---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-2165 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 697 11166 4 4124 14948 Swap: 1023 12 1011 ---> 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:1a:be:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79982sec preferred_lft 79982sec inet6 fe80::f816:3eff:fe1a:be7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:fc:bd:7a:1a:24 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::e4fc:bdff:fe7a:1a24/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-2165) 03/18/26 _x86_64_ (4 CPU) 10:04:12 LINUX RESTART (4 CPU) 10:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:15 91.73 27.53 60.39 3.81 446.84 6886.77 4128.07 10:30:15 16.84 1.07 14.94 0.82 19.85 388.84 1469.16 10:40:15 7.44 0.13 6.95 0.36 5.27 254.63 339.39 10:50:15 32.65 12.10 19.64 0.90 146.43 867.91 576.24 11:00:15 25.99 0.07 9.59 16.33 1.48 291.57 210862.53 11:10:15 5.93 0.01 5.75 0.18 0.19 154.51 71.56 11:20:00 5.00 0.05 4.77 0.18 1.45 144.54 83.54 11:30:00 5.21 0.04 4.99 0.18 0.67 154.88 95.29 11:40:01 12.35 0.10 11.74 0.51 4.84 694.25 257.81 11:50:08 5.37 0.02 5.19 0.16 0.59 177.42 132.51 Average: 20.87 4.12 14.41 2.35 62.83 1002.62 21827.41 10:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:15 4541404 7381924 8554832 52.25 269748 2608308 10994168 63.11 1986744 9327220 1948 10:30:15 3858292 6725056 9211984 56.26 272168 2632056 10942620 62.81 2020124 9960404 448 10:40:15 6799140 9690224 6248688 38.16 273144 2655400 7006592 40.22 2026528 7038716 56 10:50:15 10484832 13578540 2363352 14.43 283816 2840812 3070728 17.63 2107712 3288108 252 11:00:15 8193684 11330908 4609368 28.15 284812 2883280 5360504 30.77 2115228 5560956 168 11:10:15 8273260 11429400 4510768 27.55 285444 2901560 5193224 29.81 2116568 5468056 100 11:20:00 6761556 9937124 6002412 36.66 285972 2920452 6759648 38.80 2118764 6983644 176 11:30:00 6577884 9775224 6164144 37.65 286668 2941528 6896448 39.59 2122288 7163188 104 11:40:01 8138880 11490596 4449788 27.18 291100 3085292 5183408 29.75 2139444 5584072 256 11:50:08 7197392 10577640 5362124 32.75 291668 3113216 5978312 34.32 2150708 6499312 348 Average: 7082632 10191664 5747746 35.10 282454 2858190 6738565 38.68 2090411 6687368 386 10:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:15 lo 22.63 22.63 17.67 17.67 0.00 0.00 0.00 0.00 10:20:15 ens3 2.28 1.85 0.64 0.53 0.00 0.00 0.00 0.00 10:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:15 lo 47.36 47.36 20.45 20.45 0.00 0.00 0.00 0.00 10:30:15 ens3 1.78 1.49 0.36 1.23 0.00 0.00 0.00 0.00 10:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:15 lo 16.53 16.53 8.13 8.13 0.00 0.00 0.00 0.00 10:40:15 ens3 1.96 0.49 0.44 0.23 0.00 0.00 0.00 0.00 10:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:15 lo 13.29 13.29 6.63 6.63 0.00 0.00 0.00 0.00 10:50:15 ens3 1.09 0.86 0.26 0.21 0.00 0.00 0.00 0.00 10:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:15 lo 19.58 19.58 10.24 10.24 0.00 0.00 0.00 0.00 11:00:15 ens3 0.94 0.69 0.19 0.15 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 11:10:15 lo 26.38 26.38 9.55 9.55 0.00 0.00 0.00 0.00 11:10:15 ens3 0.76 0.43 0.16 0.11 0.00 0.00 0.00 0.00 11:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 16.94 16.94 8.11 8.11 0.00 0.00 0.00 0.00 11:20:00 ens3 1.10 0.44 0.22 0.13 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 17.34 17.34 10.21 10.21 0.00 0.00 0.00 0.00 11:30:00 ens3 0.88 0.56 0.20 0.15 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 18.55 18.55 10.46 10.46 0.00 0.00 0.00 0.00 11:40:01 ens3 1.17 0.83 0.34 0.26 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:08 lo 33.02 33.02 12.78 12.78 0.00 0.00 0.00 0.00 11:50:08 ens3 1.04 0.63 0.23 0.16 0.00 0.00 0.00 0.00 11:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.19 23.19 11.43 11.43 0.00 0.00 0.00 0.00 Average: ens3 1.30 0.83 0.30 0.32 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-2165) 03/18/26 _x86_64_ (4 CPU) 10:04:12 LINUX RESTART (4 CPU) 10:10:15 CPU %user %nice %system %iowait %steal %idle 10:20:15 all 60.10 0.00 2.26 0.15 0.11 37.38 10:20:15 0 59.90 0.00 2.13 0.24 0.11 37.62 10:20:15 1 59.49 0.00 2.47 0.11 0.11 37.83 10:20:15 2 60.31 0.00 2.26 0.13 0.11 37.19 10:20:15 3 60.70 0.00 2.17 0.11 0.11 36.90 10:30:15 all 35.01 0.00 1.34 0.04 0.11 63.50 10:30:15 0 35.17 0.00 1.35 0.03 0.11 63.34 10:30:15 1 34.47 0.00 1.47 0.06 0.11 63.89 10:30:15 2 35.48 0.00 1.26 0.03 0.11 63.12 10:30:15 3 34.90 0.00 1.30 0.05 0.11 63.64 10:40:15 all 18.07 0.00 0.78 0.03 0.09 81.03 10:40:15 0 18.67 0.00 0.86 0.01 0.09 80.37 10:40:15 1 18.23 0.00 0.73 0.04 0.10 80.90 10:40:15 2 17.00 0.00 0.75 0.02 0.09 82.14 10:40:15 3 18.37 0.00 0.80 0.03 0.09 80.71 10:50:15 all 30.55 0.08 1.15 0.14 0.09 67.98 10:50:15 0 30.18 0.01 1.28 0.04 0.09 68.40 10:50:15 1 29.53 0.14 1.00 0.21 0.09 69.03 10:50:15 2 31.10 0.08 1.18 0.09 0.10 67.46 10:50:15 3 31.39 0.09 1.16 0.24 0.09 67.03 11:00:15 all 17.94 0.00 0.64 0.06 0.09 81.27 11:00:15 0 18.04 0.00 0.66 0.06 0.09 81.15 11:00:15 1 18.01 0.00 0.65 0.06 0.08 81.20 11:00:15 2 18.76 0.00 0.64 0.11 0.08 80.40 11:00:15 3 16.95 0.00 0.60 0.03 0.09 82.34 11:10:15 all 8.69 0.00 0.46 0.03 0.08 90.75 11:10:15 0 8.71 0.00 0.43 0.03 0.07 90.76 11:10:15 1 8.93 0.00 0.43 0.01 0.08 90.55 11:10:15 2 8.65 0.00 0.50 0.01 0.09 90.76 11:10:15 3 8.48 0.00 0.46 0.05 0.09 90.92 11:20:00 all 10.73 0.00 0.51 0.02 0.09 88.65 11:20:00 0 10.74 0.00 0.52 0.04 0.08 88.62 11:20:00 1 10.72 0.00 0.46 0.01 0.09 88.71 11:20:00 2 10.30 0.00 0.50 0.00 0.09 89.11 11:20:00 3 11.18 0.00 0.54 0.03 0.09 88.16 11:30:00 all 10.20 0.00 0.53 0.03 0.09 89.15 11:30:00 0 9.88 0.00 0.50 0.01 0.08 89.53 11:30:00 1 10.56 0.00 0.59 0.03 0.10 88.73 11:30:00 2 10.33 0.00 0.49 0.01 0.09 89.08 11:30:00 3 10.04 0.00 0.53 0.06 0.09 89.28 11:40:01 all 21.48 0.00 0.88 0.06 0.09 77.49 11:40:01 0 21.62 0.00 0.82 0.08 0.09 77.39 11:40:01 1 20.81 0.00 0.89 0.07 0.09 78.13 11:40:01 2 21.74 0.00 0.86 0.04 0.10 77.26 11:40:01 3 21.75 0.00 0.94 0.05 0.09 77.16 11:50:08 all 11.42 0.00 0.54 0.02 0.08 87.93 11:50:08 0 11.13 0.00 0.48 0.01 0.07 88.30 11:50:08 1 11.84 0.00 0.58 0.03 0.09 87.47 11:50:08 2 11.39 0.00 0.54 0.03 0.08 87.96 11:50:08 3 11.34 0.00 0.56 0.02 0.08 88.00 Average: all 22.42 0.01 0.91 0.06 0.09 76.51 Average: 0 22.41 0.00 0.90 0.06 0.09 76.54 Average: 1 22.26 0.01 0.93 0.06 0.09 76.64 Average: 2 22.51 0.01 0.90 0.05 0.09 76.44 Average: 3 22.51 0.01 0.91 0.07 0.09 76.41