---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466530 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 68G 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 623 10789 4 4576 15023 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:91:37:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82855sec preferred_lft 82855sec inet6 fe80::f816:3eff:fe91:37d7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:60:60:0f:f6:a2 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-466530) 03/13/26 _x86_64_ (4 CPU) 22:47:13 LINUX RESTART (4 CPU) 22:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:30 14.00 0.05 1.82 12.13 2.39 21.88 231432.12 23:10:00 1.53 0.01 1.52 0.00 0.04 17.10 0.00 23:20:30 1.25 0.00 1.25 0.00 0.01 13.84 0.00 23:30:02 1.28 0.00 1.28 0.00 0.00 14.33 0.00 23:40:01 46.56 4.59 41.24 0.73 268.10 3199.26 752.20 Average: 13.02 0.93 9.40 2.69 53.98 651.49 48760.21 22:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:30 13788188 15532504 486736 2.97 54740 1916536 1134888 6.51 198300 2141020 44 23:10:00 13787444 15532476 486600 2.97 55288 1916676 1134952 6.51 198852 2142624 8 23:20:30 13786944 15532340 486776 2.97 55628 1916680 1134952 6.51 199200 2143260 20 23:30:02 13786692 15532596 486388 2.97 55988 1916820 1134952 6.51 199560 2144324 176 23:40:01 10993460 13991684 1972488 12.05 111940 3060252 2388120 13.71 427616 4620532 357804 Average: 13228546 15224320 783798 4.79 66717 2145393 1385573 7.95 244706 2638352 71610 22:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:00:30 ens3 0.50 0.11 0.09 0.03 0.00 0.00 0.00 0.00 23:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 23:10:00 ens3 0.49 0.12 0.10 0.05 0.00 0.00 0.00 0.00 23:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:20:30 ens3 0.32 0.07 0.05 0.02 0.00 0.00 0.00 0.00 23:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:30:02 ens3 0.43 0.11 0.07 0.03 0.00 0.00 0.00 0.00 23:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 lo 94.63 94.63 89.76 89.76 0.00 0.00 0.00 0.00 23:40:01 ens3 87.41 67.81 939.02 12.69 0.00 0.00 0.00 0.00 23:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.95 18.95 17.91 17.91 0.00 0.00 0.00 0.00 Average: ens3 17.78 13.60 187.32 2.56 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-466530) 03/13/26 _x86_64_ (4 CPU) 22:47:13 LINUX RESTART (4 CPU) 22:50:00 CPU %user %nice %system %iowait %steal %idle 23:00:30 all 0.18 0.00 0.04 0.04 0.01 99.73 23:00:30 0 0.02 0.00 0.02 0.07 0.01 99.88 23:00:30 1 0.51 0.00 0.08 0.08 0.03 99.31 23:00:30 2 0.18 0.00 0.04 0.00 0.01 99.77 23:00:30 3 0.02 0.00 0.01 0.01 0.01 99.95 23:10:00 all 0.08 0.00 0.03 0.01 0.02 99.86 23:10:00 0 0.04 0.00 0.02 0.03 0.01 99.90 23:10:00 1 0.21 0.00 0.03 0.00 0.02 99.74 23:10:00 2 0.03 0.00 0.04 0.01 0.02 99.91 23:10:00 3 0.06 0.00 0.03 0.01 0.02 99.88 23:20:30 all 0.09 0.00 0.03 0.01 0.02 99.86 23:20:30 0 0.02 0.00 0.01 0.03 0.01 99.93 23:20:30 1 0.04 0.00 0.03 0.00 0.02 99.91 23:20:30 2 0.02 0.00 0.03 0.01 0.02 99.92 23:20:30 3 0.27 0.00 0.03 0.00 0.02 99.68 23:30:02 all 0.06 0.00 0.02 0.01 0.02 99.88 23:30:02 0 0.02 0.00 0.02 0.03 0.01 99.93 23:30:02 1 0.20 0.00 0.02 0.00 0.02 99.75 23:30:02 2 0.02 0.00 0.03 0.01 0.02 99.91 23:30:02 3 0.02 0.00 0.02 0.00 0.01 99.94 23:40:01 all 10.18 0.00 0.61 0.29 0.03 88.89 23:40:01 0 10.72 0.00 0.57 0.12 0.03 88.56 23:40:01 1 11.26 0.00 0.73 0.12 0.04 87.86 23:40:01 2 10.42 0.00 0.53 0.11 0.04 88.91 23:40:01 3 8.34 0.00 0.60 0.81 0.03 90.22 Average: all 2.11 0.00 0.15 0.07 0.02 97.65 Average: 0 2.16 0.00 0.13 0.06 0.01 97.65 Average: 1 2.44 0.00 0.18 0.04 0.03 97.32 Average: 2 2.13 0.00 0.13 0.03 0.02 97.69 Average: 3 1.74 0.00 0.14 0.16 0.02 97.94