---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4731 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 18G 60G 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 710 10852 4 4425 14936 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:f8:c9:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79551sec preferred_lft 79551sec inet6 fe80::f816:3eff:fef8:c911/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:8b:ec:4c:7f:0e 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 inet6 fe80::408b:ecff:fe4c:7f0e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-4731) 03/18/26 _x86_64_ (4 CPU) 10:34:15 LINUX RESTART (4 CPU) 10:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:06 101.48 23.29 74.15 4.04 350.41 23572.46 12229.40 11:00:06 36.67 13.26 22.25 1.16 160.14 1134.24 1615.96 11:10:09 7.65 0.11 7.14 0.39 7.02 249.70 349.99 11:20:07 13.07 0.07 12.44 0.56 3.29 642.05 425.93 11:30:01 16.29 0.02 15.53 0.74 1.21 477.11 667.06 11:40:07 19.49 0.06 3.60 15.83 1.02 98.07 208984.58 11:50:08 7.56 0.01 7.20 0.35 1.65 234.72 134.07 12:00:01 5.21 0.00 5.01 0.20 0.32 154.41 63.74 12:10:06 4.85 0.00 4.78 0.06 0.37 78.08 169.28 12:20:05 10.36 0.04 9.85 0.47 4.29 645.86 587.12 Average: 22.26 3.69 16.18 2.40 52.97 2727.82 22745.38 10:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:06 200640 3931576 11997000 73.27 270228 3419012 13201796 75.78 2242072 13307776 169708 11:00:06 2946972 6194320 9739492 59.48 277152 2965020 10919700 62.68 2257720 10594064 384 11:10:09 6524316 9795544 6140668 37.50 278096 2987940 6965380 39.98 2266224 7031548 896 11:20:07 11408280 14800584 1138456 6.95 282504 3099636 1879032 10.79 2303756 2121772 372 11:30:01 11108612 14572344 1366608 8.35 285360 3168080 2102372 12.07 2309488 2417232 12480 11:40:07 7778672 11249524 4687448 28.63 286080 3174460 5423884 31.13 2314968 5718572 40 11:50:08 6595888 10100632 5835816 35.64 286932 3207516 6634728 38.08 2317812 6891832 80 12:00:01 6413540 9939368 5996896 36.63 287464 3228072 6787180 38.96 2321048 7077936 440 12:10:06 10621664 14168672 1770036 10.81 287836 3248876 2779092 15.95 2322912 2880396 19972 12:20:05 7608484 11286524 4650212 28.40 292160 3368832 5260372 30.19 2337732 5861032 224 Average: 7120707 10603909 5332263 32.57 283381 3186744 6195354 35.56 2299373 6390216 20460 10:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:06 lo 15.56 15.56 13.19 13.19 0.00 0.00 0.00 0.00 10:50:06 ens3 38.42 30.46 644.72 3.26 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:06 lo 46.47 46.47 22.02 22.02 0.00 0.00 0.00 0.00 11:00:06 ens3 1.87 1.64 0.39 0.34 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:09 lo 19.86 19.86 9.01 9.01 0.00 0.00 0.00 0.00 11:10:09 ens3 0.79 0.50 0.16 0.11 0.00 0.00 0.00 0.00 11:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:07 lo 12.39 12.39 5.77 5.77 0.00 0.00 0.00 0.00 11:20:07 ens3 1.64 1.34 0.35 1.35 0.00 0.00 0.00 0.00 11:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 17.40 17.40 8.56 8.56 0.00 0.00 0.00 0.00 11:30:01 ens3 1.00 0.69 0.21 0.16 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 11:40:07 lo 13.28 13.28 7.22 7.22 0.00 0.00 0.00 0.00 11:40:07 ens3 0.85 0.49 0.23 0.16 0.00 0.00 0.00 0.00 11:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:08 lo 26.68 26.68 10.47 10.47 0.00 0.00 0.00 0.00 11:50:08 ens3 0.85 0.46 0.18 0.12 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 12:00:01 lo 21.60 21.60 10.98 10.98 0.00 0.00 0.00 0.00 12:00:01 ens3 1.55 0.62 0.34 0.21 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:06 lo 11.17 11.17 5.97 5.97 0.00 0.00 0.00 0.00 12:10:06 ens3 0.73 0.40 0.15 0.11 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 18.34 18.34 10.11 10.11 0.00 0.00 0.00 0.00 12:20:05 ens3 1.57 0.99 0.49 0.36 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.26 20.26 10.32 10.32 0.00 0.00 0.00 0.00 Average: ens3 4.93 3.76 64.71 0.62 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-4731) 03/18/26 _x86_64_ (4 CPU) 10:34:15 LINUX RESTART (4 CPU) 10:40:06 CPU %user %nice %system %iowait %steal %idle 10:50:06 all 50.69 0.00 2.12 3.81 0.09 43.29 10:50:06 0 52.36 0.00 2.33 2.93 0.09 42.28 10:50:06 1 50.43 0.00 2.01 4.33 0.09 43.14 10:50:06 2 49.68 0.00 1.98 4.10 0.09 44.15 10:50:06 3 50.29 0.00 2.15 3.89 0.09 43.58 11:00:06 all 45.45 0.07 1.71 0.16 0.11 52.51 11:00:06 0 45.64 0.16 1.75 0.17 0.12 52.16 11:00:06 1 45.29 0.00 1.73 0.15 0.11 52.72 11:00:06 2 45.13 0.11 1.60 0.25 0.12 52.79 11:00:06 3 45.72 0.00 1.75 0.07 0.11 52.35 11:10:09 all 17.03 0.00 0.70 0.20 0.08 81.98 11:10:09 0 17.22 0.00 0.66 0.19 0.08 81.84 11:10:09 1 16.66 0.00 0.69 0.02 0.08 82.54 11:10:09 2 16.75 0.00 0.70 0.21 0.09 82.25 11:10:09 3 17.48 0.00 0.75 0.38 0.09 81.30 11:20:07 all 17.00 0.00 0.64 0.05 0.07 82.23 11:20:07 0 16.70 0.00 0.65 0.03 0.07 82.55 11:20:07 1 17.51 0.00 0.62 0.15 0.07 81.64 11:20:07 2 15.99 0.00 0.60 0.02 0.07 83.32 11:20:07 3 17.77 0.00 0.70 0.02 0.08 81.43 11:30:01 all 25.94 0.00 0.83 0.15 0.08 72.99 11:30:01 0 26.86 0.00 0.74 0.26 0.08 72.06 11:30:01 1 25.26 0.00 0.93 0.08 0.08 73.66 11:30:01 2 26.21 0.00 0.85 0.12 0.08 72.73 11:30:01 3 25.44 0.00 0.81 0.16 0.08 73.52 11:40:07 all 5.79 0.00 0.25 0.07 0.06 93.82 11:40:07 0 5.57 0.00 0.22 0.04 0.06 94.11 11:40:07 1 5.81 0.00 0.26 0.19 0.06 93.67 11:40:07 2 5.68 0.00 0.27 0.05 0.06 93.95 11:40:07 3 6.10 0.00 0.26 0.01 0.07 93.57 11:50:08 all 15.47 0.00 0.68 0.21 0.07 83.57 11:50:08 0 15.25 0.00 0.67 0.52 0.07 83.49 11:50:08 1 15.40 0.00 0.74 0.17 0.08 83.61 11:50:08 2 15.38 0.00 0.67 0.07 0.07 83.81 11:50:08 3 15.87 0.00 0.64 0.07 0.07 83.36 12:00:01 all 11.04 0.00 0.42 0.09 0.07 88.38 12:00:01 0 11.28 0.00 0.39 0.11 0.07 88.15 12:00:01 1 11.15 0.00 0.50 0.12 0.07 88.17 12:00:01 2 11.03 0.00 0.41 0.09 0.07 88.39 12:00:01 3 10.72 0.00 0.38 0.03 0.06 88.80 12:10:06 all 4.34 0.00 0.29 0.11 0.05 95.21 12:10:06 0 4.47 0.00 0.23 0.16 0.04 95.10 12:10:06 1 4.54 0.00 0.30 0.09 0.06 95.01 12:10:06 2 4.80 0.00 0.33 0.08 0.05 94.74 12:10:06 3 3.54 0.00 0.28 0.10 0.05 96.02 12:20:05 all 18.00 0.00 0.71 0.17 0.07 81.05 12:20:05 0 18.45 0.00 0.78 0.23 0.07 80.48 12:20:05 1 17.83 0.00 0.70 0.14 0.07 81.26 12:20:05 2 17.98 0.00 0.70 0.26 0.07 80.99 12:20:05 3 17.75 0.00 0.68 0.04 0.07 81.46 Average: all 21.05 0.01 0.84 0.50 0.08 77.53 Average: 0 21.36 0.02 0.84 0.46 0.08 77.24 Average: 1 20.97 0.00 0.85 0.54 0.08 77.56 Average: 2 20.84 0.01 0.81 0.53 0.08 77.73 Average: 3 21.04 0.00 0.84 0.48 0.08 77.56