---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54183 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 704 11090 3 4194 14942 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:e0:1e:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79475sec preferred_lft 79475sec inet6 fe80::f816:3eff:fee0:1e5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:7e:2e:43:04:f3 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::107e:2eff:fe43:4f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54183) 03/30/26 _x86_64_ (4 CPU) 05:52:26 LINUX RESTART (4 CPU) 06:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:10:07 83.89 22.94 58.09 2.85 356.90 6884.75 2899.85 06:20:08 21.52 4.00 16.57 0.95 82.40 494.93 521.61 06:30:09 8.60 0.24 7.93 0.44 12.05 294.31 609.67 06:40:09 15.60 0.04 14.91 0.65 1.97 696.24 364.39 06:50:09 11.85 0.01 11.34 0.49 0.93 353.68 905.02 07:00:09 22.23 0.13 6.25 15.85 2.29 204.26 211851.70 07:10:09 3.55 0.01 3.40 0.14 0.17 62.99 13.06 07:20:09 7.33 0.01 7.03 0.30 1.36 251.01 190.77 07:30:09 4.60 0.01 4.44 0.15 0.67 151.43 55.62 07:40:09 10.15 0.03 9.76 0.36 3.85 578.57 238.36 Average: 18.93 2.74 13.97 2.22 46.24 996.73 21746.62 06:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:10:07 2535400 5886924 10044636 61.35 260736 3065356 11690696 67.10 2035728 11209468 976 06:20:08 3066632 5990944 9944704 60.74 262376 2668912 11196500 64.27 2069108 10681512 176 06:30:09 6692476 9643080 6294980 38.45 263756 2693840 7068108 40.57 2077572 7053972 324 06:40:09 10571864 13651972 2288436 13.98 269352 2817688 3052252 17.52 2115896 3139500 120 06:50:09 8339944 11470528 4468408 27.29 271416 2866096 5275780 30.28 2120180 5370344 132 07:00:09 10968788 14136304 1804320 11.02 274136 2900308 2902256 16.66 2128672 2753816 368 07:10:09 8204108 11375708 4563068 27.87 274492 2904036 5273536 30.27 2129128 5492060 52 07:20:09 6821888 10032372 5905920 36.07 275252 2942160 6706476 38.50 2134132 6869496 168 07:30:09 8322080 11556304 4382668 26.77 275848 2965304 5177820 29.72 2136564 5380372 76 07:40:09 7907268 11269484 4669396 28.52 280132 3088856 5253096 30.15 2151456 5776508 240 Average: 7343045 10501362 5436654 33.20 270750 2891256 6359652 36.50 2109844 6372705 263 06:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:10:07 lo 21.88 21.88 17.47 17.47 0.00 0.00 0.00 0.00 06:10:07 ens3 1.89 1.92 0.58 0.51 0.00 0.00 0.00 0.00 06:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:08 lo 44.37 44.37 18.60 18.60 0.00 0.00 0.00 0.00 06:20:08 ens3 1.51 1.37 0.30 0.26 0.00 0.00 0.00 0.00 06:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:09 lo 18.24 18.24 9.23 9.23 0.00 0.00 0.00 0.00 06:30:09 ens3 0.92 0.60 0.28 0.19 0.00 0.00 0.00 0.00 06:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:09 lo 11.21 11.21 5.56 5.56 0.00 0.00 0.00 0.00 06:40:09 ens3 1.05 0.88 0.30 0.24 0.00 0.00 0.00 0.00 06:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:09 lo 11.80 11.80 6.21 6.21 0.00 0.00 0.00 0.00 06:50:09 ens3 0.71 0.52 0.16 0.12 0.00 0.00 0.00 0.00 06:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:09 lo 18.01 18.01 8.69 8.69 0.00 0.00 0.00 0.00 07:00:09 ens3 1.05 0.88 0.25 1.35 0.00 0.00 0.00 0.00 07:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:09 lo 24.42 24.42 8.21 8.21 0.00 0.00 0.00 0.00 07:10:09 ens3 0.42 0.28 0.09 0.06 0.00 0.00 0.00 0.00 07:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:09 lo 19.00 19.00 10.86 10.86 0.00 0.00 0.00 0.00 07:20:09 ens3 0.97 0.69 0.24 0.18 0.00 0.00 0.00 0.00 07:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:09 lo 17.36 17.36 9.82 9.82 0.00 0.00 0.00 0.00 07:30:09 ens3 0.65 0.53 0.13 0.10 0.00 0.00 0.00 0.00 07:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:09 lo 18.23 18.23 9.09 9.09 0.00 0.00 0.00 0.00 07:40:09 ens3 1.11 0.88 0.31 0.25 0.00 0.00 0.00 0.00 07:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.46 20.46 10.37 10.37 0.00 0.00 0.00 0.00 Average: ens3 1.03 0.86 0.26 0.33 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-54183) 03/30/26 _x86_64_ (4 CPU) 05:52:26 LINUX RESTART (4 CPU) 06:00:07 CPU %user %nice %system %iowait %steal %idle 06:10:07 all 54.45 0.00 2.20 0.38 0.11 42.86 06:10:07 0 54.77 0.00 1.99 0.17 0.11 42.96 06:10:07 1 54.73 0.00 2.27 0.20 0.11 42.69 06:10:07 2 53.29 0.00 2.27 0.81 0.11 43.52 06:10:07 3 55.01 0.00 2.26 0.35 0.11 42.27 06:20:08 all 39.65 0.00 1.47 0.10 0.11 58.68 06:20:08 0 39.52 0.00 1.35 0.05 0.11 58.97 06:20:08 1 39.83 0.00 1.51 0.21 0.11 58.33 06:20:08 2 39.42 0.00 1.58 0.06 0.11 58.84 06:20:08 3 39.82 0.00 1.42 0.07 0.11 58.60 06:30:09 all 19.44 0.00 0.83 0.09 0.09 79.56 06:30:09 0 19.20 0.00 0.75 0.05 0.08 79.92 06:30:09 1 18.54 0.00 0.78 0.06 0.09 80.53 06:30:09 2 20.13 0.00 0.80 0.13 0.09 78.84 06:30:09 3 19.91 0.00 0.97 0.10 0.09 78.93 06:40:09 all 25.04 0.00 1.00 0.24 0.09 73.63 06:40:09 0 24.57 0.00 0.93 0.46 0.09 73.95 06:40:09 1 27.07 0.00 1.09 0.19 0.09 71.56 06:40:09 2 24.62 0.00 0.91 0.14 0.09 74.24 06:40:09 3 23.91 0.00 1.06 0.16 0.09 74.78 06:50:09 all 20.15 0.00 0.75 0.05 0.07 78.98 06:50:09 0 19.69 0.00 0.76 0.08 0.07 79.40 06:50:09 1 20.10 0.00 0.74 0.07 0.07 79.02 06:50:09 2 20.48 0.00 0.88 0.02 0.08 78.54 06:50:09 3 20.33 0.00 0.61 0.02 0.07 78.98 07:00:09 all 10.94 0.00 0.56 0.12 0.06 88.32 07:00:09 0 10.41 0.00 0.54 0.27 0.06 88.72 07:00:09 1 11.16 0.00 0.49 0.03 0.06 88.27 07:00:09 2 10.70 0.00 0.60 0.05 0.06 88.59 07:00:09 3 11.49 0.00 0.61 0.14 0.06 87.70 07:10:09 all 6.31 0.00 0.41 0.08 0.05 93.14 07:10:09 0 6.33 0.00 0.40 0.10 0.05 93.12 07:10:09 1 6.14 0.00 0.47 0.18 0.05 93.15 07:10:09 2 6.34 0.00 0.41 0.01 0.06 93.19 07:10:09 3 6.44 0.00 0.36 0.03 0.06 93.11 07:20:09 all 18.01 0.00 0.61 0.82 0.08 80.48 07:20:09 0 17.77 0.00 0.69 0.32 0.08 81.14 07:20:09 1 18.11 0.00 0.48 1.48 0.08 79.85 07:20:09 2 18.11 0.00 0.66 0.39 0.08 80.77 07:20:09 3 18.04 0.00 0.61 1.10 0.08 80.16 07:30:09 all 9.07 0.00 0.41 0.41 0.06 90.05 07:30:09 0 9.39 0.00 0.39 0.41 0.05 89.75 07:30:09 1 9.22 0.00 0.48 0.51 0.06 89.72 07:30:09 2 8.80 0.00 0.46 0.02 0.07 90.66 07:30:09 3 8.85 0.00 0.33 0.70 0.06 90.06 07:40:09 all 15.68 0.00 0.65 0.52 0.07 83.08 07:40:09 0 15.39 0.00 0.65 0.33 0.07 83.56 07:40:09 1 16.62 0.00 0.70 0.67 0.07 81.93 07:40:09 2 15.25 0.00 0.63 0.51 0.07 83.55 07:40:09 3 15.47 0.00 0.61 0.55 0.07 83.30 Average: all 21.87 0.00 0.89 0.28 0.08 76.88 Average: 0 21.70 0.00 0.85 0.22 0.08 77.15 Average: 1 22.15 0.00 0.90 0.36 0.08 76.51 Average: 2 21.71 0.00 0.92 0.21 0.08 77.08 Average: 3 21.92 0.00 0.88 0.32 0.08 76.79