---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-36419 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 680 12528 3 2780 14966 Swap: 1023 37 986 ---> 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:00:57:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80188sec preferred_lft 80188sec inet6 fe80::f816:3eff:fe00:57d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:1e:87:50:b3:14 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::3c1e:87ff:fe50:b314/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-36419) 07/16/26 _x86_64_ (4 CPU) 13:05:33 LINUX RESTART (4 CPU) 13:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:00 89.99 3.71 82.89 3.40 143.46 29218.65 11192.50 13:30:04 45.25 19.15 24.55 1.56 961.68 1885.45 864.59 13:40:01 25.90 6.94 18.01 0.96 105.30 747.89 536.14 13:50:04 14.49 0.32 13.50 0.68 7.62 373.83 759.77 14:00:04 4.83 0.22 4.44 0.17 8.00 120.29 73.19 14:10:01 20.36 0.26 4.50 15.60 9.43 131.72 213287.32 14:20:04 4.98 0.22 4.58 0.18 4.38 134.52 63.38 14:30:04 5.00 0.22 4.61 0.18 7.56 143.64 52.19 14:40:01 9.96 0.79 8.77 0.40 23.23 541.62 88.26 Average: 24.52 3.55 18.42 2.56 141.80 3693.59 25091.28 13:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:00 161192 4072216 11856760 72.42 255788 3574952 13206748 75.81 2108396 13452916 936 13:30:04 2651968 4305556 11635848 71.07 238720 1547056 13272484 76.18 1077364 12219588 2616 13:40:01 11891900 13675508 2271044 13.87 244896 1669972 3092008 17.75 1151672 2933016 120 13:50:04 9657460 11487036 4459580 27.24 247792 1713048 5309880 30.48 1160032 5150148 276 14:00:04 9556204 11401292 4545252 27.76 248448 1727912 5335276 30.62 1163788 5253360 264 14:10:01 8009468 9876764 6069060 37.07 249632 1748928 6872932 39.45 1173064 6773328 416 14:20:04 8174756 10060196 5885572 35.95 250196 1766512 6783708 38.94 1177876 6600820 492 14:30:04 9605664 11511684 4435112 27.09 251020 1786264 5327704 30.58 1182752 5186272 476 14:40:01 9221320 11250184 4696380 28.68 254956 1901808 5342236 30.66 1203448 5537544 340 Average: 7658881 9737826 6206068 37.90 249050 1937384 7171442 41.16 1266488 7011888 660 13:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:00 lo 15.22 15.22 12.95 12.95 0.00 0.00 0.00 0.00 13:20:00 ens3 37.95 27.52 655.49 3.07 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:04 lo 43.05 43.05 21.89 21.89 0.00 0.00 0.00 0.00 13:30:04 ens3 1.72 1.56 0.40 0.34 0.00 0.00 0.00 0.00 13:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 31.33 31.33 13.27 13.27 0.00 0.00 0.00 0.00 13:40:01 ens3 1.98 1.74 0.39 1.26 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:04 lo 19.21 19.21 10.03 10.03 0.00 0.00 0.00 0.00 13:50:04 ens3 0.84 0.80 0.17 0.14 0.00 0.00 0.00 0.00 13:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:04 lo 21.83 21.83 8.82 8.82 0.00 0.00 0.00 0.00 14:00:04 ens3 0.70 0.54 0.18 0.14 0.00 0.00 0.00 0.00 14:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 19.41 19.41 8.37 8.37 0.00 0.00 0.00 0.00 14:10:01 ens3 0.44 0.31 0.11 0.06 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:04 lo 15.21 15.21 7.79 7.79 0.00 0.00 0.00 0.00 14:20:04 ens3 0.52 0.41 0.10 0.08 0.00 0.00 0.00 0.00 14:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:04 lo 16.49 16.49 9.27 9.27 0.00 0.00 0.00 0.00 14:30:04 ens3 0.59 0.49 0.12 0.10 0.00 0.00 0.00 0.00 14:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 14.05 14.05 7.55 7.55 0.00 0.00 0.00 0.00 14:40:01 ens3 0.92 0.71 0.29 0.21 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.77 21.77 11.11 11.11 0.00 0.00 0.00 0.00 Average: ens3 5.06 3.78 72.87 0.60 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-36419) 07/16/26 _x86_64_ (4 CPU) 13:05:33 LINUX RESTART (4 CPU) 13:10:01 CPU %user %nice %system %iowait %steal %idle 13:20:00 all 59.64 0.00 2.79 0.22 0.11 37.23 13:20:00 0 62.17 0.00 2.67 0.13 0.12 34.91 13:20:00 1 56.93 0.00 3.13 0.20 0.11 39.62 13:20:00 2 60.07 0.00 2.67 0.34 0.11 36.81 13:20:00 3 59.39 0.00 2.70 0.22 0.12 37.57 13:30:04 all 50.91 0.00 1.93 0.17 0.11 46.89 13:30:04 0 51.30 0.00 1.94 0.26 0.11 46.39 13:30:04 1 50.83 0.00 1.98 0.10 0.11 46.98 13:30:04 2 51.24 0.00 1.82 0.15 0.11 46.68 13:30:04 3 50.26 0.00 1.96 0.15 0.11 47.52 13:40:01 all 31.07 0.00 1.30 0.09 0.09 67.45 13:40:01 0 31.02 0.00 1.27 0.10 0.09 67.51 13:40:01 1 31.72 0.00 1.26 0.05 0.09 66.88 13:40:01 2 31.49 0.00 1.26 0.06 0.09 67.10 13:40:01 3 30.05 0.00 1.39 0.15 0.09 68.32 13:50:04 all 25.42 0.00 0.79 0.04 0.08 73.67 13:50:04 0 25.75 0.00 0.86 0.05 0.07 73.26 13:50:04 1 24.12 0.00 0.69 0.06 0.08 75.05 13:50:04 2 26.14 0.00 0.72 0.03 0.08 73.03 13:50:04 3 25.66 0.00 0.89 0.04 0.08 73.34 14:00:04 all 8.33 0.00 0.34 0.02 0.07 91.24 14:00:04 0 8.12 0.00 0.31 0.05 0.06 91.45 14:00:04 1 8.42 0.00 0.34 0.01 0.07 91.16 14:00:04 2 7.94 0.00 0.34 0.01 0.07 91.64 14:00:04 3 8.85 0.00 0.37 0.01 0.07 90.70 14:10:01 all 9.77 0.00 0.42 0.04 0.06 89.71 14:10:01 0 8.93 0.00 0.40 0.01 0.05 90.61 14:10:01 1 10.31 0.00 0.43 0.02 0.06 89.18 14:10:01 2 9.65 0.00 0.43 0.02 0.07 89.84 14:10:01 3 10.18 0.00 0.43 0.10 0.07 89.22 14:20:04 all 9.39 0.00 0.51 0.02 0.07 90.01 14:20:04 0 9.17 0.00 0.49 0.02 0.07 90.25 14:20:04 1 9.97 0.00 0.47 0.01 0.08 89.48 14:20:04 2 9.17 0.00 0.60 0.03 0.07 90.12 14:20:04 3 9.25 0.00 0.50 0.01 0.07 90.17 14:30:04 all 8.13 0.00 0.36 0.02 0.08 91.40 14:30:04 0 7.96 0.00 0.37 0.02 0.07 91.58 14:30:04 1 8.07 0.00 0.32 0.00 0.08 91.52 14:30:04 2 8.39 0.00 0.41 0.04 0.08 91.07 14:30:04 3 8.12 0.00 0.34 0.03 0.08 91.44 14:40:01 all 13.81 0.00 0.49 0.05 0.08 85.58 14:40:01 0 13.76 0.00 0.58 0.07 0.07 85.52 14:40:01 1 14.03 0.00 0.55 0.05 0.09 85.28 14:40:01 2 13.79 0.00 0.43 0.02 0.08 85.69 14:40:01 3 13.64 0.00 0.41 0.05 0.08 85.83 Average: all 24.06 0.00 0.99 0.07 0.08 74.79 Average: 0 24.26 0.00 0.99 0.08 0.08 74.59 Average: 1 23.83 0.00 1.02 0.05 0.09 75.01 Average: 2 24.23 0.00 0.97 0.08 0.09 74.65 Average: 3 23.93 0.00 1.00 0.08 0.08 74.90