---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54546 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 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 736 10977 3 4275 14910 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:ec:75:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79537sec preferred_lft 79537sec inet6 fe80::f816:3eff:feec:75ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:b6:f2:e3:4c:99 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::38b6:f2ff:fee3:4c99/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54546) 03/31/26 _x86_64_ (4 CPU) 10:33:31 LINUX RESTART (4 CPU) 10:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 72.82 1.69 67.81 3.32 101.51 27135.57 10384.43 11:00:06 50.86 23.85 25.59 1.41 317.67 1609.00 885.66 11:10:06 13.22 0.38 12.13 0.72 14.85 383.23 597.98 11:20:02 8.86 0.04 8.38 0.44 1.34 528.05 465.40 11:30:06 32.07 0.11 15.97 15.99 1.43 519.52 210655.87 11:40:06 9.30 0.02 8.90 0.38 1.52 284.71 511.92 11:50:07 4.71 0.04 4.52 0.15 2.21 131.83 60.10 12:00:06 17.24 12.00 5.07 0.17 141.77 165.23 338.09 12:10:07 5.34 0.02 5.15 0.18 1.28 155.76 75.17 12:20:07 5.22 0.00 5.06 0.16 0.15 154.36 58.52 Average: 21.97 3.83 15.84 2.30 58.52 3089.73 22554.35 10:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 157256 8032072 7889480 48.19 256608 7407888 9990936 57.35 2151136 13290124 1768 11:00:06 949584 4348272 11583372 70.75 264232 3107108 12637116 72.54 2204352 12626148 420 11:10:06 6719588 10151744 5784388 35.33 266040 3138700 6950036 39.89 2241336 6837780 164 11:20:02 8730516 12261624 3675080 22.45 270364 3229096 4423984 25.39 2272528 4783356 192 11:30:06 9992744 13599620 2337768 14.28 275036 3300168 3061512 17.57 2302436 3508564 308 11:40:06 7849524 11497572 4438572 27.11 276440 3339832 5170316 29.68 2305760 5645244 256 11:50:07 7734704 11401172 4534760 27.70 277100 3357560 5258676 30.18 2307596 5750828 396 12:00:06 6081012 9826208 6108568 37.31 281992 3418300 6854556 39.35 2350012 7347788 600 12:10:07 6214124 9981264 5953380 36.36 282692 3439496 6751004 38.75 2353552 7202816 300 12:20:07 7597876 11387796 4547916 27.78 283400 3461516 5313000 30.50 2355828 5818472 144 Average: 6202693 10248734 5685328 34.72 273390 3719966 6641114 38.12 2284454 7281112 455 10:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 3.39 3.39 3.18 3.18 0.00 0.00 0.00 0.00 10:50:01 ens3 40.91 30.29 649.21 3.19 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:06 lo 34.52 34.52 18.98 18.98 0.00 0.00 0.00 0.00 11:00:06 ens3 1.85 1.82 0.42 0.38 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 11:10:06 lo 38.51 38.51 15.99 15.99 0.00 0.00 0.00 0.00 11:10:06 ens3 2.35 1.15 0.48 0.29 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:02 lo 11.43 11.43 6.09 6.09 0.00 0.00 0.00 0.00 11:20:02 ens3 1.06 0.89 0.26 1.40 0.00 0.00 0.00 0.00 11:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:06 lo 8.92 8.92 4.33 4.33 0.00 0.00 0.00 0.00 11:30:06 ens3 0.76 0.55 0.14 0.10 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:06 lo 15.51 15.51 8.08 8.08 0.00 0.00 0.00 0.00 11:40:06 ens3 1.19 0.62 0.24 0.15 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 11:50:07 lo 20.58 20.58 8.65 8.65 0.00 0.00 0.00 0.00 11:50:07 ens3 0.93 0.57 0.21 0.15 0.00 0.00 0.00 0.00 11:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:06 lo 25.75 25.75 10.89 10.89 0.00 0.00 0.00 0.00 12:00:06 ens3 0.79 0.51 0.20 0.15 0.00 0.00 0.00 0.00 12:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:07 lo 13.42 13.42 7.49 7.49 0.00 0.00 0.00 0.00 12:10:07 ens3 1.11 0.55 0.25 0.16 0.00 0.00 0.00 0.00 12:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:07 lo 11.82 11.82 7.00 7.00 0.00 0.00 0.00 0.00 12:20:07 ens3 0.74 0.42 0.17 0.11 0.00 0.00 0.00 0.00 12:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.41 18.41 9.08 9.08 0.00 0.00 0.00 0.00 Average: ens3 5.14 3.72 64.72 0.61 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-54546) 03/31/26 _x86_64_ (4 CPU) 10:33:31 LINUX RESTART (4 CPU) 10:40:05 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 34.26 0.00 1.60 15.50 0.09 48.54 10:50:01 0 37.67 0.00 1.65 14.48 0.09 46.10 10:50:01 1 34.17 0.00 1.50 14.91 0.09 49.33 10:50:01 2 32.72 0.00 1.72 15.25 0.09 50.22 10:50:01 3 32.48 0.00 1.54 17.36 0.10 48.52 11:00:06 all 47.81 0.00 1.96 0.10 0.13 50.00 11:00:06 0 48.30 0.00 1.81 0.05 0.13 49.71 11:00:06 1 48.09 0.00 2.07 0.20 0.13 49.51 11:00:06 2 48.99 0.00 2.00 0.08 0.14 48.80 11:00:06 3 45.84 0.00 1.97 0.07 0.13 51.98 11:10:06 all 26.20 0.00 1.22 0.06 0.10 72.41 11:10:06 0 25.89 0.00 1.17 0.04 0.10 72.80 11:10:06 1 26.10 0.00 1.19 0.03 0.10 72.59 11:10:06 2 26.09 0.00 1.45 0.09 0.11 72.27 11:10:06 3 26.73 0.00 1.09 0.07 0.10 72.00 11:20:02 all 15.93 0.00 0.65 0.13 0.07 83.22 11:20:02 0 15.74 0.00 0.60 0.16 0.07 83.43 11:20:02 1 15.62 0.00 0.65 0.05 0.08 83.60 11:20:02 2 15.71 0.00 0.60 0.13 0.07 83.49 11:20:02 3 16.64 0.00 0.74 0.17 0.07 82.38 11:30:06 all 23.44 0.00 0.78 0.08 0.08 75.62 11:30:06 0 23.53 0.00 0.86 0.22 0.07 75.32 11:30:06 1 23.49 0.00 0.72 0.02 0.07 75.69 11:30:06 2 23.47 0.00 0.84 0.07 0.08 75.54 11:30:06 3 23.27 0.00 0.71 0.03 0.08 75.92 11:40:06 all 17.87 0.00 0.68 0.03 0.08 81.35 11:40:06 0 17.51 0.00 0.55 0.02 0.07 81.84 11:40:06 1 18.04 0.00 0.69 0.02 0.08 81.17 11:40:06 2 18.44 0.00 0.83 0.04 0.08 80.62 11:40:06 3 17.50 0.00 0.64 0.02 0.07 81.76 11:50:07 all 8.10 0.00 0.35 0.02 0.07 91.46 11:50:07 0 7.74 0.00 0.36 0.02 0.07 91.81 11:50:07 1 8.16 0.00 0.36 0.02 0.08 91.39 11:50:07 2 8.40 0.00 0.38 0.00 0.07 91.15 11:50:07 3 8.10 0.00 0.32 0.03 0.07 91.48 12:00:06 all 10.39 0.08 0.49 0.07 0.08 88.90 12:00:06 0 10.10 0.03 0.44 0.07 0.07 89.29 12:00:06 1 10.09 0.00 0.45 0.01 0.08 89.37 12:00:06 2 10.67 0.27 0.56 0.18 0.08 88.24 12:00:06 3 10.70 0.00 0.52 0.03 0.07 88.69 12:10:07 all 9.51 0.00 0.49 0.02 0.08 89.91 12:10:07 0 9.76 0.00 0.45 0.04 0.07 89.67 12:10:07 1 9.08 0.00 0.49 0.02 0.08 90.34 12:10:07 2 9.75 0.00 0.65 0.01 0.08 89.51 12:10:07 3 9.45 0.00 0.35 0.02 0.07 90.11 12:20:07 all 7.56 0.00 0.49 0.02 0.07 91.87 12:20:07 0 7.52 0.00 0.49 0.01 0.09 91.89 12:20:07 1 7.11 0.00 0.48 0.02 0.07 92.33 12:20:07 2 8.14 0.00 0.54 0.02 0.07 91.23 12:20:07 3 7.45 0.00 0.44 0.03 0.06 92.01 Average: all 20.11 0.01 0.87 1.59 0.08 77.33 Average: 0 20.39 0.00 0.84 1.50 0.08 77.18 Average: 1 20.00 0.00 0.86 1.52 0.09 77.53 Average: 2 20.24 0.03 0.96 1.58 0.09 77.11 Average: 3 19.82 0.00 0.83 1.77 0.08 77.50