---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2991 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): 8 On-line CPU(s) list: 0-7 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): 8 Stepping: 0 BogoMIPS: 5599.94 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 1012 13482 4 17597 30610 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:7a:77:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.228/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83256sec preferred_lft 83256sec inet6 fe80::f816:3eff:fe7a:7747/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:23:08:e6:73:1d 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::2c23:8ff:fee6:731d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2991) 03/19/26 _x86_64_ (8 CPU) 06:50:00 LINUX RESTART (8 CPU) 07:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:00 272.77 0.39 261.97 10.41 17.07 38233.46 28565.69 07:20:00 13.38 0.16 12.30 0.92 7.12 1863.80 3611.94 07:30:00 19.63 0.32 17.66 1.65 13.68 3411.29 8685.07 07:40:00 38.30 0.13 15.72 22.45 2.68 3007.85 458255.78 Average: 86.02 0.25 76.91 8.86 10.14 11629.00 124780.04 07:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:00 4209412 23271968 8884812 27.04 588884 17616104 15891848 46.86 4597580 20443948 174400 07:20:00 1154912 20386876 11714924 35.65 590760 17822560 17471220 51.52 4887408 23145272 5632 07:30:00 326992 19523380 12529804 38.13 576112 17837840 18523808 54.62 4849140 23968172 12300 07:40:00 827404 19742480 12316316 37.48 575688 17557020 18125364 53.45 4852020 23476636 32212 Average: 1629680 20731176 11361464 34.57 582861 17708381 17503060 51.61 4796537 22758507 56136 07:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:00 lo 0.77 0.77 0.10 0.10 0.00 0.00 0.00 0.00 07:10:00 ens3 191.95 126.28 2184.66 30.71 0.00 0.00 0.00 0.00 07:10:00 docker0 17.90 24.45 0.99 302.16 0.00 0.00 0.00 0.00 07:10:00 br-5471b0034732 0.26 0.25 0.01 0.02 0.00 0.00 0.00 0.00 07:10:00 vethd7d2c94 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:10:00 veth356b143 5.69 5.38 3.22 1.17 0.00 0.00 0.00 0.00 07:10:00 vethbc9205f 0.05 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:10:00 vethcabe418 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:10:00 vethc2d64f2 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 07:10:00 veth5a26037 0.12 0.16 0.01 0.22 0.00 0.00 0.00 0.00 07:10:00 veth7dd2725 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 07:10:00 veth5c36c3a 0.03 0.04 0.00 0.00 0.00 0.00 0.00 0.00 07:20:00 lo 6.92 6.92 16.64 16.64 0.00 0.00 0.00 0.00 07:20:00 ens3 8.80 5.98 12.00 1.77 0.00 0.00 0.00 0.00 07:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:00 br-5471b0034732 7.04 9.36 2.96 24.38 0.00 0.00 0.00 0.00 07:20:00 vethd7d2c94 0.09 0.10 0.01 0.03 0.00 0.00 0.00 0.00 07:20:00 veth356b143 95.01 101.78 52.37 47.81 0.00 0.00 0.00 0.00 07:20:00 vethbc9205f 3.63 2.88 25.17 6.03 0.00 0.00 0.00 0.00 07:20:00 vethcabe418 5.45 5.99 61.14 25.30 0.00 0.00 0.00 0.01 07:20:00 vethc2d64f2 10.17 12.56 2.28 85.08 0.00 0.00 0.00 0.01 07:20:00 veth5a26037 84.23 78.93 59.73 38.10 0.00 0.00 0.00 0.00 07:20:00 veth5c36c3a 22.38 20.41 8.83 16.37 0.00 0.00 0.00 0.00 07:30:00 lo 35.40 35.40 153.67 153.67 0.00 0.00 0.00 0.00 07:30:00 ens3 8.95 7.11 21.80 2.16 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 br-5471b0034732 25.19 27.79 28.52 146.72 0.00 0.00 0.00 0.00 07:30:00 vethd7d2c94 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 veth356b143 64.83 70.84 45.09 25.08 0.00 0.00 0.00 0.00 07:30:00 vethbc9205f 14.78 12.67 121.26 59.31 0.00 0.00 0.00 0.01 07:30:00 vethcabe418 18.90 21.19 193.02 121.27 0.00 0.00 0.00 0.02 07:30:00 vethc2d64f2 36.11 38.71 29.66 337.60 0.00 0.00 0.00 0.03 07:30:00 veth5a26037 38.71 35.83 67.13 17.08 0.00 0.00 0.00 0.01 07:30:00 veth5c36c3a 39.19 35.87 16.97 30.67 0.00 0.00 0.00 0.00 07:40:00 lo 29.01 29.01 127.14 127.14 0.00 0.00 0.00 0.00 07:40:00 ens3 5.14 4.08 13.99 1.28 0.00 0.00 0.00 0.00 07:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:00 br-5471b0034732 26.17 26.93 29.50 112.65 0.00 0.00 0.00 0.00 07:40:00 vethd7d2c94 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 07:40:00 veth356b143 60.42 66.09 39.58 20.17 0.00 0.00 0.00 0.00 07:40:00 vethbc9205f 13.09 11.72 110.82 68.03 0.00 0.00 0.00 0.01 07:40:00 vethcabe418 16.24 18.00 158.57 110.74 0.00 0.00 0.00 0.01 07:40:00 vethc2d64f2 35.03 35.75 30.11 269.49 0.00 0.00 0.00 0.02 07:40:00 veth5a26037 39.91 36.77 74.99 20.43 0.00 0.00 0.00 0.01 07:40:00 veth5c36c3a 33.21 30.36 13.36 21.34 0.00 0.00 0.00 0.00 Average: lo 18.03 18.03 74.39 74.39 0.00 0.00 0.00 0.00 Average: ens3 53.71 35.86 558.10 8.98 0.00 0.00 0.00 0.00 Average: docker0 4.48 6.11 0.25 75.54 0.00 0.00 0.00 0.00 Average: br-5471b0034732 14.67 16.08 15.25 70.94 0.00 0.00 0.00 0.00 Average: vethd7d2c94 0.06 0.08 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth356b143 56.49 61.02 35.06 23.56 0.00 0.00 0.00 0.00 Average: vethbc9205f 7.88 6.85 64.32 33.35 0.00 0.00 0.00 0.01 Average: vethcabe418 10.16 11.32 103.18 64.33 0.00 0.00 0.00 0.01 Average: vethc2d64f2 20.33 21.78 15.51 173.04 0.00 0.00 0.00 0.01 Average: veth5a26037 40.74 37.92 50.47 18.96 0.00 0.00 0.00 0.00 Average: veth5c36c3a 23.70 21.67 9.79 17.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2991) 03/19/26 _x86_64_ (8 CPU) 06:50:00 LINUX RESTART (8 CPU) 07:00:00 CPU %user %nice %system %iowait %steal %idle 07:10:00 all 18.55 0.02 3.05 1.25 0.07 77.06 07:10:00 0 15.15 0.03 3.01 0.83 0.06 80.92 07:10:00 1 16.96 0.01 2.86 1.14 0.07 78.95 07:10:00 2 23.25 0.02 3.36 1.71 0.07 71.58 07:10:00 3 17.78 0.03 3.31 1.67 0.07 77.14 07:10:00 4 21.97 0.04 2.93 1.04 0.07 73.95 07:10:00 5 15.98 0.02 2.52 1.64 0.06 79.78 07:10:00 6 20.87 0.02 3.19 1.05 0.06 74.80 07:10:00 7 16.47 0.01 3.18 0.93 0.07 79.35 07:20:00 all 9.13 0.00 1.08 4.02 0.07 85.70 07:20:00 0 9.22 0.00 1.10 0.04 0.07 89.57 07:20:00 1 9.14 0.00 1.10 4.30 0.07 85.38 07:20:00 2 9.98 0.00 1.15 4.87 0.07 83.92 07:20:00 3 9.52 0.00 1.06 4.95 0.07 84.39 07:20:00 4 8.71 0.01 1.07 4.68 0.08 85.46 07:20:00 5 8.80 0.01 1.08 5.27 0.07 84.77 07:20:00 6 8.74 0.00 1.08 4.22 0.08 85.89 07:20:00 7 8.92 0.00 0.96 3.84 0.07 86.20 07:30:00 all 9.18 0.00 2.11 0.11 0.09 88.51 07:30:00 0 8.46 0.01 2.26 0.12 0.08 89.07 07:30:00 1 9.47 0.00 2.24 0.04 0.09 88.16 07:30:00 2 10.04 0.00 2.16 0.06 0.09 87.64 07:30:00 3 8.60 0.00 2.11 0.14 0.09 89.06 07:30:00 4 9.17 0.01 2.09 0.07 0.09 88.58 07:30:00 5 8.48 0.01 2.03 0.07 0.09 89.32 07:30:00 6 9.14 0.00 1.94 0.23 0.09 88.59 07:30:00 7 10.08 0.00 2.08 0.12 0.09 87.64 07:40:00 all 7.39 0.00 1.80 0.15 0.09 90.55 07:40:00 0 6.22 0.00 1.86 0.07 0.10 91.76 07:40:00 1 7.55 0.00 1.95 0.06 0.09 90.35 07:40:00 2 8.34 0.01 1.82 0.42 0.10 89.31 07:40:00 3 7.41 0.01 1.76 0.23 0.09 90.51 07:40:00 4 7.20 0.00 1.70 0.07 0.10 90.93 07:40:00 5 8.05 0.01 1.86 0.09 0.09 89.91 07:40:00 6 8.01 0.00 1.84 0.21 0.09 89.84 07:40:00 7 6.36 0.00 1.64 0.08 0.09 91.83 Average: all 11.06 0.01 2.01 1.38 0.08 85.46 Average: 0 9.76 0.01 2.06 0.26 0.08 87.83 Average: 1 10.78 0.01 2.04 1.38 0.08 85.71 Average: 2 12.90 0.01 2.13 1.77 0.08 83.11 Average: 3 10.82 0.01 2.06 1.75 0.08 85.28 Average: 4 11.76 0.01 1.95 1.47 0.08 84.73 Average: 5 10.33 0.01 1.87 1.77 0.08 85.94 Average: 6 11.69 0.01 2.01 1.43 0.08 84.79 Average: 7 10.45 0.00 1.97 1.24 0.08 86.26