---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-38986 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 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: 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 17G 61G 22% / 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 724 6681 4 8583 14922 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:57:26:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79370sec preferred_lft 79370sec inet6 fe80::f816:3eff:fe57:26c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:08:89:74:8c:e1 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::9808:89ff:fe74:8ce1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-16g-38986) 08/20/26 _x86_64_ (4 CPU) 08:52:45 LINUX RESTART (4 CPU) 09:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:04 18.75 0.85 16.95 0.95 76.16 1502.33 1992.23 09:20:04 19.61 0.07 4.72 14.82 1.13 137.24 215900.73 09:30:04 9.52 0.00 9.12 0.40 0.00 275.31 1499.21 09:40:00 24.08 0.78 22.04 1.26 10.39 1844.69 1830.21 09:50:04 30.86 0.01 29.34 1.52 0.34 1766.61 740.39 10:00:03 5.47 0.00 5.31 0.16 0.00 140.93 57.37 10:10:01 7.82 0.00 7.55 0.27 0.00 244.13 304.05 10:20:03 6.40 0.00 6.12 0.28 0.00 179.98 108.90 10:30:04 4.14 0.00 4.14 0.00 0.00 70.93 0.00 10:40:04 12.11 0.00 11.54 0.56 0.00 696.97 204.37 Average: 13.88 0.17 11.69 2.02 8.80 685.83 22262.96 09:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:04 3356568 11164472 4763760 29.10 234384 7414432 5504976 31.60 1982984 10319032 216 09:20:04 3231836 11052192 4876104 29.78 235784 7425420 5583060 32.05 2003024 10426004 244 09:30:04 1759888 9597720 6329648 38.66 237260 7441340 7048348 40.46 2008328 11887368 212 09:40:00 3945652 11289976 4636688 28.32 250884 6934640 5733396 32.91 2149432 9543344 11640 09:50:04 3618044 11314104 4612876 28.17 262572 7265216 5334928 30.62 2258612 9778944 372 10:00:03 3574096 11286756 4641120 28.35 263176 7281140 5362520 30.78 2259784 9810856 248 10:10:01 4484112 12235160 3693444 22.56 263768 7318880 5034756 28.90 2262488 8916664 356 10:20:03 2193924 9968616 5958640 36.39 264780 7341464 6762352 38.82 2266344 11176364 300 10:30:04 1896112 9673252 6253680 38.19 265216 7343488 6967828 40.00 2266780 11469088 276 10:40:04 3370796 11304740 4622616 28.23 269192 7488288 5278336 30.30 2282308 9990036 244 Average: 3143103 10888699 5038858 30.78 254702 7325431 5861050 33.64 2174008 10331770 1411 09:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:04 lo 12.79 12.79 10.02 10.02 0.00 0.00 0.00 0.00 09:10:04 ens3 0.80 0.69 0.21 0.17 0.00 0.00 0.00 0.00 09:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:04 lo 11.73 11.73 5.44 5.44 0.00 0.00 0.00 0.00 09:20:04 ens3 1.31 0.71 0.39 0.26 0.00 0.00 0.00 0.00 09:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:04 lo 9.80 9.80 6.40 6.40 0.00 0.00 0.00 0.00 09:30:04 ens3 0.66 0.50 0.12 0.77 0.00 0.00 0.00 0.00 09:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 14.37 14.37 12.95 12.95 0.00 0.00 0.00 0.00 09:40:00 ens3 1.51 1.61 0.37 0.75 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:04 lo 32.28 32.28 16.05 16.05 0.00 0.00 0.00 0.00 09:50:04 ens3 1.53 1.40 0.37 0.32 0.00 0.00 0.00 0.00 09:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:03 lo 14.60 14.60 7.73 7.73 0.00 0.00 0.00 0.00 10:00:03 ens3 0.74 0.55 0.17 0.13 0.00 0.00 0.00 0.00 10:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 24.60 24.60 8.37 8.37 0.00 0.00 0.00 0.00 10:10:01 ens3 0.50 0.41 0.10 0.07 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 20.56 20.56 11.72 11.72 0.00 0.00 0.00 0.00 10:20:03 ens3 0.77 0.62 0.18 0.14 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:04 lo 14.16 14.16 7.73 7.73 0.00 0.00 0.00 0.00 10:30:04 ens3 0.50 0.34 0.10 0.07 0.00 0.00 0.00 0.00 10:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:04 lo 16.05 16.05 9.06 9.06 0.00 0.00 0.00 0.00 10:40:04 ens3 0.98 0.80 0.25 0.20 0.00 0.00 0.00 0.00 10:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.11 17.11 9.55 9.55 0.00 0.00 0.00 0.00 Average: ens3 0.93 0.76 0.23 0.29 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-16g-38986) 08/20/26 _x86_64_ (4 CPU) 08:52:45 LINUX RESTART (4 CPU) 09:00:04 CPU %user %nice %system %iowait %steal %idle 09:10:04 all 25.73 0.00 1.03 0.06 0.10 73.07 09:10:04 0 26.57 0.00 1.06 0.04 0.10 72.23 09:10:04 1 25.14 0.00 1.15 0.05 0.10 73.56 09:10:04 2 26.02 0.00 0.77 0.05 0.11 73.06 09:10:04 3 25.21 0.00 1.14 0.12 0.10 73.44 09:20:04 all 9.51 0.00 0.49 0.02 0.08 89.90 09:20:04 0 9.07 0.00 0.55 0.03 0.08 90.27 09:20:04 1 9.59 0.00 0.45 0.02 0.08 89.87 09:20:04 2 9.54 0.00 0.49 0.01 0.08 89.88 09:20:04 3 9.82 0.00 0.47 0.03 0.08 89.59 09:30:04 all 18.02 0.00 0.68 0.03 0.09 81.18 09:30:04 0 17.82 0.00 0.71 0.04 0.09 81.34 09:30:04 1 18.17 0.00 0.72 0.02 0.09 81.00 09:30:04 2 17.23 0.00 0.63 0.03 0.10 82.01 09:30:04 3 18.85 0.00 0.68 0.03 0.09 80.35 09:40:00 all 36.25 0.00 1.26 0.07 0.12 62.30 09:40:00 0 36.22 0.00 1.25 0.04 0.12 62.37 09:40:00 1 35.20 0.00 1.33 0.13 0.12 63.22 09:40:00 2 36.80 0.00 1.18 0.09 0.12 61.82 09:40:00 3 36.78 0.00 1.29 0.03 0.12 61.78 09:50:04 all 45.32 0.00 1.51 0.10 0.12 52.95 09:50:04 0 46.04 0.00 1.67 0.05 0.13 52.11 09:50:04 1 45.36 0.00 1.55 0.15 0.12 52.82 09:50:04 2 45.23 0.00 1.43 0.08 0.12 53.14 09:50:04 3 44.64 0.00 1.39 0.11 0.12 53.74 10:00:03 all 8.39 0.00 0.33 0.03 0.08 91.16 10:00:03 0 8.32 0.00 0.37 0.01 0.08 91.22 10:00:03 1 8.50 0.00 0.35 0.01 0.08 91.06 10:00:03 2 8.33 0.00 0.29 0.09 0.08 91.21 10:00:03 3 8.42 0.00 0.31 0.03 0.07 91.16 10:10:01 all 12.87 0.00 0.52 0.05 0.08 86.47 10:10:01 0 12.79 0.00 0.52 0.02 0.09 86.58 10:10:01 1 13.31 0.00 0.41 0.03 0.09 86.16 10:10:01 2 13.03 0.00 0.53 0.02 0.08 86.34 10:10:01 3 12.35 0.00 0.63 0.15 0.08 86.80 10:20:03 all 14.93 0.00 0.73 0.07 0.09 84.18 10:20:03 0 15.24 0.00 0.79 0.04 0.08 83.84 10:20:03 1 15.06 0.00 0.67 0.06 0.10 84.11 10:20:03 2 14.95 0.00 0.70 0.12 0.09 84.13 10:20:03 3 14.45 0.00 0.75 0.07 0.09 84.64 10:30:04 all 3.16 0.00 0.43 0.02 0.07 96.32 10:30:04 0 2.98 0.00 0.46 0.00 0.06 96.49 10:30:04 1 3.01 0.00 0.46 0.02 0.07 96.44 10:30:04 2 3.30 0.00 0.40 0.02 0.08 96.21 10:30:04 3 3.34 0.00 0.41 0.03 0.07 96.16 10:40:04 all 22.36 0.00 0.90 0.04 0.10 76.61 10:40:04 0 22.07 0.00 0.96 0.03 0.10 76.85 10:40:04 1 22.67 0.00 0.98 0.09 0.10 76.15 10:40:04 2 22.86 0.00 0.82 0.01 0.10 76.20 10:40:04 3 21.82 0.00 0.84 0.02 0.10 77.21 Average: all 19.66 0.00 0.79 0.05 0.09 79.41 Average: 0 19.72 0.00 0.84 0.03 0.09 79.32 Average: 1 19.60 0.00 0.81 0.06 0.09 79.44 Average: 2 19.73 0.00 0.72 0.05 0.10 79.40 Average: 3 19.57 0.00 0.79 0.06 0.09 79.49