---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-39710 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: 5599.94 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 18G 61G 23% / 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 714 9033 3 6241 14932 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:31:d0:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79792sec preferred_lft 79792sec inet6 fe80::f816:3eff:fe31:d059/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:93:8b:76:a1:d8 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-16g-39710) 03/25/26 _x86_64_ (4 CPU) 10:04:33 LINUX RESTART (4 CPU) 10:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:08 71.76 1.20 53.06 17.50 45.57 24670.42 229275.76 10:30:08 43.28 21.87 20.12 1.28 261.33 2447.51 1425.72 10:40:08 14.11 0.04 13.32 0.76 0.41 431.54 2460.00 10:50:08 11.73 0.00 11.21 0.53 0.03 567.01 1026.67 11:00:08 15.24 0.00 14.64 0.60 0.01 479.96 669.72 11:10:08 7.19 0.00 6.95 0.24 0.00 164.00 412.64 11:20:08 5.71 0.00 5.41 0.30 0.09 206.11 144.61 11:30:01 4.89 0.00 4.71 0.18 0.01 149.74 69.72 11:40:06 7.92 0.02 7.58 0.31 3.29 538.14 165.34 11:50:08 8.11 0.04 7.71 0.36 1.10 295.29 352.63 Average: 19.00 2.32 14.48 2.21 31.19 2997.86 23624.08 10:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:08 1340140 12694420 3226324 19.71 256740 10840712 4421876 25.38 2115796 12088324 256492 10:30:08 4128112 9289388 6639088 40.55 259080 4764916 7219432 41.44 2276068 9273188 192 10:40:08 3619324 8806696 7122988 43.50 262192 4787624 8334832 47.84 2310840 9735344 432 10:50:08 6226268 11525420 4404820 26.90 266908 4889284 5181212 29.74 2336468 7114272 136 11:00:08 6023076 11391736 4538564 27.72 269596 4955980 5283316 30.33 2342324 7305052 172 11:10:08 8904576 14302216 1629696 9.95 270716 4983740 2787076 16.00 2344268 4440136 13912 11:20:08 4527724 9946732 5982540 36.54 271892 5003852 6800048 39.03 2346768 8776884 272 11:30:01 4447136 9887888 6041284 36.90 272680 5024776 6758612 38.79 2350080 8870484 236 11:40:06 6459408 12028952 3901464 23.83 276860 5143396 4949844 28.41 2357688 6856448 1472 11:50:08 5365140 10984748 4944944 30.20 278228 5191736 5829780 33.46 2377808 7923872 228 Average: 5104090 11085820 4843171 29.58 268489 5558602 5756603 33.04 2315811 8238400 27354 10:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:08 lo 2.45 2.45 2.28 2.28 0.00 0.00 0.00 0.00 10:20:08 ens3 40.94 31.05 644.13 3.29 0.00 0.00 0.00 0.00 10:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:08 lo 20.78 20.78 13.68 13.68 0.00 0.00 0.00 0.00 10:30:08 ens3 1.94 1.03 0.45 0.33 0.00 0.00 0.00 0.00 10:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:08 lo 21.70 21.70 11.56 11.56 0.00 0.00 0.00 0.00 10:40:08 ens3 1.17 1.07 0.22 0.18 0.00 0.00 0.00 0.00 10:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:08 lo 12.07 12.07 5.46 5.46 0.00 0.00 0.00 0.00 10:50:08 ens3 1.25 0.67 0.32 0.22 0.00 0.00 0.00 0.00 10:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 14.56 14.56 7.83 7.83 0.00 0.00 0.00 0.00 11:00:08 ens3 1.29 0.84 0.30 0.22 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:08 lo 17.85 17.85 8.62 8.62 0.00 0.00 0.00 0.00 11:10:08 ens3 1.07 0.61 0.25 0.17 0.00 0.00 0.00 0.00 11:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:08 lo 29.49 29.49 11.70 11.70 0.00 0.00 0.00 0.00 11:20:08 ens3 1.03 0.47 0.20 0.12 0.00 0.00 0.00 0.00 11:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 19.62 19.62 10.32 10.32 0.00 0.00 0.00 0.00 11:30:01 ens3 1.10 0.62 0.26 0.18 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:06 lo 14.44 14.44 7.81 7.81 0.00 0.00 0.00 0.00 11:40:06 ens3 1.70 1.31 0.36 1.84 0.00 0.00 0.00 0.00 11:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:08 lo 23.48 23.48 11.29 11.29 0.00 0.00 0.00 0.00 11:50:08 ens3 1.52 0.76 0.33 0.22 0.00 0.00 0.00 0.00 11:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.64 17.64 9.05 9.05 0.00 0.00 0.00 0.00 Average: ens3 5.31 3.85 64.75 0.68 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-16g-39710) 03/25/26 _x86_64_ (4 CPU) 10:04:33 LINUX RESTART (4 CPU) 10:10:07 CPU %user %nice %system %iowait %steal %idle 10:20:08 all 30.72 0.00 1.43 13.82 0.08 53.94 10:20:08 0 29.38 0.00 1.34 19.06 0.08 50.14 10:20:08 1 30.23 0.00 1.34 6.44 0.08 61.90 10:20:08 2 33.92 0.00 1.72 12.82 0.08 51.47 10:20:08 3 29.36 0.00 1.33 16.98 0.08 52.24 10:30:08 all 28.16 0.00 1.39 4.83 0.21 65.41 10:30:08 0 27.99 0.00 1.43 4.99 0.19 65.41 10:30:08 1 28.30 0.00 1.34 4.10 0.20 66.06 10:30:08 2 29.63 0.00 1.29 3.87 0.18 65.03 10:30:08 3 26.71 0.00 1.49 6.38 0.29 65.14 10:40:08 all 32.99 0.00 1.16 0.30 0.13 65.42 10:40:08 0 32.88 0.00 1.05 0.08 0.11 65.89 10:40:08 1 33.42 0.00 1.28 0.17 0.16 64.97 10:40:08 2 32.70 0.00 1.13 0.11 0.11 65.95 10:40:08 3 32.98 0.00 1.19 0.82 0.13 64.88 10:50:08 all 17.49 0.00 0.68 0.80 0.08 80.96 10:50:08 0 18.14 0.00 0.69 0.35 0.07 80.75 10:50:08 1 17.79 0.00 0.66 0.12 0.08 81.34 10:50:08 2 16.98 0.00 0.77 1.03 0.08 81.13 10:50:08 3 17.05 0.00 0.59 1.69 0.08 80.59 11:00:08 all 28.67 0.00 1.06 0.78 0.16 69.33 11:00:08 0 29.30 0.00 0.99 0.97 0.20 68.55 11:00:08 1 28.38 0.00 0.96 1.30 0.16 69.20 11:00:08 2 27.95 0.00 1.14 0.63 0.13 70.15 11:00:08 3 29.05 0.00 1.14 0.23 0.15 69.44 11:10:08 all 11.55 0.00 0.55 0.10 0.07 87.72 11:10:08 0 11.05 0.00 0.58 0.03 0.07 88.27 11:10:08 1 11.39 0.00 0.58 0.16 0.08 87.79 11:10:08 2 11.87 0.00 0.58 0.19 0.08 87.29 11:10:08 3 11.89 0.00 0.48 0.03 0.07 87.53 11:20:08 all 15.18 0.00 0.59 0.20 0.09 83.95 11:20:08 0 14.99 0.00 0.55 0.39 0.08 83.99 11:20:08 1 15.17 0.00 0.58 0.05 0.08 84.12 11:20:08 2 15.40 0.00 0.65 0.28 0.10 83.57 11:20:08 3 15.17 0.00 0.58 0.06 0.10 84.10 11:30:01 all 11.58 0.00 0.61 0.02 0.13 87.66 11:30:01 0 11.84 0.00 0.61 0.01 0.17 87.38 11:30:01 1 11.77 0.00 0.64 0.00 0.07 87.52 11:30:01 2 11.23 0.00 0.66 0.02 0.13 87.96 11:30:01 3 11.49 0.00 0.55 0.04 0.16 87.76 11:40:06 all 13.17 0.00 0.69 0.06 0.07 86.02 11:40:06 0 13.43 0.00 0.66 0.05 0.06 85.80 11:40:06 1 13.62 0.00 0.73 0.05 0.07 85.54 11:40:06 2 13.43 0.00 0.63 0.11 0.07 85.76 11:40:06 3 12.19 0.00 0.73 0.02 0.07 87.00 11:50:08 all 16.92 0.00 0.67 0.05 0.07 82.28 11:50:08 0 16.69 0.00 0.61 0.06 0.07 82.57 11:50:08 1 17.68 0.00 0.67 0.01 0.07 81.57 11:50:08 2 16.45 0.00 0.74 0.03 0.07 82.71 11:50:08 3 16.88 0.00 0.68 0.09 0.08 82.28 Average: all 20.65 0.00 0.88 2.10 0.11 76.26 Average: 0 20.57 0.00 0.85 2.60 0.11 75.87 Average: 1 20.78 0.00 0.88 1.24 0.11 77.00 Average: 2 20.96 0.00 0.93 1.91 0.10 76.09 Average: 3 20.28 0.00 0.88 2.64 0.12 76.09