---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6006 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 11G 67G 14% / 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 636 10516 4 4836 15009 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:77:96:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83783sec preferred_lft 83783sec inet6 fe80::f816:3eff:fe77:96eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:b3:1b:41:84:87 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-6006) 03/19/26 _x86_64_ (4 CPU) 09:36:26 LINUX RESTART (4 CPU) 09:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:01 4.02 0.09 3.66 0.27 3.76 261.58 479.49 10:00:10 41.14 4.22 36.25 0.68 253.72 3862.87 1078.83 10:10:10 3.23 0.06 3.03 0.15 6.67 494.77 194.59 10:20:01 26.94 0.84 23.31 2.79 33.55 6181.38 8606.31 Average: 18.93 1.32 16.65 0.97 75.43 2699.52 2569.44 09:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:01 13680512 15516452 499692 3.05 57284 2004600 1115160 6.40 225468 2208872 208 10:00:10 10565364 13516420 2446936 14.94 112376 3011576 2748220 15.77 492680 4988276 268 10:10:10 9484332 12575968 3386216 20.68 117496 3135028 3579840 20.55 535408 6000384 120 10:20:01 10777564 15377328 578256 3.53 141780 4559704 1057592 6.07 930776 4247224 11676 Average: 11126943 14246542 1727775 10.55 107234 3177727 2125203 12.20 546083 4361189 3068 09:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:01 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 09:50:01 ens3 4.90 1.90 84.23 0.17 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 10:00:10 lo 0.41 0.41 0.06 0.06 0.00 0.00 0.00 0.00 10:00:10 ens3 81.99 65.41 875.67 12.15 0.00 0.00 0.00 0.00 10:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:10 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:10:10 ens3 8.26 7.02 36.11 1.60 0.00 0.00 0.00 0.00 10:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 515.33 515.33 488.91 488.91 0.00 0.00 0.00 0.00 10:20:01 ens3 58.81 47.97 500.93 73.49 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 127.68 127.68 120.97 120.97 0.00 0.00 0.00 0.00 Average: ens3 38.68 30.73 376.47 21.70 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-6006) 03/19/26 _x86_64_ (4 CPU) 09:36:26 LINUX RESTART (4 CPU) 09:40:10 CPU %user %nice %system %iowait %steal %idle 09:50:01 all 0.21 0.00 0.14 0.05 0.02 99.59 09:50:01 0 0.14 0.00 0.25 0.17 0.01 99.44 09:50:01 1 0.21 0.00 0.10 0.02 0.03 99.64 09:50:01 2 0.23 0.00 0.09 0.01 0.03 99.64 09:50:01 3 0.25 0.00 0.10 0.01 0.01 99.64 10:00:10 all 26.95 0.00 0.81 0.28 0.05 71.90 10:00:10 0 29.96 0.00 0.64 0.08 0.05 69.27 10:00:10 1 23.93 0.00 0.73 0.26 0.06 75.01 10:00:10 2 26.43 0.00 0.91 0.25 0.06 72.36 10:00:10 3 27.49 0.00 0.97 0.54 0.05 70.95 10:10:10 all 44.43 0.00 0.61 0.02 0.08 54.86 10:10:10 0 49.17 0.00 0.67 0.01 0.07 50.08 10:10:10 1 43.78 0.00 0.60 0.04 0.08 55.50 10:10:10 2 37.25 0.00 0.59 0.02 0.08 62.07 10:10:10 3 47.51 0.00 0.59 0.01 0.07 51.81 10:20:01 all 49.89 0.00 1.61 0.14 0.09 48.27 10:20:01 0 45.08 0.00 1.55 0.11 0.09 53.17 10:20:01 1 39.14 0.00 1.69 0.21 0.09 58.87 10:20:01 2 70.37 0.00 1.58 0.11 0.11 27.83 10:20:01 3 44.99 0.00 1.61 0.11 0.09 53.21 Average: all 30.39 0.00 0.79 0.12 0.06 68.64 Average: 0 31.13 0.00 0.78 0.09 0.05 67.95 Average: 1 26.83 0.00 0.78 0.13 0.06 72.20 Average: 2 33.50 0.00 0.79 0.10 0.07 65.54 Average: 3 30.08 0.00 0.82 0.17 0.05 68.87