---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8290 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 725 10724 4 4539 14921 Swap: 1023 3 1020 ---> 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:9a:f4:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80049sec preferred_lft 80049sec inet6 fe80::f816:3eff:fe9a:f48a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:69:df:9a:22:85 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::e469:dfff:fe9a:2285/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-8290) 03/23/26 _x86_64_ (4 CPU) 07:12:22 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:02 96.21 23.55 69.36 3.30 351.31 12995.66 5632.81 07:40:12 35.92 1.47 18.43 16.02 23.18 472.16 206640.48 07:50:01 8.21 0.20 7.55 0.47 9.64 270.36 1555.05 08:00:14 19.53 0.05 18.52 0.95 5.61 835.11 1344.74 08:10:03 10.38 0.01 9.89 0.48 0.49 300.02 414.65 08:20:01 5.21 0.02 5.00 0.19 1.08 140.62 249.87 08:30:16 7.11 0.05 6.81 0.26 2.71 181.17 521.53 08:40:16 4.96 0.00 4.77 0.19 0.35 149.71 417.36 08:50:01 10.05 0.03 9.58 0.44 4.19 668.29 285.56 Average: 22.04 2.83 16.71 2.51 44.41 1783.12 24496.33 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:02 6561344 9880368 6052236 36.96 270404 3038056 6980896 40.07 2094264 7139208 2476 07:40:12 3739076 7093076 8840620 53.99 273232 3070416 9572072 54.94 2162912 9890632 144 07:50:01 6359300 9739572 6194548 37.83 274472 3095452 7004636 40.21 2172908 7275500 460 08:00:14 10120288 13652208 2286508 13.97 280288 3241372 2980452 17.11 2211276 3492700 124 08:10:03 7727100 11298256 4639012 28.33 281692 3279204 5348148 30.70 2214024 5879912 316 08:20:01 7796480 11385772 4551416 27.80 282164 3296932 5262924 30.21 2215280 5807336 296 08:30:16 9721916 13350900 2587604 15.80 283044 3335756 3559136 20.43 2220592 3889076 19068 08:40:16 9851888 13504200 2434280 14.87 283748 3358388 3545196 20.35 2222952 3757064 21004 08:50:01 7471488 11252928 4684076 28.61 288000 3480708 5326572 30.57 2237848 6110744 108 Average: 7705431 11239698 4696700 28.69 279672 3244032 5508892 31.62 2194673 5915797 4888 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:02 lo 19.41 19.41 16.56 16.56 0.00 0.00 0.00 0.00 07:30:02 ens3 38.33 28.04 641.55 3.01 0.00 0.00 0.00 0.00 07:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:12 lo 47.32 47.32 20.35 20.35 0.00 0.00 0.00 0.00 07:40:12 ens3 1.98 1.95 0.39 1.24 0.00 0.00 0.00 0.00 07:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 19.20 19.20 9.10 9.10 0.00 0.00 0.00 0.00 07:50:01 ens3 1.62 0.52 0.39 0.22 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:14 lo 12.30 12.30 6.08 6.08 0.00 0.00 0.00 0.00 08:00:14 ens3 1.45 0.88 0.38 0.27 0.00 0.00 0.00 0.00 08:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:03 lo 18.86 18.86 10.03 10.03 0.00 0.00 0.00 0.00 08:10:03 ens3 0.88 0.66 0.17 0.13 0.00 0.00 0.00 0.00 08:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 24.49 24.49 9.09 9.09 0.00 0.00 0.00 0.00 08:20:01 ens3 1.11 0.47 0.20 0.11 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:16 lo 23.77 23.77 10.83 10.83 0.00 0.00 0.00 0.00 08:30:16 ens3 1.08 0.56 0.22 0.14 0.00 0.00 0.00 0.00 08:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:16 lo 17.77 17.77 10.51 10.51 0.00 0.00 0.00 0.00 08:40:16 ens3 0.88 0.55 0.20 0.14 0.00 0.00 0.00 0.00 08:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 18.74 18.74 10.37 10.37 0.00 0.00 0.00 0.00 08:50:01 ens3 1.26 0.89 0.33 0.26 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.48 22.48 11.45 11.45 0.00 0.00 0.00 0.00 Average: ens3 5.41 3.85 71.72 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-8290) 03/23/26 _x86_64_ (4 CPU) 07:12:22 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:02 all 55.66 0.00 2.20 0.32 0.11 41.71 07:30:02 0 56.72 0.00 2.06 0.40 0.11 40.70 07:30:02 1 54.74 0.00 2.37 0.29 0.11 42.50 07:30:02 2 54.63 0.00 2.18 0.25 0.10 42.84 07:30:02 3 56.56 0.00 2.19 0.35 0.10 40.79 07:40:12 all 41.79 0.00 1.71 0.05 0.12 56.33 07:40:12 0 41.62 0.00 1.71 0.04 0.12 56.51 07:40:12 1 42.51 0.00 1.68 0.09 0.12 55.61 07:40:12 2 40.96 0.00 1.72 0.03 0.12 57.18 07:40:12 3 42.06 0.00 1.74 0.07 0.11 56.03 07:50:01 all 17.98 0.00 0.85 0.03 0.09 81.05 07:50:01 0 17.85 0.00 0.85 0.04 0.09 81.17 07:50:01 1 18.43 0.00 0.87 0.04 0.08 80.59 07:50:01 2 18.01 0.00 0.80 0.02 0.09 81.08 07:50:01 3 17.65 0.00 0.87 0.02 0.09 81.38 08:00:14 all 28.79 0.00 1.00 0.06 0.08 70.07 08:00:14 0 28.55 0.00 1.01 0.04 0.08 70.32 08:00:14 1 28.95 0.00 1.00 0.10 0.09 69.86 08:00:14 2 29.01 0.00 1.13 0.04 0.08 69.73 08:00:14 3 28.66 0.00 0.85 0.06 0.08 70.35 08:10:03 all 18.70 0.00 0.67 0.03 0.08 80.52 08:10:03 0 18.44 0.00 0.58 0.02 0.08 80.88 08:10:03 1 18.91 0.00 0.73 0.03 0.08 80.25 08:10:03 2 18.41 0.00 0.75 0.01 0.08 80.76 08:10:03 3 19.05 0.00 0.62 0.06 0.08 80.18 08:20:01 all 8.12 0.00 0.32 0.03 0.08 91.45 08:20:01 0 7.64 0.00 0.35 0.06 0.07 91.89 08:20:01 1 8.50 0.00 0.29 0.00 0.08 91.14 08:20:01 2 7.95 0.00 0.30 0.01 0.08 91.67 08:20:01 3 8.42 0.00 0.37 0.04 0.08 91.10 08:30:16 all 12.45 0.00 0.47 0.02 0.08 86.98 08:30:16 0 11.98 0.00 0.38 0.01 0.07 87.55 08:30:16 1 12.77 0.00 0.57 0.02 0.08 86.56 08:30:16 2 12.29 0.00 0.50 0.01 0.08 87.11 08:30:16 3 12.74 0.00 0.42 0.06 0.08 86.70 08:40:16 all 9.53 0.00 0.55 0.02 0.08 89.82 08:40:16 0 9.49 0.00 0.55 0.02 0.08 89.86 08:40:16 1 9.65 0.00 0.63 0.05 0.09 89.58 08:40:16 2 9.13 0.00 0.51 0.02 0.09 90.26 08:40:16 3 9.85 0.00 0.50 0.00 0.08 89.56 08:50:01 all 16.92 0.00 0.64 0.08 0.08 82.29 08:50:01 0 17.01 0.00 0.72 0.04 0.09 82.15 08:50:01 1 16.33 0.00 0.67 0.14 0.09 82.78 08:50:01 2 17.76 0.00 0.59 0.08 0.07 81.50 08:50:01 3 16.56 0.00 0.58 0.04 0.08 82.74 Average: all 23.40 0.00 0.94 0.07 0.09 75.50 Average: 0 23.33 0.00 0.91 0.07 0.09 75.60 Average: 1 23.49 0.00 0.98 0.08 0.09 75.35 Average: 2 23.20 0.00 0.94 0.05 0.09 75.71 Average: 3 23.58 0.00 0.91 0.08 0.09 75.35