---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1540 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 26G 130G 17% / 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 1008 15738 4 15345 30615 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:9e:6b:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.70/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83577sec preferred_lft 83577sec inet6 fe80::f816:3eff:fe9e:6b01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:22:5d:17:cf:b4 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::f022:5dff:fe17:cfb4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-1540) 10/14/26 _x86_64_ (8 CPU) 07:24:34 LINUX RESTART (8 CPU) 07:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:10 286.58 0.72 273.28 12.57 32.07 52294.12 80742.12 07:50:00 26.26 0.42 24.07 1.77 9.78 3635.21 4728.26 08:00:04 11.62 0.08 10.82 0.72 1.79 1850.25 2466.31 08:10:05 17.47 0.38 14.78 2.31 6.16 1801.46 9676.91 Average: 85.56 0.40 80.81 4.35 12.44 14911.80 24437.55 07:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:10 348680 19874628 12272116 37.34 578772 18061132 19249748 56.77 4899772 23947412 320 07:50:00 548712 17059164 14882316 45.29 571836 15291512 23038584 67.94 4742024 23889716 13748 08:00:04 345444 16581432 15332452 46.66 572188 15047988 23523652 69.37 4670624 24138904 10800 08:10:05 4743236 20568080 11397880 34.68 573580 14598960 17804772 52.50 4579948 19864492 792 Average: 1496518 18520826 13471191 40.99 574094 15749898 20904189 61.64 4723092 22960131 6415 07:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:10 lo 2.26 2.26 0.65 0.65 0.00 0.00 0.00 0.00 07:40:10 ens3 296.06 178.55 3244.81 63.21 0.00 0.00 0.00 0.00 07:40:10 docker0 31.29 55.84 2.40 762.43 0.00 0.00 0.00 0.00 07:40:10 br-5306dd606f4e 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 07:40:10 veth14378b2 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:40:10 vethba0e022 0.29 0.33 0.03 0.11 0.00 0.00 0.00 0.00 07:40:10 veth9abfe17 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:40:10 veth2532b41 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 07:40:10 veth32fb28a 6.74 6.65 4.72 1.32 0.00 0.00 0.00 0.00 07:40:10 veth1d5b64d 1.37 1.25 0.25 0.98 0.00 0.00 0.00 0.00 07:40:10 veth362b938 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 07:40:10 vethae5e5c6 0.87 0.77 0.12 0.87 0.00 0.00 0.00 0.00 07:50:00 lo 12.76 12.76 36.75 36.75 0.00 0.00 0.00 0.00 07:50:00 ens3 8.69 7.86 19.08 2.54 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 br-5306dd606f4e 12.73 14.67 6.88 48.05 0.00 0.00 0.00 0.00 07:50:00 veth14378b2 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 07:50:00 vethba0e022 6.53 6.08 34.25 12.87 0.00 0.00 0.00 0.00 07:50:00 veth9abfe17 11.19 11.43 129.89 34.50 0.00 0.00 0.00 0.01 07:50:00 veth2532b41 18.91 20.93 6.28 176.93 0.00 0.00 0.00 0.01 07:50:00 veth32fb28a 99.48 105.63 59.59 54.34 0.00 0.00 0.00 0.00 07:50:00 veth1d5b64d 83.66 77.94 68.21 40.12 0.00 0.00 0.00 0.01 07:50:00 vethae5e5c6 27.67 26.64 14.03 22.12 0.00 0.00 0.00 0.00 08:00:04 lo 32.98 32.98 157.89 157.89 0.00 0.00 0.00 0.00 08:00:04 ens3 1.63 1.32 0.54 0.86 0.00 0.00 0.00 0.00 08:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:04 br-5306dd606f4e 27.94 29.24 30.36 129.35 0.00 0.00 0.00 0.00 08:00:04 veth14378b2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:04 vethba0e022 8.33 8.98 16.88 22.50 0.00 0.00 0.00 0.00 08:00:04 veth9abfe17 11.27 10.51 64.30 16.58 0.00 0.00 0.00 0.01 08:00:04 veth2532b41 33.67 34.97 31.15 191.97 0.00 0.00 0.00 0.02 08:00:04 veth32fb28a 55.51 60.29 56.90 24.43 0.00 0.00 0.00 0.00 08:00:04 veth1d5b64d 34.79 31.88 30.47 19.31 0.00 0.00 0.00 0.00 08:00:04 vethae5e5c6 30.89 29.14 16.44 39.95 0.00 0.00 0.00 0.00 08:10:05 lo 25.65 25.65 111.69 111.69 0.00 0.00 0.00 0.00 08:10:05 ens3 5.64 3.66 5.18 2.40 0.00 0.00 0.00 0.00 08:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:05 br-5306dd606f4e 22.94 23.46 24.39 92.84 0.00 0.00 0.00 0.00 08:10:05 veth14378b2 0.13 0.15 0.02 0.05 0.00 0.00 0.00 0.00 08:10:05 vethba0e022 8.48 8.97 30.67 28.67 0.00 0.00 0.00 0.00 08:10:05 veth9abfe17 13.94 13.76 143.91 30.75 0.00 0.00 0.00 0.01 08:10:05 veth2532b41 30.50 30.99 24.79 235.34 0.00 0.00 0.00 0.02 08:10:05 veth32fb28a 41.07 45.21 34.79 10.92 0.00 0.00 0.00 0.00 08:10:05 veth1d5b64d 31.38 28.35 34.17 18.28 0.00 0.00 0.00 0.00 Average: lo 18.47 18.47 77.08 77.08 0.00 0.00 0.00 0.00 Average: ens3 78.12 47.91 818.83 17.28 0.00 0.00 0.00 0.00 Average: docker0 7.84 13.99 0.60 190.96 0.00 0.00 0.00 0.00 Average: br-5306dd606f4e 16.02 16.94 15.48 67.77 0.00 0.00 0.00 0.00 Average: veth14378b2 0.07 0.09 0.01 0.02 0.00 0.00 0.00 0.00 Average: vethba0e022 5.91 6.10 20.40 16.07 0.00 0.00 0.00 0.00 Average: veth9abfe17 9.10 8.95 84.32 20.40 0.00 0.00 0.00 0.01 Average: veth2532b41 20.81 21.78 15.63 151.07 0.00 0.00 0.00 0.01 Average: veth32fb28a 50.50 54.24 38.95 22.62 0.00 0.00 0.00 0.00 Average: veth1d5b64d 37.60 34.67 33.12 19.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-1540) 10/14/26 _x86_64_ (8 CPU) 07:24:34 LINUX RESTART (8 CPU) 07:30:10 CPU %user %nice %system %iowait %steal %idle 07:40:10 all 26.07 0.02 4.26 1.31 0.02 68.32 07:40:10 0 26.24 0.05 4.48 1.63 0.02 67.59 07:40:10 1 28.37 0.02 4.49 1.40 0.02 65.70 07:40:10 2 25.90 0.02 4.45 1.31 0.02 68.31 07:40:10 3 26.45 0.03 4.15 1.00 0.02 68.35 07:40:10 4 26.20 0.02 3.82 1.22 0.02 68.73 07:40:10 5 27.25 0.03 3.83 0.63 0.02 68.24 07:40:10 6 25.15 0.03 4.61 1.23 0.02 68.96 07:40:10 7 23.00 0.01 4.21 2.05 0.02 70.71 07:50:00 all 8.93 0.01 1.88 0.14 0.01 89.04 07:50:00 0 8.62 0.01 2.52 0.12 0.01 88.73 07:50:00 1 9.22 0.00 2.05 0.28 0.01 88.44 07:50:00 2 8.81 0.01 2.07 0.09 0.01 89.01 07:50:00 3 8.67 0.00 1.80 0.12 0.01 89.40 07:50:00 4 9.20 0.01 1.73 0.06 0.01 88.99 07:50:00 5 9.68 0.01 1.73 0.10 0.01 88.48 07:50:00 6 8.68 0.01 1.58 0.22 0.01 89.50 07:50:00 7 8.53 0.02 1.53 0.11 0.01 89.80 08:00:04 all 8.17 0.00 2.33 0.06 0.01 89.42 08:00:04 0 8.06 0.00 2.97 0.06 0.01 88.90 08:00:04 1 7.74 0.00 2.55 0.13 0.01 89.56 08:00:04 2 8.40 0.00 2.43 0.07 0.02 89.09 08:00:04 3 8.06 0.00 2.11 0.02 0.01 89.79 08:00:04 4 8.95 0.00 2.24 0.03 0.02 88.77 08:00:04 5 7.77 0.01 2.11 0.08 0.01 90.01 08:00:04 6 8.10 0.00 2.17 0.04 0.01 89.67 08:00:04 7 8.31 0.00 2.05 0.07 0.02 89.55 08:10:05 all 7.52 0.01 2.26 0.10 0.02 90.09 08:10:05 0 7.67 0.01 2.93 0.06 0.01 89.31 08:10:05 1 7.28 0.01 2.49 0.16 0.01 90.06 08:10:05 2 7.38 0.00 2.14 0.11 0.02 90.35 08:10:05 3 7.14 0.00 2.25 0.06 0.01 90.54 08:10:05 4 7.37 0.00 2.04 0.06 0.01 90.51 08:10:05 5 8.78 0.01 2.06 0.09 0.02 89.05 08:10:05 6 7.39 0.00 1.97 0.14 0.02 90.48 08:10:05 7 7.16 0.01 2.20 0.17 0.02 90.45 Average: all 12.68 0.01 2.68 0.40 0.01 84.21 Average: 0 12.63 0.02 3.22 0.46 0.01 83.65 Average: 1 13.15 0.01 2.90 0.49 0.01 83.44 Average: 2 12.63 0.01 2.78 0.39 0.02 84.17 Average: 3 12.59 0.01 2.58 0.30 0.01 84.51 Average: 4 12.93 0.01 2.46 0.34 0.01 84.25 Average: 5 13.38 0.01 2.44 0.23 0.01 83.93 Average: 6 12.33 0.01 2.59 0.41 0.01 84.65 Average: 7 11.76 0.01 2.50 0.60 0.02 85.12