---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-231997 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 9.7G 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 600 11369 4 4019 15046 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:de:8e:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82317sec preferred_lft 82317sec inet6 fe80::f816:3eff:fede:8e46/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:09:dd:25:92:21 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-231997) 03/08/26 _x86_64_ (4 CPU) 02:24:18 LINUX RESTART (4 CPU) 02:30:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:24 1.52 0.00 1.51 0.00 0.04 18.24 0.56 02:50:24 1.23 0.00 1.23 0.00 0.00 14.39 0.00 03:00:24 13.49 11.88 1.59 0.01 132.26 29.71 0.11 03:10:25 14.02 0.01 1.26 12.75 0.41 14.50 242592.22 03:20:20 1.29 0.00 1.29 0.00 0.01 14.68 0.01 03:30:25 73.31 4.99 64.56 3.76 288.23 6961.91 15193.21 Average: 17.57 2.82 11.99 2.76 70.55 1185.09 42980.91 02:30:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:24 13727468 15528316 488168 2.98 56856 1970216 1124864 6.46 203056 2189552 12 02:50:24 13726712 15527972 488524 2.98 57264 1970236 1124864 6.46 203452 2191364 212 03:00:24 13666448 15517324 491380 3.00 60244 2009776 1133264 6.50 241352 2196312 224 03:10:25 13662428 15518784 489812 2.99 60860 2014600 1133392 6.51 246780 2204324 12 03:20:20 13661672 15518668 489936 2.99 61300 2014800 1133392 6.51 247212 2203812 40 03:30:25 11643968 15401108 557584 3.41 140116 3740224 1087012 6.24 767100 3557604 29176 Average: 13348116 15502029 500901 3.06 72773 2286642 1122798 6.44 318159 2423828 4946 02:30:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:24 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 02:40:24 ens3 0.37 0.12 0.08 0.04 0.00 0.00 0.00 0.00 02:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:24 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 02:50:24 ens3 0.34 0.13 0.08 0.04 0.00 0.00 0.00 0.00 02:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:24 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:00:24 ens3 0.27 0.09 0.04 0.02 0.00 0.00 0.00 0.00 03:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:10:25 ens3 0.71 0.60 0.10 0.50 0.00 0.00 0.00 0.00 03:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:20 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 03:20:20 ens3 0.21 0.06 0.04 0.02 0.00 0.00 0.00 0.00 03:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:25 lo 775.11 775.11 737.02 737.02 0.00 0.00 0.00 0.00 03:30:25 ens3 143.87 113.58 1189.46 40.71 0.00 0.00 0.00 0.00 03:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 130.33 130.33 123.85 123.85 0.00 0.00 0.00 0.00 Average: ens3 24.49 19.25 199.93 6.94 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-231997) 03/08/26 _x86_64_ (4 CPU) 02:24:18 LINUX RESTART (4 CPU) 02:30:23 CPU %user %nice %system %iowait %steal %idle 02:40:24 all 0.18 0.00 0.03 0.01 0.01 99.78 02:40:24 0 0.50 0.00 0.03 0.02 0.01 99.43 02:40:24 1 0.03 0.00 0.02 0.00 0.01 99.93 02:40:24 2 0.15 0.00 0.02 0.02 0.01 99.80 02:40:24 3 0.01 0.00 0.03 0.00 0.01 99.95 02:50:24 all 0.17 0.00 0.02 0.01 0.01 99.78 02:50:24 0 0.00 0.00 0.01 0.03 0.01 99.95 02:50:24 1 0.03 0.00 0.01 0.00 0.01 99.94 02:50:24 2 0.63 0.00 0.05 0.00 0.02 99.30 02:50:24 3 0.04 0.00 0.02 0.00 0.01 99.92 03:00:24 all 0.04 0.07 0.04 0.06 0.01 99.78 03:00:24 0 0.01 0.28 0.07 0.22 0.01 99.42 03:00:24 1 0.03 0.00 0.03 0.01 0.02 99.91 03:00:24 2 0.09 0.00 0.03 0.01 0.02 99.84 03:00:24 3 0.02 0.00 0.02 0.00 0.01 99.94 03:10:25 all 0.21 0.00 0.03 0.02 0.01 99.72 03:10:25 0 0.02 0.00 0.03 0.07 0.01 99.88 03:10:25 1 0.06 0.00 0.03 0.01 0.02 99.89 03:10:25 2 0.02 0.00 0.03 0.01 0.01 99.94 03:10:25 3 0.75 0.00 0.04 0.01 0.02 99.18 03:20:20 all 0.07 0.00 0.02 0.01 0.01 99.89 03:20:20 0 0.01 0.00 0.01 0.00 0.01 99.98 03:20:20 1 0.24 0.00 0.03 0.00 0.02 99.72 03:20:20 2 0.02 0.00 0.03 0.01 0.02 99.92 03:20:20 3 0.02 0.00 0.02 0.02 0.01 99.94 03:30:25 all 42.53 0.00 1.97 0.33 0.08 55.09 03:30:25 0 39.19 0.00 1.76 0.54 0.08 58.42 03:30:25 1 39.69 0.00 1.66 0.08 0.07 58.49 03:30:25 2 43.18 0.00 2.09 0.27 0.08 54.38 03:30:25 3 48.07 0.00 2.35 0.44 0.08 49.06 Average: all 7.24 0.01 0.35 0.07 0.02 92.30 Average: 0 6.66 0.05 0.32 0.15 0.02 92.80 Average: 1 6.72 0.00 0.30 0.02 0.02 92.94 Average: 2 7.39 0.00 0.38 0.05 0.03 92.15 Average: 3 8.19 0.00 0.42 0.08 0.02 91.29