) 14:10:57 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:06 all 0.20 0.00 0.04 0.01 0.03 99.72 14:30:06 0 0.11 0.00 0.04 0.04 0.04 99.77 14:30:06 1 0.09 0.00 0.03 0.00 0.03 99.84 14:30:06 2 0.54 0.00 0.05 0.01 0.04 99.37 14:30:06 3 0.06 0.00 0.03 0.00 0.02 99.89 14:40:06 all 0.16 0.00 0.04 0.01 0.03 99.75 14:40:06 0 0.12 0.00 0.05 0.04 0.04 99.75 14:40:06 1 0.04 0.00 0.03 0.01 0.02 99.90 14:40:06 2 0.11 0.00 0.06 0.00 0.04 99.79 14:40:06 3 0.36 0.00 0.04 0.00 0.04 99.57 14:50:01 all 0.31 0.00 0.04 0.01 0.03 99.60 14:50:01 0 0.06 0.00 0.03 0.03 0.02 99.86 14:50:01 1 0.09 0.00 0.06 0.01 0.04 99.80 14:50:01 2 0.10 0.00 0.04 0.01 0.03 99.83 14:50:01 3 0.99 0.00 0.05 0.00 0.04 98.92 15:00:06 all 0.90 0.00 0.15 0.03 0.04 98.88 15:00:06 0 0.81 0.00 0.14 0.09 0.02 98.94 15:00:06 1 0.58 0.00 0.13 0.01 0.06 99.22 15:00:06 2 1.24 0.00 0.16 0.01 0.05 98.53 15:00:06 3 0.95 0.00 0.16 0.01 0.04 98.84 15:10:06 all 0.19 0.00 0.07 0.12 0.05 99.57 15:10:06 0 0.12 0.00 0.05 0.16 0.04 99.62 15:10:06 1 0.29 0.00 0.07 0.26 0.06 99.31 15:10:06 2 0.15 0.00 0.08 0.01 0.05 99.71 15:10:06 3 0.18 0.00 0.08 0.06 0.05 99.63 15:20:01 all 0.55 0.00 0.09 0.02 0.05 99.30 15:20:01 0 1.00 0.00 0.10 0.01 0.03 98.87 15:20:01 1 0.23 0.00 0.11 0.01 0.07 99.59 15:20:01 2 0.23 0.00 0.09 0.01 0.05 99.62 15:20:01 3 0.74 0.00 0.06 0.04 0.05 99.11 Average: all 0.38 0.00 0.07 0.03 0.04 99.47 Average: 0 0.37 0.00 0.07 0.06 0.03 99.47 Average: 1 0.22 0.00 0.07 0.05 0.05 99.61 Average: 2 0.40 0.00 0.08 0.01 0.04 99.47 Average: 3 0.54 0.00 0.07 0.02 0.04 99.33