---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-6440 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 706 9717 4 5565 14940 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:90:2e:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83649sec preferred_lft 83649sec inet6 fe80::f816:3eff:fe90:2e1d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:76:06:69:f0:fe 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::7476:6ff:fe69:f0fe/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-6440) 03/20/26 _x86_64_ (4 CPU) 15:28:47 LINUX RESTART (4 CPU) 15:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:06 62.78 5.90 53.24 3.64 682.06 10636.42 2141.60 15:50:03 1.64 0.01 1.62 0.02 0.04 19.85 0.13 16:00:07 16.01 0.01 1.75 14.25 0.23 20.58 231940.87 16:10:03 1.62 0.00 1.60 0.02 0.00 18.49 0.15 Average: 20.56 1.48 14.57 4.51 170.73 2676.12 59006.60 15:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:06 10222712 15306920 641440 3.92 172860 4904256 1365572 7.84 541856 5059088 172 15:50:03 10221700 15306508 641856 3.92 173396 4904276 1364496 7.83 542428 5058500 284 16:00:07 10215264 15305512 642824 3.93 174076 4908992 1365820 7.84 547660 5060292 40 16:10:03 10214760 15305616 642728 3.93 174508 4909132 1365820 7.84 548100 5060384 176 Average: 10218609 15306139 642212 3.92 173710 4906664 1365427 7.84 545011 5059566 168 15:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:06 lo 0.98 0.98 0.18 0.18 0.00 0.00 0.00 0.00 15:40:06 ens3 46.27 35.69 754.94 5.22 0.00 0.00 0.00 0.00 15:40:06 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 15:50:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:50:03 ens3 0.27 0.16 0.07 0.04 0.00 0.00 0.00 0.00 15:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:00:07 ens3 0.32 0.16 0.11 0.07 0.00 0.00 0.00 0.00 16:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:10:03 ens3 0.21 0.10 0.05 0.02 0.00 0.00 0.00 0.00 16:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.32 0.32 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.78 9.03 188.95 1.34 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-6440) 03/20/26 _x86_64_ (4 CPU) 15:28:47 LINUX RESTART (4 CPU) 15:30:07 CPU %user %nice %system %iowait %steal %idle 15:40:06 all 9.35 0.00 1.05 0.93 0.04 88.63 15:40:06 0 9.51 0.00 1.22 0.78 0.04 88.45 15:40:06 1 10.51 0.00 1.10 0.93 0.03 87.43 15:40:06 2 7.86 0.00 1.03 0.97 0.04 90.10 15:40:06 3 9.53 0.00 0.84 1.03 0.04 88.57 15:50:03 all 0.22 0.00 0.04 0.21 0.02 99.51 15:50:03 0 0.16 0.00 0.04 0.00 0.02 99.78 15:50:03 1 0.12 0.00 0.05 0.15 0.01 99.67 15:50:03 2 0.55 0.00 0.04 0.18 0.02 99.21 15:50:03 3 0.05 0.00 0.05 0.52 0.02 99.37 16:00:07 all 0.20 0.00 0.05 0.03 0.02 99.71 16:00:07 0 0.03 0.00 0.05 0.10 0.01 99.81 16:00:07 1 0.46 0.00 0.04 0.00 0.01 99.48 16:00:07 2 0.13 0.00 0.05 0.00 0.02 99.79 16:00:07 3 0.15 0.00 0.06 0.01 0.02 99.75 16:10:03 all 0.20 0.00 0.05 0.03 0.02 99.70 16:10:03 0 0.06 0.00 0.04 0.11 0.01 99.78 16:10:03 1 0.46 0.00 0.04 0.00 0.02 99.48 16:10:03 2 0.16 0.00 0.07 0.00 0.02 99.75 16:10:03 3 0.13 0.00 0.05 0.01 0.02 99.79 Average: all 2.49 0.00 0.30 0.30 0.02 96.89 Average: 0 2.44 0.00 0.34 0.25 0.02 96.95 Average: 1 2.89 0.00 0.31 0.27 0.02 96.51 Average: 2 2.17 0.00 0.30 0.29 0.03 97.21 Average: 3 2.47 0.00 0.25 0.39 0.02 96.86