---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466523 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 9.9G 68G 13% / 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 621 11052 4 4314 15025 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:fe:98:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82885sec preferred_lft 82885sec inet6 fe80::f816:3eff:fefe:987f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:45:4f:c9:6c:e2 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-466523) 03/13/26 _x86_64_ (4 CPU) 22:47:10 LINUX RESTART (4 CPU) 22:50:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:01 5.73 0.45 4.87 0.41 432.03 668.55 29967.89 23:10:30 1.57 0.00 1.56 0.00 0.04 18.23 0.41 23:20:01 1.58 0.00 1.58 0.00 0.01 17.53 0.00 23:30:32 1.57 0.00 1.57 0.00 0.00 17.30 0.00 23:40:02 1.46 0.00 1.46 0.00 0.00 16.32 0.00 Average: 2.34 0.09 2.17 0.08 81.63 140.39 5661.90 22:50:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:01 13487112 15506328 507944 3.10 59788 2183896 1136868 6.53 323892 2289372 8 23:10:30 13487960 15507808 506592 3.09 60440 2183884 1136932 6.53 324544 2289892 12 23:20:01 13488056 15508644 505812 3.09 61012 2184020 1136932 6.53 325140 2290668 4 23:30:32 13498840 15520176 494296 3.02 61612 2184164 1136932 6.53 325744 2292964 176 23:40:02 13497396 15519332 495056 3.02 62188 2184168 1136996 6.53 326316 2297364 176 Average: 13491873 15512458 501940 3.07 61008 2184026 1136932 6.53 325127 2292052 75 22:50:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:01 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 23:00:01 ens3 10.69 4.41 226.93 0.34 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:10:30 ens3 0.48 0.10 0.09 0.04 0.00 0.00 0.00 0.00 23:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 23:20:01 ens3 0.32 0.08 0.05 0.02 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:32 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:30:32 ens3 0.40 0.10 0.06 0.02 0.00 0.00 0.00 0.00 23:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 23:40:02 ens3 0.64 0.62 0.10 0.63 0.00 0.00 0.00 0.00 23:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 2.39 1.01 42.93 0.20 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-466523) 03/13/26 _x86_64_ (4 CPU) 22:47:10 LINUX RESTART (4 CPU) 22:50:41 CPU %user %nice %system %iowait %steal %idle 23:00:01 all 0.38 0.00 0.14 0.11 0.02 99.35 23:00:01 0 0.34 0.00 0.15 0.05 0.02 99.44 23:00:01 1 0.21 0.00 0.13 0.07 0.01 99.57 23:00:01 2 0.39 0.00 0.15 0.25 0.02 99.19 23:00:01 3 0.57 0.00 0.13 0.08 0.01 99.21 23:10:30 all 0.14 0.00 0.02 0.01 0.02 99.81 23:10:30 0 0.28 0.00 0.01 0.00 0.01 99.70 23:10:30 1 0.21 0.00 0.03 0.04 0.02 99.71 23:10:30 2 0.05 0.00 0.03 0.00 0.02 99.89 23:10:30 3 0.02 0.00 0.01 0.00 0.01 99.95 23:20:01 all 0.21 0.00 0.02 0.01 0.02 99.74 23:20:01 0 0.01 0.00 0.03 0.00 0.01 99.95 23:20:01 1 0.81 0.00 0.03 0.03 0.03 99.09 23:20:01 2 0.02 0.00 0.02 0.00 0.02 99.94 23:20:01 3 0.01 0.00 0.01 0.00 0.01 99.97 23:30:32 all 0.15 0.00 0.02 0.01 0.02 99.80 23:30:32 0 0.01 0.00 0.03 0.00 0.02 99.94 23:30:32 1 0.51 0.00 0.01 0.04 0.01 99.42 23:30:32 2 0.05 0.00 0.03 0.00 0.02 99.90 23:30:32 3 0.02 0.00 0.02 0.01 0.02 99.93 23:40:02 all 0.05 0.00 0.02 0.01 0.02 99.90 23:40:02 0 0.01 0.00 0.02 0.00 0.01 99.96 23:40:02 1 0.04 0.00 0.03 0.04 0.02 99.87 23:40:02 2 0.16 0.00 0.01 0.01 0.02 99.80 23:40:02 3 0.01 0.00 0.01 0.00 0.02 99.96 Average: all 0.19 0.00 0.04 0.03 0.02 99.72 Average: 0 0.13 0.00 0.04 0.01 0.02 99.80 Average: 1 0.36 0.00 0.04 0.04 0.02 99.53 Average: 2 0.13 0.00 0.05 0.05 0.02 99.75 Average: 3 0.12 0.00 0.03 0.02 0.02 99.81