---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6005 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 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 640 9165 4 6183 15006 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:52:37:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84368sec preferred_lft 84368sec inet6 fe80::f816:3eff:fe52:3781/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:40:a7:e6:d0:84 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-6005) 03/19/26 _x86_64_ (4 CPU) 09:36:20 LINUX RESTART (4 CPU) 09:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:01 31.70 2.83 25.29 3.58 526.93 4683.94 62164.84 10:00:12 14.33 0.15 12.09 2.08 4.61 1492.99 22713.26 10:10:04 32.67 0.48 27.98 4.21 18.12 7687.49 5963.30 Average: 26.12 1.15 21.70 3.28 182.16 4589.39 30274.80 09:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:01 9500092 13185948 2771492 16.93 131900 3679236 2999380 17.22 822716 5655432 788 10:00:12 9418984 13538364 2415636 14.75 153360 4058188 2677936 15.37 948364 5574152 52168 10:10:04 9355408 15334484 610264 3.73 179184 5810404 1115564 6.40 1741808 4755768 13196 Average: 9424828 14019599 1932464 11.80 154815 4515943 2264293 13.00 1170963 5328451 22051 09:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:01 lo 16.78 16.78 3.58 3.58 0.00 0.00 0.00 0.00 09:50:01 ens3 80.12 61.68 869.34 10.68 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:12 lo 665.47 665.47 600.95 600.95 0.00 0.00 0.00 0.00 10:00:12 ens3 28.88 20.68 239.83 3.73 0.00 0.00 0.00 0.00 10:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:04 lo 1993.23 1993.23 1920.58 1920.58 0.00 0.00 0.00 0.00 10:10:04 ens3 94.64 81.63 241.83 889.51 0.00 0.00 0.00 0.00 10:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 887.51 887.51 837.32 837.32 0.00 0.00 0.00 0.00 Average: ens3 67.50 54.33 449.12 297.58 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-6005) 03/19/26 _x86_64_ (4 CPU) 09:36:20 LINUX RESTART (4 CPU) 09:40:04 CPU %user %nice %system %iowait %steal %idle 09:50:01 all 31.94 0.00 1.46 1.27 0.08 65.25 09:50:01 0 31.80 0.00 1.23 0.78 0.08 66.10 09:50:01 1 30.82 0.00 1.51 0.57 0.07 67.04 09:50:01 2 33.06 0.00 1.84 2.93 0.08 62.08 09:50:01 3 32.09 0.00 1.26 0.81 0.08 65.77 10:00:12 all 24.23 0.00 1.28 0.32 0.09 74.07 10:00:12 0 25.19 0.00 1.26 0.19 0.09 73.27 10:00:12 1 24.92 0.00 1.39 0.16 0.09 73.43 10:00:12 2 24.64 0.00 1.28 0.47 0.09 73.53 10:00:12 3 22.17 0.00 1.19 0.48 0.10 76.06 10:10:04 all 49.01 0.00 2.62 4.00 0.11 44.27 10:10:04 0 51.75 0.00 2.73 4.05 0.11 41.36 10:10:04 1 49.57 0.00 3.04 5.51 0.11 41.77 10:10:04 2 50.78 0.00 2.71 2.55 0.11 43.86 10:10:04 3 43.95 0.00 2.01 3.87 0.10 50.07 Average: all 34.93 0.00 1.78 1.85 0.09 61.35 Average: 0 36.12 0.00 1.73 1.66 0.09 60.40 Average: 1 34.98 0.00 1.97 2.05 0.09 60.91 Average: 2 36.01 0.00 1.93 1.97 0.09 60.00 Average: 3 32.62 0.00 1.48 1.71 0.09 64.10