---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3903 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 689 10781 3 4518 14957 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:a7:9b:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79848sec preferred_lft 79848sec inet6 fe80::f816:3eff:fea7:9b91/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:fc:d9:1c:78:ac 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::14fc:d9ff:fe1c:78ac/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-3903) 04/17/26 _x86_64_ (4 CPU) 07:39:48 LINUX RESTART (4 CPU) 07:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:09 158.99 16.63 136.67 5.69 2300.46 42233.50 13882.30 08:00:11 64.87 23.32 39.41 2.15 329.65 2108.21 3112.57 08:10:14 12.54 0.14 11.73 0.67 7.52 405.69 844.83 08:20:14 11.55 0.05 10.97 0.53 2.65 596.29 564.68 08:30:14 15.80 0.02 15.07 0.72 1.11 488.96 295.48 08:40:14 7.55 0.01 7.21 0.33 0.53 218.55 294.92 08:50:14 4.74 0.20 4.33 0.21 8.44 139.72 99.45 09:00:14 5.22 0.00 5.05 0.18 0.31 158.41 68.13 09:10:14 21.35 0.07 5.39 15.88 0.84 163.41 210854.78 09:20:14 21.12 12.05 8.67 0.40 141.99 568.85 113.27 Average: 32.57 5.27 24.62 2.68 282.30 4762.38 22982.98 07:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:09 1164128 12718232 3200752 19.55 263064 11025380 4596528 26.38 2208332 12154964 11292 08:00:11 7160072 10427980 5504920 33.62 265772 2990700 6709808 38.51 2151492 6495564 3904 08:10:14 1273644 4566824 11366160 69.42 267584 3014100 12327468 70.76 2164236 12362300 284 08:20:14 8184528 11592548 4344652 26.54 272172 3124252 5173500 29.70 2200736 5427040 148 08:30:14 7889648 11367352 4569816 27.91 274472 3191632 5396452 30.98 2207432 5726064 324 08:40:14 8067024 11573952 4363136 26.65 275368 3219944 5198272 29.84 2209484 5546104 556 08:50:14 6803216 10332328 5604184 34.23 276140 3241360 6548304 37.59 2212976 6794732 512 09:00:14 6507264 10058332 5877988 35.90 276812 3262652 6674468 38.31 2216380 7082136 80 09:10:14 7807176 11387424 4549668 27.79 279668 3288972 5338100 30.64 2225428 5787888 344 09:20:14 7574400 11338280 4598156 28.08 288084 3445268 5260556 30.20 2280184 5941284 232 Average: 6243110 10536325 5397943 32.97 273914 3980426 6322346 36.29 2207668 7331808 1768 07:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:09 lo 3.32 3.32 2.44 2.44 0.00 0.00 0.00 0.00 07:50:09 ens3 154.97 117.88 2103.93 16.91 0.00 0.00 0.00 0.00 07:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:11 lo 40.45 40.45 24.98 24.98 0.00 0.00 0.00 0.00 08:00:11 ens3 2.10 2.00 0.51 1.25 0.00 0.00 0.00 0.00 08:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:14 lo 29.66 29.66 13.86 13.86 0.00 0.00 0.00 0.00 08:10:14 ens3 1.11 0.90 0.26 0.20 0.00 0.00 0.00 0.00 08:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:14 lo 21.74 21.74 8.72 8.72 0.00 0.00 0.00 0.00 08:20:14 ens3 0.86 0.71 0.26 0.20 0.00 0.00 0.00 0.00 08:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:14 lo 17.38 17.38 8.58 8.58 0.00 0.00 0.00 0.00 08:30:14 ens3 1.06 0.73 0.27 0.20 0.00 0.00 0.00 0.00 08:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:14 lo 18.31 18.31 9.16 9.16 0.00 0.00 0.00 0.00 08:40:14 ens3 0.84 0.59 0.19 0.14 0.00 0.00 0.00 0.00 08:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:14 lo 20.83 20.83 8.16 8.16 0.00 0.00 0.00 0.00 08:50:14 ens3 0.46 0.31 0.12 0.07 0.00 0.00 0.00 0.00 08:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:14 lo 21.82 21.82 10.87 10.87 0.00 0.00 0.00 0.00 09:00:14 ens3 0.81 0.72 0.23 0.18 0.00 0.00 0.00 0.00 09:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:14 lo 15.35 15.35 8.60 8.60 0.00 0.00 0.00 0.00 09:10:14 ens3 0.58 0.50 0.13 0.10 0.00 0.00 0.00 0.00 09:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:14 lo 14.39 14.39 7.78 7.78 0.00 0.00 0.00 0.00 09:20:14 ens3 1.23 0.80 0.42 0.31 0.00 0.00 0.00 0.00 09:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.31 20.31 10.31 10.31 0.00 0.00 0.00 0.00 Average: ens3 16.60 12.67 213.35 1.98 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-3903) 04/17/26 _x86_64_ (4 CPU) 07:39:48 LINUX RESTART (4 CPU) 07:40:00 CPU %user %nice %system %iowait %steal %idle 07:50:09 all 46.79 0.00 2.74 0.65 0.08 49.73 07:50:09 0 49.88 0.00 2.52 0.53 0.09 46.98 07:50:09 1 46.36 0.00 2.75 0.92 0.08 49.89 07:50:09 2 46.18 0.00 2.94 0.76 0.09 50.04 07:50:09 3 44.74 0.00 2.74 0.40 0.08 52.03 08:00:11 all 58.36 0.00 2.27 0.11 0.11 39.15 08:00:11 0 58.35 0.00 2.33 0.16 0.10 39.05 08:00:11 1 57.19 0.00 2.36 0.06 0.11 40.28 08:00:11 2 58.79 0.00 2.20 0.19 0.11 38.71 08:00:11 3 59.12 0.00 2.18 0.03 0.10 38.57 08:10:14 all 30.75 0.00 1.25 0.05 0.09 67.86 08:10:14 0 30.35 0.00 1.22 0.02 0.08 68.33 08:10:14 1 31.16 0.00 1.17 0.02 0.09 67.56 08:10:14 2 30.47 0.00 1.29 0.09 0.09 68.07 08:10:14 3 31.02 0.00 1.34 0.05 0.09 67.49 08:20:14 all 17.41 0.00 0.74 0.04 0.08 81.73 08:20:14 0 16.43 0.00 0.78 0.04 0.08 82.68 08:20:14 1 17.18 0.00 0.72 0.02 0.08 82.00 08:20:14 2 18.07 0.00 0.75 0.08 0.08 81.02 08:20:14 3 17.96 0.00 0.70 0.02 0.08 81.24 08:30:14 all 25.56 0.00 0.86 0.05 0.07 73.46 08:30:14 0 25.47 0.00 0.88 0.07 0.07 73.51 08:30:14 1 25.58 0.00 0.85 0.05 0.07 73.46 08:30:14 2 25.84 0.00 0.87 0.05 0.07 73.17 08:30:14 3 25.35 0.00 0.86 0.03 0.07 73.69 08:40:14 all 13.51 0.00 0.50 0.03 0.06 85.90 08:40:14 0 13.85 0.00 0.51 0.01 0.06 85.57 08:40:14 1 13.71 0.00 0.46 0.04 0.06 85.73 08:40:14 2 13.09 0.00 0.49 0.05 0.07 86.30 08:40:14 3 13.38 0.00 0.53 0.02 0.07 86.01 08:50:14 all 9.06 0.00 0.44 0.02 0.05 90.42 08:50:14 0 9.06 0.00 0.37 0.03 0.05 90.48 08:50:14 1 8.94 0.00 0.41 0.02 0.06 90.57 08:50:14 2 9.34 0.00 0.41 0.02 0.06 90.17 08:50:14 3 8.92 0.00 0.55 0.02 0.05 90.46 09:00:14 all 11.61 0.00 0.49 0.03 0.06 87.82 09:00:14 0 11.13 0.00 0.44 0.04 0.05 88.35 09:00:14 1 11.57 0.00 0.57 0.03 0.06 87.76 09:00:14 2 11.91 0.00 0.48 0.00 0.06 87.54 09:00:14 3 11.82 0.00 0.49 0.03 0.06 87.61 09:10:14 all 8.22 0.00 0.38 0.05 0.07 91.28 09:10:14 0 8.28 0.00 0.44 0.03 0.07 91.18 09:10:14 1 8.59 0.00 0.39 0.03 0.08 90.91 09:10:14 2 7.88 0.00 0.36 0.01 0.07 91.68 09:10:14 3 8.13 0.00 0.32 0.12 0.07 91.35 09:20:14 all 14.43 0.09 0.64 0.14 0.06 84.63 09:20:14 0 14.42 0.22 0.81 0.26 0.06 84.23 09:20:14 1 14.33 0.00 0.60 0.02 0.07 84.98 09:20:14 2 14.35 0.09 0.57 0.15 0.06 84.77 09:20:14 3 14.63 0.07 0.56 0.12 0.07 84.56 Average: all 23.62 0.01 1.03 0.12 0.07 75.14 Average: 0 23.77 0.02 1.03 0.12 0.07 74.98 Average: 1 23.52 0.00 1.03 0.12 0.08 75.25 Average: 2 23.64 0.01 1.04 0.14 0.07 75.09 Average: 3 23.56 0.01 1.03 0.08 0.07 75.25