---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-36401 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 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 694 11652 3 3642 14952 Swap: 1023 23 1000 ---> 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:6b:23:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79460sec preferred_lft 79460sec inet6 fe80::f816:3eff:fe6b:23cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:32:51:7a:c6:9a 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::432:51ff:fe7a:c69a/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-36401) 07/16/26 _x86_64_ (4 CPU) 12:13:32 LINUX RESTART (4 CPU) 12:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 64.46 4.28 42.58 17.60 130.55 4810.30 222053.51 12:40:15 51.87 25.32 25.14 1.41 341.86 1671.47 1121.50 12:50:20 8.67 0.50 7.68 0.49 18.36 267.52 1622.33 13:00:01 17.02 0.11 16.16 0.75 2.29 773.47 2283.37 13:10:24 14.06 0.08 13.37 0.61 2.23 438.81 630.47 13:20:24 5.59 0.02 5.39 0.18 0.81 150.49 62.20 13:30:01 5.11 0.03 4.89 0.18 1.84 157.25 60.69 13:40:20 5.23 0.01 5.02 0.19 0.59 157.90 53.11 13:50:20 8.77 0.03 8.28 0.46 0.80 565.45 134.91 14:00:08 5.21 0.03 5.03 0.16 1.31 168.88 38.53 Average: 18.58 3.10 13.32 2.17 50.63 908.52 22292.31 12:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 2169840 5106264 10826852 66.13 253740 2682712 12452472 71.48 1995192 11634608 948 12:40:15 6260812 8634284 7303188 44.60 265128 2181732 8765444 50.31 1796408 7835052 3480 12:50:20 3336096 5735580 10202296 62.31 266448 2206464 11045672 63.40 1807536 10737240 600 13:00:01 11124600 13663488 2279868 13.92 271800 2339416 3059184 17.56 1859036 2919580 300 13:10:24 8798332 11405760 4536424 27.71 274004 2405740 5339716 30.65 1864684 5239640 48 13:20:24 8743588 11370216 4571716 27.92 274568 2424372 5334632 30.62 1866008 5294404 384 13:30:01 7229144 9877452 6063784 37.04 275048 2445576 6868424 39.42 1868380 6792264 272 13:40:20 7261852 9933660 6007624 36.69 275620 2468452 6815552 39.12 1871852 6767712 228 13:50:20 8579984 11381308 4560460 27.85 279284 2589076 5361360 30.77 1880460 5439496 132 14:00:08 8398152 11226228 4715500 28.80 279964 2615036 5350192 30.71 1889220 5596540 156 Average: 7190240 9833424 6106771 37.30 271560 2435858 7039265 40.41 1869878 6825654 655 12:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 18.22 18.22 14.86 14.86 0.00 0.00 0.00 0.00 12:30:01 ens3 1.51 1.47 0.46 0.40 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:15 lo 43.26 43.26 22.70 22.70 0.00 0.00 0.00 0.00 12:40:15 ens3 2.37 2.18 0.55 1.29 0.00 0.00 0.00 0.00 12:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:20 lo 27.51 27.51 11.77 11.77 0.00 0.00 0.00 0.00 12:50:20 ens3 0.62 0.55 0.12 0.10 0.00 0.00 0.00 0.00 12:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 11.64 11.64 5.66 5.66 0.00 0.00 0.00 0.00 13:00:01 ens3 1.03 0.82 0.32 0.24 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:24 lo 19.15 19.15 10.05 10.05 0.00 0.00 0.00 0.00 13:10:24 ens3 2.10 0.82 0.50 0.29 0.00 0.00 0.00 0.00 13:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:24 lo 22.37 22.37 8.80 8.80 0.00 0.00 0.00 0.00 13:20:24 ens3 0.77 0.52 0.17 0.12 0.00 0.00 0.00 0.00 13:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 19.03 19.03 8.35 8.35 0.00 0.00 0.00 0.00 13:30:01 ens3 0.50 0.31 0.09 0.06 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:20 lo 19.43 19.43 10.40 10.40 0.00 0.00 0.00 0.00 13:40:20 ens3 0.80 0.62 0.16 0.14 0.00 0.00 0.00 0.00 13:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:20 lo 18.22 18.22 10.47 10.47 0.00 0.00 0.00 0.00 13:50:20 ens3 0.86 0.73 0.23 0.19 0.00 0.00 0.00 0.00 13:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:08 lo 13.83 13.83 5.89 5.89 0.00 0.00 0.00 0.00 14:00:08 ens3 0.65 0.48 0.16 0.13 0.00 0.00 0.00 0.00 14:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.37 21.37 10.95 10.95 0.00 0.00 0.00 0.00 Average: ens3 1.13 0.85 0.28 0.30 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-36401) 07/16/26 _x86_64_ (4 CPU) 12:13:32 LINUX RESTART (4 CPU) 12:20:15 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 49.82 0.00 1.90 0.13 0.11 48.04 12:30:01 0 50.17 0.00 1.82 0.09 0.12 47.81 12:30:01 1 50.08 0.00 2.02 0.12 0.11 47.67 12:30:01 2 49.15 0.00 1.96 0.21 0.11 48.57 12:30:01 3 49.90 0.00 1.78 0.09 0.11 48.11 12:40:15 all 46.34 0.00 1.69 0.15 0.12 51.69 12:40:15 0 46.53 0.00 1.64 0.13 0.12 51.58 12:40:15 1 46.80 0.00 1.53 0.09 0.13 51.46 12:40:15 2 45.67 0.00 1.77 0.24 0.12 52.20 12:40:15 3 46.37 0.00 1.82 0.15 0.13 51.53 12:50:20 all 21.88 0.00 0.89 0.03 0.11 77.10 12:50:20 0 21.72 0.00 0.92 0.07 0.10 77.19 12:50:20 1 22.43 0.00 0.85 0.01 0.11 76.60 12:50:20 2 22.41 0.00 1.00 0.04 0.11 76.44 12:50:20 3 20.94 0.00 0.78 0.01 0.10 78.17 13:00:01 all 22.98 0.00 0.89 0.06 0.09 75.99 13:00:01 0 23.25 0.00 0.79 0.03 0.09 75.84 13:00:01 1 24.38 0.00 0.95 0.10 0.09 74.47 13:00:01 2 22.20 0.00 0.99 0.07 0.10 76.65 13:00:01 3 22.07 0.00 0.82 0.03 0.10 76.98 13:10:24 all 24.65 0.00 0.79 0.07 0.08 74.42 13:10:24 0 24.61 0.00 0.70 0.05 0.08 74.57 13:10:24 1 25.49 0.00 0.87 0.12 0.08 73.44 13:10:24 2 24.91 0.00 0.79 0.09 0.09 74.12 13:10:24 3 23.59 0.00 0.78 0.02 0.08 75.53 13:20:24 all 8.73 0.00 0.37 0.02 0.07 90.81 13:20:24 0 9.12 0.00 0.33 0.04 0.06 90.45 13:20:24 1 8.15 0.00 0.39 0.01 0.08 91.37 13:20:24 2 8.76 0.00 0.43 0.03 0.08 90.70 13:20:24 3 8.87 0.00 0.34 0.01 0.07 90.71 13:30:01 all 9.78 0.00 0.44 0.02 0.08 89.69 13:30:01 0 9.33 0.00 0.37 0.02 0.07 90.22 13:30:01 1 9.79 0.00 0.53 0.02 0.09 89.57 13:30:01 2 9.97 0.00 0.45 0.03 0.08 89.47 13:30:01 3 10.02 0.00 0.40 0.01 0.07 89.49 13:40:20 all 10.17 0.00 0.53 0.02 0.08 89.20 13:40:20 0 10.06 0.00 0.51 0.01 0.08 89.35 13:40:20 1 10.06 0.00 0.63 0.00 0.08 89.23 13:40:20 2 9.92 0.00 0.45 0.05 0.08 89.49 13:40:20 3 10.64 0.00 0.55 0.01 0.08 88.72 13:50:20 all 13.90 0.00 0.59 0.03 0.08 85.40 13:50:20 0 14.63 0.00 0.50 0.01 0.08 84.77 13:50:20 1 13.75 0.00 0.62 0.02 0.09 85.52 13:50:20 2 13.75 0.00 0.64 0.02 0.08 85.51 13:50:20 3 13.46 0.00 0.57 0.08 0.08 85.81 14:00:08 all 8.11 0.00 0.37 0.02 0.08 91.43 14:00:08 0 7.96 0.00 0.36 0.04 0.08 91.56 14:00:08 1 8.28 0.00 0.32 0.00 0.08 91.32 14:00:08 2 8.49 0.00 0.38 0.01 0.07 91.05 14:00:08 3 7.70 0.00 0.41 0.02 0.08 91.79 Average: all 21.66 0.00 0.84 0.06 0.09 77.35 Average: 0 21.76 0.00 0.79 0.05 0.09 77.31 Average: 1 21.95 0.00 0.87 0.05 0.09 77.04 Average: 2 21.55 0.00 0.89 0.08 0.09 77.40 Average: 3 21.38 0.00 0.83 0.04 0.09 77.66