---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2714 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: 5600.00 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 880 13678 4 17533 30740 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:9d:ae:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.151/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83306sec preferred_lft 83306sec inet6 fe80::f816:3eff:fe9d:ae78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:77:86:f3:53:f0 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::dc77:86ff:fef3:53f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2714) 03/18/26 _x86_64_ (8 CPU) 06:45:59 LINUX RESTART (8 CPU) 06:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:00 476.55 0.87 465.68 10.00 49.45 46332.73 41372.82 07:10:01 177.03 0.30 170.93 5.80 13.76 17972.53 33591.19 07:20:05 45.89 0.33 22.91 22.66 15.31 3503.25 465517.97 07:30:06 11.39 0.04 10.92 0.43 1.25 2162.23 85.12 Average: 177.00 0.38 166.87 9.74 19.88 17421.42 135755.74 06:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:00 12875120 27767928 4456456 13.56 512464 13726432 4702464 13.87 3680728 14865568 0 07:10:01 2276420 21455904 10699228 32.56 591092 17727336 16376920 48.29 4716512 22207176 716 07:20:05 371048 19521680 12533536 38.14 578144 17789496 18568292 54.76 4890972 23883148 18536 07:30:06 362848 19200404 12852320 39.11 576364 17487124 18813184 55.48 4832972 23964792 11268 Average: 3971359 21986479 10135385 30.84 564516 16682597 14615215 43.10 4530296 21230171 7630 06:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:00 lo 0.50 0.50 0.11 0.11 0.00 0.00 0.00 0.00 07:00:00 ens3 239.73 144.39 1981.99 39.33 0.00 0.00 0.00 0.00 07:00:00 docker0 16.54 29.66 0.96 563.92 0.00 0.00 0.00 0.00 07:10:01 lo 0.56 0.56 0.07 0.07 0.00 0.00 0.00 0.00 07:10:01 ens3 74.74 56.28 1358.95 11.24 0.00 0.00 0.00 0.00 07:10:01 docker0 9.68 14.00 0.55 213.52 0.00 0.00 0.00 0.00 07:10:01 br-4ed21840d2a0 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 07:10:01 veth7c219cf 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:10:01 veth0570028 37.39 38.73 12.73 14.27 0.00 0.00 0.00 0.00 07:10:01 veth00c24c3 0.38 0.38 0.04 0.19 0.00 0.00 0.00 0.00 07:10:01 veth6a7d605 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:10:01 vethf182380 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 07:10:01 veth42c946d 33.87 32.30 18.05 9.27 0.00 0.00 0.00 0.00 07:10:01 veth300ce79 0.44 0.75 0.60 4.79 0.00 0.00 0.00 0.00 07:10:01 veth9aeb18e 1.56 1.26 0.21 1.29 0.00 0.00 0.00 0.00 07:20:05 lo 21.89 21.89 73.61 73.61 0.00 0.00 0.00 0.00 07:20:05 ens3 12.60 10.57 32.04 2.73 0.00 0.00 0.00 0.00 07:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:05 br-4ed21840d2a0 20.00 22.50 15.75 89.29 0.00 0.00 0.00 0.00 07:20:05 veth7c219cf 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 07:20:05 veth0570028 98.48 107.15 67.41 49.12 0.00 0.00 0.00 0.01 07:20:05 veth00c24c3 13.16 11.35 125.70 45.85 0.00 0.00 0.00 0.01 07:20:05 veth6a7d605 19.45 21.58 232.93 126.09 0.00 0.00 0.00 0.02 07:20:05 vethf182380 31.19 33.57 15.55 320.39 0.00 0.00 0.00 0.03 07:20:05 veth42c946d 66.17 60.55 84.26 35.06 0.00 0.00 0.00 0.01 07:20:05 veth9aeb18e 48.05 44.39 20.42 35.12 0.00 0.00 0.00 0.00 07:30:06 lo 35.71 35.71 170.16 170.16 0.00 0.00 0.00 0.00 07:30:06 ens3 0.72 0.55 0.20 0.52 0.00 0.00 0.00 0.00 07:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:06 br-4ed21840d2a0 29.50 30.18 34.52 137.30 0.00 0.00 0.00 0.00 07:30:06 veth7c219cf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:06 veth0570028 62.52 68.72 46.19 23.44 0.00 0.00 0.00 0.00 07:30:06 veth00c24c3 9.40 8.67 44.08 43.17 0.00 0.00 0.00 0.00 07:30:06 veth6a7d605 9.37 9.93 43.72 43.59 0.00 0.00 0.00 0.00 07:30:06 vethf182380 34.29 34.98 35.23 179.46 0.00 0.00 0.00 0.01 07:30:06 veth42c946d 43.45 40.64 52.66 21.89 0.00 0.00 0.00 0.00 07:30:06 veth9aeb18e 31.51 28.31 14.02 26.72 0.00 0.00 0.00 0.00 Average: lo 14.69 14.69 61.09 61.09 0.00 0.00 0.00 0.00 Average: ens3 81.56 52.73 840.27 13.39 0.00 0.00 0.00 0.00 Average: docker0 6.53 10.87 0.38 193.43 0.00 0.00 0.00 0.00 Average: br-4ed21840d2a0 12.48 13.27 12.59 56.78 0.00 0.00 0.00 0.00 Average: veth7c219cf 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth0570028 49.75 53.82 31.68 21.79 0.00 0.00 0.00 0.00 Average: veth00c24c3 5.76 5.11 42.64 22.37 0.00 0.00 0.00 0.00 Average: veth6a7d605 7.24 7.94 69.50 42.60 0.00 0.00 0.00 0.01 Average: vethf182380 16.42 17.21 12.72 125.43 0.00 0.00 0.00 0.01 Average: veth42c946d 35.98 33.47 38.87 16.61 0.00 0.00 0.00 0.00 Average: veth9aeb18e 20.35 18.55 8.69 15.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2714) 03/18/26 _x86_64_ (8 CPU) 06:45:59 LINUX RESTART (8 CPU) 06:50:04 CPU %user %nice %system %iowait %steal %idle 07:00:00 all 21.46 0.00 3.51 1.59 0.08 73.36 07:00:00 0 22.98 0.00 3.25 1.27 0.09 72.41 07:00:00 1 20.05 0.00 3.48 1.44 0.07 74.96 07:00:00 2 23.12 0.00 3.87 2.08 0.08 70.85 07:00:00 3 18.01 0.00 3.15 1.81 0.06 76.97 07:00:00 4 18.54 0.00 3.98 1.79 0.08 75.62 07:00:00 5 32.16 0.00 4.54 1.85 0.08 61.36 07:00:00 6 18.79 0.00 3.48 1.27 0.08 76.39 07:00:00 7 18.08 0.00 2.34 1.23 0.07 78.29 07:10:01 all 9.87 0.02 1.74 1.75 0.06 86.56 07:10:01 0 8.93 0.02 1.63 1.75 0.06 87.62 07:10:01 1 9.95 0.03 2.10 0.87 0.07 86.98 07:10:01 2 9.92 0.02 1.84 1.57 0.07 86.59 07:10:01 3 9.03 0.02 1.76 3.98 0.06 85.15 07:10:01 4 9.47 0.02 1.73 1.70 0.07 87.02 07:10:01 5 10.01 0.02 1.54 1.59 0.06 86.79 07:10:01 6 10.37 0.01 1.60 1.24 0.06 86.73 07:10:01 7 11.27 0.02 1.70 1.34 0.06 85.62 07:20:05 all 10.43 0.01 1.87 0.39 0.08 87.22 07:20:05 0 8.69 0.01 1.88 0.20 0.08 89.14 07:20:05 1 11.11 0.01 2.02 1.17 0.09 85.60 07:20:05 2 10.56 0.00 1.82 0.30 0.08 87.24 07:20:05 3 10.37 0.00 1.94 0.62 0.08 86.98 07:20:05 4 11.44 0.00 1.83 0.21 0.09 86.43 07:20:05 5 10.92 0.01 1.88 0.09 0.08 87.03 07:20:05 6 10.86 0.00 1.83 0.17 0.07 87.06 07:20:05 7 9.51 0.01 1.77 0.36 0.08 88.27 07:30:06 all 7.67 0.00 1.76 0.08 0.09 90.40 07:30:06 0 6.89 0.00 1.78 0.12 0.08 91.13 07:30:06 1 8.57 0.00 2.00 0.04 0.09 89.30 07:30:06 2 9.05 0.00 1.91 0.03 0.09 88.92 07:30:06 3 7.99 0.00 1.81 0.10 0.09 90.01 07:30:06 4 7.09 0.00 1.77 0.03 0.08 91.03 07:30:06 5 7.59 0.00 1.74 0.06 0.08 90.53 07:30:06 6 7.10 0.00 1.61 0.20 0.08 91.00 07:30:06 7 7.09 0.00 1.48 0.08 0.09 91.26 Average: all 12.34 0.01 2.22 0.95 0.08 84.41 Average: 0 11.86 0.01 2.13 0.83 0.08 85.09 Average: 1 12.41 0.01 2.39 0.88 0.08 84.23 Average: 2 13.14 0.01 2.35 0.99 0.08 83.43 Average: 3 11.34 0.01 2.16 1.63 0.07 84.80 Average: 4 11.62 0.01 2.32 0.93 0.08 85.05 Average: 5 15.12 0.01 2.42 0.89 0.07 81.49 Average: 6 11.77 0.00 2.13 0.72 0.07 85.31 Average: 7 11.47 0.01 1.82 0.75 0.07 85.87