---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-2980 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 678 10830 4 4480 14968 Swap: 1023 11 1012 ---> 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:e1:5f:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79684sec preferred_lft 79684sec inet6 fe80::f816:3eff:fee1:5fa3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:c0:dd:5d:60:b8 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::f4c0:ddff:fe5d:60b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-2980) 04/15/26 _x86_64_ (4 CPU) 10:49:43 LINUX RESTART (4 CPU) 10:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:15 146.16 16.23 125.12 4.80 2084.76 40094.28 13145.86 11:10:13 67.27 23.61 41.31 2.35 347.79 3999.85 2803.86 11:20:01 24.47 0.10 8.38 15.99 3.03 219.64 213314.95 11:30:15 8.04 0.11 7.51 0.43 6.61 276.96 875.12 11:40:12 19.21 0.13 18.29 0.79 5.18 799.64 735.33 11:50:15 11.05 0.05 10.51 0.49 1.78 342.32 205.01 12:00:14 5.69 0.07 5.44 0.19 0.79 148.50 53.77 12:10:02 5.21 0.03 5.00 0.17 2.26 147.52 258.85 12:20:02 5.08 0.01 4.88 0.19 0.36 153.03 203.12 12:30:02 11.71 0.04 11.10 0.57 1.25 662.02 516.88 12:40:03 5.22 0.04 4.99 0.19 1.20 174.68 76.41 Average: 28.37 3.70 22.30 2.36 227.78 4363.26 20744.54 10:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:15 1706836 13123332 2797292 17.08 260128 10894360 3559612 20.43 2114384 11726792 514540 11:10:13 5979508 9291828 6641208 40.56 270676 3025888 7373220 42.32 2071212 7730896 3264 11:20:01 3900736 7230580 8703268 53.16 271984 3042096 9402884 53.97 2093620 9772544 112 11:30:15 6329268 9682460 6253704 38.20 273300 3064164 7050828 40.47 2100732 7367016 64 11:40:12 10895876 14398296 1540452 9.41 278868 3207936 2938468 16.87 2141652 2793712 11668 11:50:15 7809228 11350892 4586424 28.01 280068 3245976 5375588 30.86 2144724 5863688 88 12:00:14 7868392 11428232 4508828 27.54 280664 3263548 5293232 30.38 2146232 5804196 80 12:10:02 6295564 9875192 6061068 37.02 281308 3282692 6857548 39.36 2149056 7367736 500 12:20:02 6296808 9897788 6038444 36.88 281928 3303428 6862508 39.39 2152356 7358976 340 12:30:02 7869636 11615884 4321608 26.39 286340 3440576 5216384 29.94 2169036 5771524 520 12:40:03 6771700 10546140 5390360 32.92 286836 3468192 6053772 34.75 2180124 6854144 268 Average: 6520323 10767329 5167514 31.56 277464 3930805 5998549 34.43 2133012 7128293 48313 10:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:15 lo 3.27 3.27 2.34 2.34 0.00 0.00 0.00 0.00 11:00:15 ens3 175.34 132.96 2024.36 18.01 0.00 0.00 0.00 0.00 11:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:13 lo 47.08 47.08 27.78 27.78 0.00 0.00 0.00 0.00 11:10:13 ens3 2.36 2.20 0.54 1.44 0.00 0.00 0.00 0.00 11:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 27.89 27.89 10.45 10.45 0.00 0.00 0.00 0.00 11:20:01 ens3 0.77 0.60 0.15 0.12 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:15 lo 9.78 9.78 6.05 6.05 0.00 0.00 0.00 0.00 11:30:15 ens3 0.53 0.37 0.09 0.06 0.00 0.00 0.00 0.00 11:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:12 lo 12.48 12.48 5.73 5.73 0.00 0.00 0.00 0.00 11:40:12 ens3 1.02 0.87 0.28 0.22 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:15 lo 18.79 18.79 10.37 10.37 0.00 0.00 0.00 0.00 11:50:15 ens3 0.76 0.65 0.16 0.13 0.00 0.00 0.00 0.00 11:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:14 lo 24.57 24.57 9.08 9.08 0.00 0.00 0.00 0.00 12:00:14 ens3 0.80 0.58 0.22 0.16 0.00 0.00 0.00 0.00 12:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:02 lo 17.76 17.76 8.45 8.45 0.00 0.00 0.00 0.00 12:10:02 ens3 0.51 0.37 0.10 0.07 0.00 0.00 0.00 0.00 12:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:02 lo 18.14 18.14 10.06 10.06 0.00 0.00 0.00 0.00 12:20:02 ens3 1.30 0.54 0.25 0.13 0.00 0.00 0.00 0.00 12:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:02 lo 18.20 18.20 10.61 10.61 0.00 0.00 0.00 0.00 12:30:02 ens3 2.63 0.83 0.56 0.29 0.00 0.00 0.00 0.00 12:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:03 lo 32.24 32.24 12.72 12.72 0.00 0.00 0.00 0.00 12:40:03 ens3 1.37 0.74 0.35 0.24 0.00 0.00 0.00 0.00 12:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.85 20.85 10.30 10.30 0.00 0.00 0.00 0.00 Average: ens3 17.43 13.09 188.84 1.94 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-2980) 04/15/26 _x86_64_ (4 CPU) 10:49:43 LINUX RESTART (4 CPU) 10:50:00 CPU %user %nice %system %iowait %steal %idle 11:00:15 all 44.80 0.00 2.60 0.71 0.09 51.80 11:00:15 0 46.71 0.00 2.91 0.38 0.09 49.90 11:00:15 1 42.72 0.00 2.49 1.11 0.09 53.58 11:00:15 2 40.96 0.00 2.41 0.56 0.08 55.99 11:00:15 3 48.80 0.00 2.60 0.76 0.09 47.75 11:10:13 all 61.19 0.00 2.30 0.09 0.12 36.30 11:10:13 0 62.42 0.00 2.22 0.06 0.12 35.18 11:10:13 1 60.70 0.00 2.48 0.12 0.12 36.58 11:10:13 2 60.19 0.00 2.36 0.10 0.13 37.21 11:10:13 3 61.42 0.00 2.13 0.09 0.13 36.23 11:20:01 all 16.01 0.00 0.69 0.05 0.09 83.16 11:20:01 0 15.79 0.00 0.65 0.02 0.09 83.45 11:20:01 1 15.81 0.00 0.78 0.06 0.10 83.25 11:20:01 2 16.63 0.00 0.75 0.07 0.10 82.46 11:20:01 3 15.80 0.00 0.59 0.05 0.10 83.47 11:30:15 all 15.61 0.00 0.69 0.03 0.10 83.57 11:30:15 0 14.64 0.00 0.65 0.04 0.10 84.57 11:30:15 1 15.85 0.00 0.72 0.01 0.09 83.32 11:30:15 2 15.96 0.00 0.65 0.02 0.10 83.27 11:30:15 3 15.99 0.00 0.73 0.04 0.10 83.14 11:40:12 all 27.30 0.00 0.95 0.23 0.09 71.42 11:40:12 0 27.69 0.00 0.91 0.04 0.09 71.27 11:40:12 1 26.51 0.00 0.88 0.09 0.09 72.43 11:40:12 2 27.57 0.00 1.14 0.64 0.09 70.56 11:40:12 3 27.44 0.00 0.88 0.15 0.09 71.44 11:50:15 all 19.33 0.00 0.64 0.04 0.08 79.91 11:50:15 0 19.24 0.00 0.68 0.02 0.08 79.98 11:50:15 1 19.28 0.00 0.64 0.08 0.07 79.92 11:50:15 2 19.25 0.00 0.63 0.03 0.08 80.00 11:50:15 3 19.56 0.00 0.62 0.01 0.07 79.74 12:00:14 all 8.55 0.00 0.44 0.02 0.07 90.91 12:00:14 0 8.09 0.00 0.40 0.01 0.07 91.43 12:00:14 1 9.05 0.00 0.52 0.03 0.08 90.33 12:00:14 2 8.23 0.00 0.40 0.03 0.07 91.26 12:00:14 3 8.85 0.00 0.44 0.01 0.07 90.63 12:10:02 all 10.33 0.00 0.55 0.03 0.07 89.01 12:10:02 0 10.12 0.00 0.46 0.00 0.07 89.35 12:10:02 1 10.30 0.00 0.61 0.02 0.08 88.99 12:10:02 2 10.49 0.00 0.64 0.02 0.08 88.77 12:10:02 3 10.42 0.00 0.49 0.07 0.08 88.94 12:20:02 all 10.16 0.00 0.46 0.02 0.07 89.29 12:20:02 0 9.57 0.00 0.50 0.03 0.07 89.83 12:20:02 1 10.17 0.00 0.52 0.01 0.08 89.22 12:20:02 2 10.64 0.00 0.42 0.02 0.08 88.84 12:20:02 3 10.27 0.00 0.38 0.01 0.07 89.28 12:30:02 all 18.81 0.00 0.66 0.04 0.08 80.41 12:30:02 0 19.12 0.00 0.60 0.01 0.07 80.20 12:30:02 1 19.10 0.00 0.62 0.02 0.08 80.18 12:30:02 2 18.10 0.00 0.73 0.02 0.09 81.07 12:30:02 3 18.94 0.00 0.68 0.11 0.07 80.20 12:40:03 all 11.09 0.00 0.43 0.02 0.08 88.38 12:40:03 0 10.93 0.00 0.42 0.02 0.07 88.56 12:40:03 1 11.25 0.00 0.41 0.00 0.08 88.26 12:40:03 2 10.56 0.00 0.45 0.03 0.09 88.87 12:40:03 3 11.62 0.00 0.45 0.03 0.08 87.83 Average: CPU %user %nice %system %iowait %steal %idle Average: all 22.17 0.00 0.95 0.12 0.09 76.68 Average: 0 22.28 0.00 0.95 0.06 0.08 76.63 Average: 1 21.95 0.00 0.98 0.14 0.09 76.85 Average: 2 21.74 0.00 0.97 0.14 0.09 77.07 Average: 3 22.72 0.00 0.91 0.12 0.09 76.16