---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47384 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 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: 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 61G 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 740 10614 4 4634 14905 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:87:40:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80097sec preferred_lft 80097sec inet6 fe80::f816:3eff:fe87:4055/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:30:6a:b1:6b:54 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47384) 09/04/26 _x86_64_ (4 CPU) 07:36:44 LINUX RESTART (4 CPU) 07:40:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:20 80.45 3.41 73.62 3.42 141.60 31995.50 10483.70 08:00:22 50.48 21.20 27.62 1.66 190.41 1760.37 1512.84 08:10:12 14.38 0.13 13.46 0.79 8.45 669.60 820.92 08:20:01 16.97 0.04 16.13 0.80 1.66 465.90 706.95 08:30:22 6.79 0.01 6.45 0.33 0.26 190.10 112.54 08:40:22 4.58 0.01 4.36 0.21 1.08 130.68 66.69 08:50:22 4.87 0.00 4.67 0.19 0.33 141.22 72.57 09:00:05 2.37 0.00 2.36 0.02 0.14 39.66 0.12 09:10:18 12.04 0.01 11.48 0.55 0.54 646.51 716.55 09:20:22 4.96 0.02 4.75 0.19 0.58 160.02 55.23 Average: 19.77 2.49 16.47 0.81 34.51 3609.85 1451.17 07:40:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:20 2359840 6418808 9510256 58.08 249236 3719652 10895584 62.54 2005312 11318592 1764 08:00:22 2647208 6266324 9667728 59.05 259604 3318376 11105268 63.74 2100864 11022028 460 08:10:12 11563712 15307692 631372 3.86 264732 3435776 1359624 7.80 2132084 2087772 7928 08:20:01 11507188 15310424 628736 3.84 267440 3492228 1359824 7.81 2138184 2141844 10280 08:30:22 7473316 11291792 4645244 28.37 268332 3506516 5394288 30.96 2139796 6166108 136 08:40:22 6148496 9984148 5952672 36.36 268964 3523028 6729168 38.63 2141828 7475056 184 08:50:22 5945344 9799616 6136808 37.48 269528 3541000 6809088 39.08 2144804 7687532 320 09:00:05 11416880 15289580 649424 3.97 269932 3558992 1359328 7.80 2146516 2202636 17280 09:10:18 7357408 11351556 4585368 28.01 274212 3670564 5333280 30.61 2160556 6248424 212 09:20:22 6478664 10497244 5439104 33.22 274812 3694296 6111648 35.08 2171936 7122468 496 Average: 7289806 11151718 4784671 29.22 266679 3546043 5645710 32.41 2128188 6347246 3906 07:40:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:20 lo 12.58 12.58 11.98 11.98 0.00 0.00 0.00 0.00 07:50:20 ens3 105.82 79.12 1009.98 7.38 0.00 0.00 0.00 0.00 07:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:22 lo 46.79 46.79 21.70 21.70 0.00 0.00 0.00 0.00 08:00:22 ens3 2.49 2.42 0.60 1.38 0.00 0.00 0.00 0.00 08:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:12 lo 25.45 25.45 11.25 11.25 0.00 0.00 0.00 0.00 08:10:12 ens3 1.33 1.21 0.35 0.30 0.00 0.00 0.00 0.00 08:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 17.52 17.52 8.66 8.66 0.00 0.00 0.00 0.00 08:20:01 ens3 0.99 0.86 0.22 0.19 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 08:30:22 lo 17.72 17.72 8.90 8.90 0.00 0.00 0.00 0.00 08:30:22 ens3 0.94 0.65 0.23 0.18 0.00 0.00 0.00 0.00 08:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:22 lo 21.73 21.73 8.54 8.54 0.00 0.00 0.00 0.00 08:40:22 ens3 0.44 0.30 0.08 0.06 0.00 0.00 0.00 0.00 08:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:22 lo 21.14 21.14 10.81 10.81 0.00 0.00 0.00 0.00 08:50:22 ens3 0.71 0.62 0.13 0.12 0.00 0.00 0.00 0.00 08:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:05 lo 11.51 11.51 6.18 6.18 0.00 0.00 0.00 0.00 09:00:05 ens3 0.56 0.40 0.13 0.10 0.00 0.00 0.00 0.00 09:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:18 lo 13.75 13.75 8.05 8.05 0.00 0.00 0.00 0.00 09:10:18 ens3 0.92 0.79 0.25 0.20 0.00 0.00 0.00 0.00 09:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:22 lo 33.03 33.03 12.86 12.86 0.00 0.00 0.00 0.00 09:20:22 ens3 0.94 0.70 0.24 0.20 0.00 0.00 0.00 0.00 09:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.14 22.14 10.90 10.90 0.00 0.00 0.00 0.00 Average: ens3 11.48 8.68 100.88 1.01 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47384) 09/04/26 _x86_64_ (4 CPU) 07:36:44 LINUX RESTART (4 CPU) 07:40:22 CPU %user %nice %system %iowait %steal %idle 07:50:20 all 49.77 0.00 2.43 0.35 0.03 47.42 07:50:20 0 47.27 0.00 2.53 0.38 0.02 49.80 07:50:20 1 48.04 0.00 2.50 0.36 0.02 49.07 07:50:20 2 52.51 0.00 2.44 0.39 0.03 44.63 07:50:20 3 51.25 0.00 2.27 0.27 0.03 46.18 08:00:22 all 47.90 0.00 2.00 0.10 0.03 49.96 08:00:22 0 47.34 0.00 2.11 0.05 0.03 50.46 08:00:22 1 48.30 0.00 2.10 0.12 0.03 49.45 08:00:22 2 48.41 0.00 1.99 0.14 0.03 49.43 08:00:22 3 47.56 0.00 1.80 0.10 0.03 50.51 08:10:12 all 22.46 0.00 1.25 0.19 0.02 76.08 08:10:12 0 21.81 0.00 1.39 0.25 0.02 76.53 08:10:12 1 22.69 0.00 1.23 0.05 0.02 76.00 08:10:12 2 22.61 0.00 1.21 0.37 0.03 75.77 08:10:12 3 22.73 0.00 1.16 0.08 0.02 76.01 08:20:01 all 24.35 0.00 0.97 0.06 0.02 74.60 08:20:01 0 24.92 0.00 0.92 0.06 0.02 74.08 08:20:01 1 24.91 0.00 1.05 0.10 0.02 73.93 08:20:01 2 23.51 0.00 0.93 0.08 0.02 75.46 08:20:01 3 24.05 0.00 0.97 0.03 0.02 74.94 08:30:22 all 11.95 0.00 0.52 0.03 0.02 87.48 08:30:22 0 12.01 0.00 0.50 0.01 0.02 87.46 08:30:22 1 11.51 0.00 0.58 0.01 0.02 87.87 08:30:22 2 12.18 0.00 0.48 0.08 0.02 87.24 08:30:22 3 12.11 0.00 0.51 0.01 0.01 87.36 08:40:22 all 8.55 0.00 0.49 0.06 0.02 90.88 08:40:22 0 8.29 0.00 0.52 0.07 0.02 91.10 08:40:22 1 8.59 0.00 0.48 0.01 0.03 90.89 08:40:22 2 8.30 0.00 0.47 0.14 0.03 91.07 08:40:22 3 9.03 0.00 0.50 0.01 0.03 90.44 08:50:22 all 10.39 0.00 0.46 0.03 0.02 89.09 08:50:22 0 9.83 0.00 0.48 0.01 0.02 89.66 08:50:22 1 10.54 0.00 0.47 0.03 0.03 88.94 08:50:22 2 10.60 0.00 0.48 0.03 0.03 88.85 08:50:22 3 10.60 0.00 0.42 0.04 0.02 88.91 09:00:05 all 1.83 0.00 0.26 0.02 0.03 97.87 09:00:05 0 1.73 0.00 0.27 0.01 0.03 97.96 09:00:05 1 2.15 0.00 0.23 0.03 0.03 97.56 09:00:05 2 1.69 0.00 0.28 0.01 0.04 97.98 09:00:05 3 1.73 0.00 0.24 0.02 0.03 97.97 09:10:18 all 17.68 0.00 0.78 0.05 0.04 81.44 09:10:18 0 17.54 0.00 0.90 0.12 0.04 81.40 09:10:18 1 17.90 0.00 0.75 0.03 0.03 81.28 09:10:18 2 17.89 0.00 0.70 0.01 0.04 81.36 09:10:18 3 17.41 0.00 0.78 0.03 0.04 81.74 09:20:22 all 10.06 0.00 0.51 0.03 0.03 89.37 09:20:22 0 10.27 0.00 0.56 0.02 0.03 89.12 09:20:22 1 10.49 0.00 0.52 0.02 0.03 88.93 09:20:22 2 9.56 0.00 0.47 0.04 0.02 89.91 09:20:22 3 9.91 0.00 0.51 0.03 0.03 89.52 Average: all 20.50 0.00 0.97 0.09 0.03 78.41 Average: 0 20.11 0.00 1.02 0.10 0.03 78.74 Average: 1 20.52 0.00 0.99 0.08 0.03 78.39 Average: 2 20.74 0.00 0.94 0.13 0.03 78.16 Average: 3 20.64 0.00 0.92 0.06 0.03 78.36