---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1563 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 9.2G 69G 12% / 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 597 11863 4 3529 15049 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:98:b9:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82700sec preferred_lft 82700sec inet6 fe80::f816:3eff:fe98:b95d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:eb:72:2e:e9:13 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-1563) 03/18/26 _x86_64_ (4 CPU) 08:56:00 LINUX RESTART (4 CPU) 09:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:04 19.84 0.08 5.77 13.98 4.25 361.27 245008.52 09:20:01 1.99 0.01 1.98 0.00 0.05 25.32 0.19 09:30:05 1.74 0.00 1.74 0.00 0.00 21.15 0.00 09:40:06 2.06 0.00 2.06 0.00 0.00 24.97 0.00 09:50:01 2.10 0.00 2.10 0.00 0.00 24.78 0.00 Average: 5.56 0.02 2.73 2.81 0.86 91.75 49189.85 09:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:04 10499668 13743996 2216364 13.54 115564 3271928 2530156 14.52 627372 4869936 184 09:20:01 10496404 13741588 2218836 13.55 116380 3271920 2531200 14.53 628176 4870384 220 09:30:05 10495796 13741704 2218696 13.55 117064 3271928 2530544 14.53 628884 4870852 220 09:40:06 10494788 13741584 2218844 13.55 117908 3271936 2530608 14.53 629728 4871136 224 09:50:01 10494536 13742232 2218184 13.55 118696 3272008 2530608 14.53 630504 4870404 232 Average: 10496238 13742221 2218185 13.55 117122 3271944 2530623 14.53 628933 4870542 216 09:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:04 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 09:10:04 ens3 7.49 5.03 82.53 0.38 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 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 09:20:01 ens3 0.45 0.17 0.15 0.09 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 09:30:05 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 09:30:05 ens3 1.41 0.33 0.45 0.26 0.00 0.00 0.00 0.00 09:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:06 ens3 0.50 0.13 0.11 0.06 0.00 0.00 0.00 0.00 09:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 09:50:01 ens3 0.33 0.06 0.05 0.02 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 2.04 1.15 16.72 0.16 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-1563) 03/18/26 _x86_64_ (4 CPU) 08:56:00 LINUX RESTART (4 CPU) 09:00:02 CPU %user %nice %system %iowait %steal %idle 09:10:04 all 0.92 0.00 0.14 0.08 0.06 98.80 09:10:04 0 0.92 0.00 0.13 0.15 0.05 98.75 09:10:04 1 0.89 0.00 0.11 0.04 0.03 98.93 09:10:04 2 0.91 0.00 0.16 0.07 0.06 98.79 09:10:04 3 0.95 0.00 0.16 0.07 0.08 98.73 09:20:01 all 0.16 0.00 0.06 0.01 0.05 99.71 09:20:01 0 0.16 0.00 0.06 0.02 0.06 99.70 09:20:01 1 0.22 0.00 0.05 0.00 0.04 99.69 09:20:01 2 0.13 0.00 0.07 0.00 0.05 99.74 09:20:01 3 0.11 0.00 0.08 0.03 0.06 99.72 09:30:05 all 0.26 0.00 0.06 0.01 0.05 99.62 09:30:05 0 0.04 0.00 0.04 0.03 0.03 99.86 09:30:05 1 0.32 0.00 0.08 0.00 0.06 99.52 09:30:05 2 0.14 0.00 0.09 0.01 0.07 99.69 09:30:05 3 0.55 0.00 0.03 0.00 0.03 99.39 09:40:06 all 0.17 0.00 0.06 0.01 0.08 99.69 09:40:06 0 0.07 0.00 0.04 0.00 0.04 99.85 09:40:06 1 0.21 0.00 0.06 0.01 0.07 99.66 09:40:06 2 0.18 0.00 0.07 0.00 0.06 99.69 09:40:06 3 0.21 0.00 0.08 0.03 0.14 99.54 09:50:01 all 0.20 0.00 0.06 0.01 0.05 99.68 09:50:01 0 0.10 0.00 0.07 0.01 0.06 99.76 09:50:01 1 0.14 0.00 0.07 0.01 0.05 99.74 09:50:01 2 0.09 0.00 0.07 0.03 0.04 99.77 09:50:01 3 0.48 0.00 0.04 0.00 0.03 99.46 Average: all 0.34 0.00 0.08 0.03 0.06 99.50 Average: 0 0.26 0.00 0.07 0.04 0.05 99.58 Average: 1 0.36 0.00 0.07 0.01 0.05 99.51 Average: 2 0.29 0.00 0.09 0.02 0.06 99.54 Average: 3 0.46 0.00 0.08 0.03 0.07 99.37