---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7688 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 66G 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 641 9355 4 5992 15004 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:f7:5b:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82432sec preferred_lft 82432sec inet6 fe80::f816:3eff:fef7:5b48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:1b:25:2a:94:db 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7688) 02/04/26 _x86_64_ (4 CPU) 16:41:11 LINUX RESTART (4 CPU) 16:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:20 1.04 0.01 1.02 0.01 0.26 14.56 0.95 17:10:01 1.00 0.00 1.00 0.00 0.00 12.85 0.00 17:20:20 1.06 0.00 1.06 0.00 0.01 13.24 0.00 17:30:07 1.16 0.06 1.10 0.00 3.27 15.01 0.00 17:40:01 37.92 4.72 30.53 2.66 273.27 5080.30 12230.22 Average: 8.35 0.95 6.88 0.53 54.75 1016.09 2419.44 16:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:20 13447076 15533228 480724 2.94 58724 2251692 1140036 6.54 398076 2270232 12 17:10:01 13453644 15540340 473724 2.89 59124 2251820 1140100 6.54 398484 2272032 200 17:20:20 13452136 15539228 474828 2.90 59512 2251836 1140100 6.54 398868 2272612 12 17:30:07 13445372 15534284 479812 2.93 59932 2253220 1142688 6.56 399788 2294824 24 17:40:01 9285600 13508148 2449668 14.96 128996 4217436 2637024 15.14 945464 5741440 767804 Average: 12616766 15131046 871751 5.32 73258 2645201 1439990 8.27 508136 2970228 153610 16:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:20 ens3 0.25 0.07 0.04 0.02 0.00 0.00 0.00 0.00 17:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:10:01 ens3 0.25 0.11 0.07 0.04 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:20 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 17:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:30:07 ens3 0.86 0.63 0.91 0.64 0.00 0.00 0.00 0.00 17:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 lo 761.73 761.73 725.28 725.28 0.00 0.00 0.00 0.00 17:40:01 ens3 122.33 95.38 1129.44 20.03 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 150.76 150.76 143.47 143.47 0.00 0.00 0.00 0.00 Average: ens3 24.52 19.04 223.62 4.10 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7688) 02/04/26 _x86_64_ (4 CPU) 16:41:11 LINUX RESTART (4 CPU) 16:50:00 CPU %user %nice %system %iowait %steal %idle 17:00:20 all 0.20 0.00 0.02 0.01 0.01 99.75 17:00:20 0 0.02 0.00 0.03 0.01 0.02 99.92 17:00:20 1 0.64 0.00 0.02 0.00 0.01 99.32 17:00:20 2 0.13 0.00 0.02 0.03 0.01 99.81 17:00:20 3 0.03 0.00 0.02 0.00 0.01 99.94 17:10:01 all 0.17 0.00 0.03 0.01 0.01 99.78 17:10:01 0 0.01 0.00 0.02 0.01 0.01 99.95 17:10:01 1 0.56 0.00 0.05 0.01 0.02 99.36 17:10:01 2 0.07 0.00 0.03 0.01 0.01 99.89 17:10:01 3 0.02 0.00 0.02 0.02 0.01 99.93 17:20:20 all 0.11 0.00 0.02 0.01 0.01 99.85 17:20:20 0 0.02 0.00 0.03 0.03 0.01 99.91 17:20:20 1 0.37 0.00 0.02 0.02 0.02 99.57 17:20:20 2 0.02 0.00 0.02 0.00 0.01 99.94 17:20:20 3 0.01 0.00 0.02 0.00 0.00 99.96 17:30:07 all 0.17 0.00 0.03 0.31 0.01 99.48 17:30:07 0 0.41 0.00 0.03 0.09 0.01 99.46 17:30:07 1 0.07 0.00 0.04 0.45 0.02 99.43 17:30:07 2 0.05 0.00 0.03 0.66 0.01 99.24 17:30:07 3 0.14 0.00 0.02 0.04 0.01 99.80 17:40:01 all 40.45 0.00 1.85 15.52 0.09 42.09 17:40:01 0 37.91 0.00 2.06 14.81 0.09 45.13 17:40:01 1 40.85 0.00 1.77 17.86 0.10 39.42 17:40:01 2 41.59 0.00 1.54 13.83 0.08 42.96 17:40:01 3 41.46 0.00 2.01 15.60 0.08 40.84 Average: all 8.10 0.00 0.38 3.13 0.03 88.36 Average: 0 7.56 0.00 0.43 2.95 0.03 89.04 Average: 1 8.37 0.00 0.38 3.61 0.03 87.61 Average: 2 8.26 0.00 0.32 2.86 0.03 88.53 Average: 3 8.22 0.00 0.41 3.09 0.02 88.26