---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13135 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): 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 12G 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 770 25157 4 6164 30854 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:99:83:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84538sec preferred_lft 84538sec inet6 fe80::f816:3eff:fe99:8361/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:bf:c8:a8:25:8a 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-8c-8g-13135) 02/18/26 _x86_64_ (8 CPU) 04:31:12 LINUX RESTART (8 CPU) 04:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:01 1.29 0.01 1.27 0.01 0.04 16.52 511.15 05:00:01 69.34 4.55 50.21 14.58 155.05 11953.20 515588.30 Average: 35.31 2.28 25.74 7.29 77.55 5984.86 258049.72 04:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:01 29973236 31871664 509692 1.55 64980 2169044 1491424 4.40 328952 2251988 4 05:00:01 26313420 31660012 647020 1.97 131160 5455024 1161684 3.43 1402112 4679004 32 Average: 28143328 31765838 578356 1.76 98070 3812034 1326554 3.91 865532 3465496 18 04:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:50:01 ens3 0.29 0.09 0.05 0.02 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 lo 159.23 159.23 195.38 195.38 0.00 0.00 0.00 0.00 05:00:01 ens3 640.40 375.74 1642.30 1130.72 0.00 0.00 0.00 0.00 05:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 79.66 79.66 97.69 97.69 0.00 0.00 0.00 0.00 Average: ens3 320.34 187.92 821.18 565.37 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-8c-8g-13135) 02/18/26 _x86_64_ (8 CPU) 04:31:12 LINUX RESTART (8 CPU) 04:40:01 CPU %user %nice %system %iowait %steal %idle 04:50:01 all 0.07 0.00 0.01 0.00 0.01 99.91 04:50:01 0 0.02 0.00 0.01 0.00 0.01 99.97 04:50:01 1 0.47 0.00 0.03 0.00 0.02 99.48 04:50:01 2 0.00 0.00 0.00 0.03 0.01 99.96 04:50:01 3 0.01 0.00 0.01 0.00 0.00 99.97 04:50:01 4 0.02 0.00 0.02 0.00 0.01 99.94 04:50:01 5 0.01 0.00 0.01 0.01 0.01 99.97 04:50:01 6 0.01 0.00 0.01 0.00 0.02 99.96 04:50:01 7 0.01 0.00 0.00 0.00 0.00 99.99 05:00:01 all 11.84 0.00 0.90 0.18 0.04 87.04 05:00:01 0 6.94 0.00 0.86 0.46 0.04 91.70 05:00:01 1 14.99 0.00 0.99 0.10 0.05 83.87 05:00:01 2 10.86 0.00 1.08 0.29 0.04 87.73 05:00:01 3 11.75 0.00 0.88 0.06 0.04 87.28 05:00:01 4 13.47 0.00 0.77 0.07 0.04 85.65 05:00:01 5 10.31 0.00 0.79 0.10 0.05 88.75 05:00:01 6 14.53 0.00 0.81 0.15 0.04 84.47 05:00:01 7 11.84 0.00 1.06 0.22 0.04 86.84 Average: all 5.94 0.00 0.46 0.09 0.03 93.48 Average: 0 3.47 0.00 0.43 0.23 0.02 95.84 Average: 1 7.72 0.00 0.51 0.05 0.04 91.69 Average: 2 5.42 0.00 0.54 0.16 0.02 93.85 Average: 3 5.87 0.00 0.44 0.03 0.02 93.63 Average: 4 6.74 0.00 0.40 0.04 0.03 92.80 Average: 5 5.15 0.00 0.40 0.05 0.03 94.37 Average: 6 7.26 0.00 0.41 0.07 0.03 92.23 Average: 7 5.92 0.00 0.53 0.11 0.02 93.42