---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10013 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 703 10207 4 5078 14943 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:4e:52:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83320sec preferred_lft 83320sec inet6 fe80::f816:3eff:fe4e:5206/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:b8:7b:55:76:03 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-10013) 02/13/26 _x86_64_ (4 CPU) 04:24:49 LINUX RESTART (4 CPU) 04:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:40:17 3.05 0.14 2.74 0.17 22.92 375.49 5002.71 04:50:17 1.15 0.00 1.15 0.00 0.35 13.99 0.00 05:00:08 50.68 4.12 45.17 1.40 255.81 4857.62 3317.10 05:10:09 34.58 0.84 30.51 3.23 28.00 4516.78 3880.66 Average: 22.13 1.26 19.69 1.19 75.71 2418.98 3062.77 04:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:40:17 13432568 15518680 495604 3.03 58892 2251612 1140328 6.55 402132 2272100 168 04:50:17 13432316 15518904 495308 3.03 59244 2251724 1140328 6.55 402484 2273548 40 05:00:08 10420140 13908692 2050756 12.53 132336 3486976 2380452 13.66 750544 4826408 23928 05:10:09 8114772 12845644 3104608 18.96 172572 4597344 3565016 20.46 1083548 6695812 15700 Average: 11349949 14447980 1536569 9.38 105761 3146914 2056531 11.80 659677 4016967 9959 04:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:40:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:40:17 ens3 0.35 0.17 0.10 0.05 0.00 0.00 0.00 0.00 04:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:50:17 ens3 0.26 0.11 0.08 0.04 0.00 0.00 0.00 0.00 04:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:08 lo 1.29 1.29 0.14 0.14 0.00 0.00 0.00 0.00 05:00:08 ens3 134.16 102.50 933.11 24.08 0.00 0.00 0.00 0.00 05:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:09 lo 1491.71 1491.71 1421.55 1421.55 0.00 0.00 0.00 0.00 05:10:09 ens3 77.44 61.29 458.68 17.86 0.00 0.00 0.00 0.00 05:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 372.72 372.72 354.88 354.88 0.00 0.00 0.00 0.00 Average: ens3 52.40 40.52 343.50 10.39 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-10013) 02/13/26 _x86_64_ (4 CPU) 04:24:49 LINUX RESTART (4 CPU) 04:30:01 CPU %user %nice %system %iowait %steal %idle 04:40:17 all 0.29 0.00 0.08 0.06 0.03 99.54 04:40:17 0 0.24 0.00 0.09 0.00 0.02 99.65 04:40:17 1 0.24 0.00 0.07 0.03 0.04 99.62 04:40:17 2 0.45 0.00 0.08 0.08 0.04 99.35 04:40:17 3 0.23 0.00 0.07 0.14 0.02 99.54 04:50:17 all 0.05 0.00 0.03 0.01 0.03 99.88 04:50:17 0 0.03 0.00 0.03 0.00 0.02 99.92 04:50:17 1 0.07 0.00 0.03 0.01 0.03 99.87 04:50:17 2 0.08 0.00 0.04 0.03 0.02 99.83 04:50:17 3 0.03 0.00 0.04 0.01 0.03 99.90 05:00:08 all 57.06 0.00 2.34 0.31 0.11 40.19 05:00:08 0 57.87 0.00 2.29 0.64 0.11 39.09 05:00:08 1 57.04 0.00 2.50 0.15 0.11 40.20 05:00:08 2 58.50 0.00 2.40 0.15 0.11 38.84 05:00:08 3 54.81 0.00 2.15 0.31 0.10 42.63 05:10:09 all 69.19 0.00 2.90 0.10 0.12 27.69 05:10:09 0 66.93 0.00 2.64 0.10 0.11 30.23 05:10:09 1 71.54 0.00 3.24 0.09 0.12 25.01 05:10:09 2 68.07 0.00 2.76 0.15 0.11 28.91 05:10:09 3 70.24 0.00 2.98 0.05 0.12 26.62 Average: all 31.31 0.00 1.32 0.12 0.07 67.18 Average: 0 30.93 0.00 1.25 0.18 0.06 67.58 Average: 1 31.89 0.00 1.44 0.07 0.07 66.53 Average: 2 31.44 0.00 1.31 0.10 0.07 67.08 Average: 3 31.00 0.00 1.30 0.13 0.07 67.52