---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-466034 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): 8 On-line CPU(s) list: 0-7 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): 8 Stepping: 0 BogoMIPS: 5600.00 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 11G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 730 25869 4 5491 30893 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:ec:49:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82191sec preferred_lft 82191sec inet6 fe80::f816:3eff:feec:493f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:ac:25:2c:0b:93 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-8c-8g-466034) 03/13/26 _x86_64_ (8 CPU) 22:36:31 LINUX RESTART (8 CPU) 22:40:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:19 20.75 0.58 5.85 14.32 608.14 899.02 536441.83 23:00:18 1.64 0.01 1.64 0.00 0.04 18.57 172.59 23:10:18 1.46 0.00 1.46 0.00 0.00 16.14 0.00 23:20:18 1.44 0.00 1.44 0.00 0.01 16.15 0.00 23:30:19 1.58 0.00 1.58 0.00 0.00 17.47 0.00 23:40:34 1.56 0.00 1.56 0.00 0.00 17.25 0.00 Average: 4.73 0.10 2.25 2.38 100.98 163.54 89094.31 22:40:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:19 29815064 31868132 510048 1.55 67152 2320396 1504320 4.44 400104 2351644 8 23:00:18 29815196 31868964 509268 1.55 67756 2320512 1504320 4.44 400696 2350572 8 23:10:18 29814280 31868688 509676 1.55 68364 2320524 1504320 4.44 401312 2351484 164 23:20:18 29814364 31869476 509076 1.55 68952 2320660 1504320 4.44 401868 2352356 172 23:30:19 29813648 31869408 508880 1.55 69552 2320672 1504320 4.44 402492 2353344 12 23:40:34 29812348 31868888 509620 1.55 70172 2320808 1504320 4.44 403128 2354672 8 Average: 29814150 31868926 509428 1.55 68658 2320595 1504320 4.44 401600 2352345 62 22:40:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:19 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 22:50:19 ens3 18.94 10.48 270.38 0.86 0.00 0.00 0.00 0.00 22:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:00:18 ens3 0.47 0.09 0.06 0.02 0.00 0.00 0.00 0.00 23:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:10:18 ens3 0.47 0.11 0.09 0.04 0.00 0.00 0.00 0.00 23:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:20:18 ens3 0.33 0.07 0.05 0.02 0.00 0.00 0.00 0.00 23:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:30:19 ens3 0.40 0.09 0.07 0.02 0.00 0.00 0.00 0.00 23:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:34 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:40:34 ens3 0.34 0.11 0.07 0.04 0.00 0.00 0.00 0.00 23:40:34 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 3.48 1.82 44.95 0.17 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-8c-8g-466034) 03/13/26 _x86_64_ (8 CPU) 22:36:31 LINUX RESTART (8 CPU) 22:40:19 CPU %user %nice %system %iowait %steal %idle 22:50:19 all 0.26 0.00 0.09 0.11 0.01 99.52 22:50:19 0 0.27 0.00 0.09 0.03 0.00 99.60 22:50:19 1 0.70 0.00 0.09 0.08 0.02 99.11 22:50:19 2 0.23 0.00 0.10 0.07 0.02 99.57 22:50:19 3 0.17 0.00 0.13 0.16 0.00 99.53 22:50:19 4 0.20 0.00 0.09 0.06 0.01 99.64 22:50:19 5 0.10 0.00 0.09 0.01 0.01 99.78 22:50:19 6 0.24 0.00 0.07 0.38 0.01 99.30 22:50:19 7 0.16 0.00 0.09 0.09 0.01 99.66 23:00:18 all 0.03 0.00 0.01 0.01 0.01 99.94 23:00:18 0 0.12 0.00 0.00 0.00 0.01 99.87 23:00:18 1 0.01 0.00 0.01 0.00 0.00 99.98 23:00:18 2 0.02 0.00 0.02 0.00 0.03 99.94 23:00:18 3 0.02 0.00 0.01 0.00 0.01 99.96 23:00:18 4 0.02 0.00 0.02 0.01 0.01 99.95 23:00:18 5 0.01 0.00 0.02 0.00 0.01 99.96 23:00:18 6 0.01 0.00 0.02 0.06 0.02 99.90 23:00:18 7 0.01 0.00 0.00 0.00 0.00 99.99 23:10:18 all 0.05 0.00 0.02 0.04 0.01 99.89 23:10:18 0 0.28 0.00 0.01 0.00 0.01 99.70 23:10:18 1 0.01 0.00 0.04 0.00 0.01 99.94 23:10:18 2 0.02 0.00 0.03 0.00 0.02 99.93 23:10:18 3 0.01 0.00 0.01 0.00 0.00 99.97 23:10:18 4 0.01 0.00 0.01 0.00 0.01 99.97 23:10:18 5 0.01 0.00 0.02 0.01 0.01 99.95 23:10:18 6 0.01 0.00 0.01 0.31 0.01 99.66 23:10:18 7 0.01 0.00 0.01 0.00 0.00 99.98 23:20:18 all 0.09 0.00 0.01 0.01 0.01 99.89 23:20:18 0 0.02 0.00 0.01 0.00 0.01 99.95 23:20:18 1 0.00 0.00 0.01 0.00 0.00 99.99 23:20:18 2 0.02 0.00 0.03 0.00 0.03 99.91 23:20:18 3 0.01 0.00 0.01 0.00 0.00 99.98 23:20:18 4 0.01 0.00 0.01 0.00 0.00 99.97 23:20:18 5 0.60 0.00 0.02 0.00 0.02 99.36 23:20:18 6 0.01 0.00 0.01 0.03 0.01 99.94 23:20:18 7 0.00 0.00 0.01 0.00 0.00 99.98 23:30:19 all 0.16 0.00 0.01 0.01 0.01 99.81 23:30:19 0 0.02 0.00 0.02 0.00 0.01 99.95 23:30:19 1 0.01 0.00 0.01 0.00 0.01 99.97 23:30:19 2 0.57 0.00 0.02 0.00 0.03 99.39 23:30:19 3 0.01 0.00 0.01 0.03 0.00 99.94 23:30:19 4 0.01 0.00 0.01 0.00 0.00 99.97 23:30:19 5 0.62 0.00 0.02 0.00 0.01 99.35 23:30:19 6 0.01 0.00 0.01 0.00 0.01 99.97 23:30:19 7 0.00 0.00 0.00 0.00 0.00 99.99 23:40:34 all 0.04 0.00 0.01 0.01 0.01 99.93 23:40:34 0 0.01 0.00 0.01 0.00 0.01 99.97 23:40:34 1 0.01 0.00 0.01 0.00 0.01 99.96 23:40:34 2 0.27 0.00 0.01 0.00 0.01 99.70 23:40:34 3 0.00 0.00 0.01 0.03 0.00 99.96 23:40:34 4 0.01 0.00 0.02 0.00 0.01 99.96 23:40:34 5 0.00 0.00 0.01 0.00 0.01 99.98 23:40:34 6 0.01 0.00 0.02 0.00 0.02 99.94 23:40:34 7 0.02 0.00 0.02 0.00 0.01 99.95 Average: all 0.10 0.00 0.03 0.03 0.01 99.83 Average: 0 0.12 0.00 0.02 0.01 0.01 99.84 Average: 1 0.12 0.00 0.03 0.01 0.01 99.83 Average: 2 0.19 0.00 0.03 0.01 0.02 99.74 Average: 3 0.04 0.00 0.03 0.04 0.00 99.89 Average: 4 0.04 0.00 0.03 0.01 0.01 99.91 Average: 5 0.22 0.00 0.03 0.00 0.01 99.73 Average: 6 0.05 0.00 0.02 0.13 0.01 99.79 Average: 7 0.03 0.00 0.02 0.01 0.01 99.93