---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4523 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 713 11195 3 4080 14929 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:11:b0:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79593sec preferred_lft 79593sec inet6 fe80::f816:3eff:fe11:b0e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:52:bf:d5:07:8c 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-4523) 01/26/26 _x86_64_ (4 CPU) 12:04:21 LINUX RESTART (4 CPU) 12:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:09 114.17 21.48 88.82 3.87 333.07 30847.03 10798.51 12:30:01 28.09 4.73 22.20 1.17 84.73 562.86 766.01 12:40:15 7.75 0.27 7.10 0.38 14.57 248.91 388.47 12:50:10 21.00 0.13 5.70 15.17 2.59 154.02 214146.05 13:00:00 20.48 0.05 19.35 1.07 1.53 871.87 1496.17 13:10:11 9.19 0.01 8.70 0.48 0.52 282.13 735.84 13:20:15 4.88 0.02 4.66 0.20 0.81 137.62 67.77 13:30:01 6.96 0.05 6.65 0.26 2.99 186.13 347.22 13:40:11 5.80 0.01 5.56 0.24 0.28 228.38 788.44 13:50:15 9.19 0.02 8.79 0.37 0.79 551.41 108.30 Average: 22.77 2.69 17.78 2.31 44.35 3430.43 22757.31 12:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:09 2285864 6695332 9234700 56.40 257784 4059400 10218408 58.65 2036716 11382128 2000 12:30:01 8637712 11522768 4412748 26.95 259696 2662104 5207860 29.89 2122428 5081468 4292 12:40:15 7490344 10397544 5540348 33.84 260676 2683272 6964984 39.98 2132368 6240812 328 12:50:10 6845640 9770044 6166872 37.66 263656 2697496 6935896 39.81 2142196 6876008 88 13:00:00 10682380 13758852 2180420 13.32 269816 2843480 2911700 16.71 2181500 3007692 84 13:10:11 8293868 11410968 4526784 27.65 271120 2882808 5190312 29.79 2184240 5386372 232 13:20:15 8073664 11209908 4727804 28.88 271688 2901408 5396540 30.98 2185648 5611364 724 13:30:01 9533940 12709976 3228952 19.72 272420 2940440 4280712 24.57 2190856 4139856 19348 13:40:11 8902708 12102412 3836076 23.43 273484 2963044 4901684 28.14 2193568 4779452 284 13:50:15 8003864 11327280 4610580 28.16 277320 3080956 5274672 30.28 2207964 5655560 124 Average: 7874998 11090508 4846528 29.60 267766 2971441 5728277 32.88 2157748 5816071 2750 12:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:09 lo 13.76 13.76 13.66 13.66 0.00 0.00 0.00 0.00 12:20:09 ens3 37.60 28.87 632.76 4.30 0.00 0.00 0.00 0.00 12:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 38.89 38.89 17.51 17.51 0.00 0.00 0.00 0.00 12:30:01 ens3 1.80 1.42 0.35 0.30 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 25.75 25.75 10.63 10.63 0.00 0.00 0.00 0.00 12:40:15 ens3 1.07 0.64 0.23 0.16 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 12:50:10 lo 9.87 9.87 4.97 4.97 0.00 0.00 0.00 0.00 12:50:10 ens3 0.48 0.24 0.10 0.06 0.00 0.00 0.00 0.00 12:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 10.67 10.67 5.57 5.57 0.00 0.00 0.00 0.00 13:00:00 ens3 1.11 0.95 0.29 0.23 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:11 lo 19.84 19.84 10.42 10.42 0.00 0.00 0.00 0.00 13:10:11 ens3 0.92 0.70 0.21 0.17 0.00 0.00 0.00 0.00 13:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:15 lo 26.36 26.36 9.60 9.60 0.00 0.00 0.00 0.00 13:20:15 ens3 0.69 0.44 0.15 0.11 0.00 0.00 0.00 0.00 13:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 21.15 21.15 10.11 10.11 0.00 0.00 0.00 0.00 13:30:01 ens3 0.90 0.59 0.23 0.17 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 13:40:11 lo 17.53 17.53 10.34 10.34 0.00 0.00 0.00 0.00 13:40:11 ens3 0.97 0.57 0.27 0.19 0.00 0.00 0.00 0.00 13:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:15 lo 19.23 19.23 10.45 10.45 0.00 0.00 0.00 0.00 13:50:15 ens3 1.06 0.90 0.26 0.21 0.00 0.00 0.00 0.00 13:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.31 20.31 10.33 10.33 0.00 0.00 0.00 0.00 Average: ens3 4.69 3.55 64.00 0.59 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-4523) 01/26/26 _x86_64_ (4 CPU) 12:04:21 LINUX RESTART (4 CPU) 12:10:03 CPU %user %nice %system %iowait %steal %idle 12:20:09 all 50.86 0.00 2.33 0.64 0.15 46.03 12:20:09 0 50.58 0.00 2.26 0.74 0.15 46.27 12:20:09 1 52.56 0.00 2.43 0.59 0.15 44.26 12:20:09 2 50.04 0.00 2.30 0.77 0.15 46.74 12:20:09 3 50.24 0.00 2.33 0.44 0.16 46.83 12:30:01 all 45.75 0.00 1.93 0.07 0.14 52.12 12:30:01 0 46.03 0.00 1.87 0.05 0.13 51.91 12:30:01 1 45.85 0.00 1.98 0.11 0.14 51.92 12:30:01 2 44.74 0.00 1.95 0.07 0.14 53.10 12:30:01 3 46.36 0.00 1.89 0.05 0.14 51.57 12:40:15 all 15.50 0.00 0.87 0.03 0.10 83.50 12:40:15 0 15.18 0.00 0.82 0.05 0.09 83.85 12:40:15 1 15.77 0.00 0.96 0.03 0.10 83.13 12:40:15 2 16.08 0.00 0.89 0.03 0.10 82.90 12:40:15 3 14.96 0.00 0.80 0.01 0.10 84.13 12:50:10 all 9.65 0.00 0.55 0.04 0.08 89.67 12:50:10 0 9.74 0.00 0.49 0.03 0.08 89.66 12:50:10 1 9.12 0.00 0.60 0.03 0.09 90.16 12:50:10 2 10.18 0.00 0.59 0.02 0.09 89.13 12:50:10 3 9.58 0.00 0.53 0.08 0.08 89.73 13:00:00 all 28.31 0.00 1.08 0.10 0.11 70.41 13:00:00 0 28.41 0.00 1.06 0.02 0.11 70.39 13:00:00 1 28.39 0.00 1.03 0.23 0.10 70.25 13:00:00 2 27.70 0.00 1.12 0.07 0.11 71.00 13:00:00 3 28.72 0.00 1.12 0.07 0.10 69.99 13:10:11 all 17.84 0.00 0.65 0.02 0.09 81.40 13:10:11 0 18.10 0.00 0.65 0.02 0.09 81.14 13:10:11 1 18.03 0.00 0.72 0.02 0.09 81.14 13:10:11 2 17.62 0.00 0.56 0.03 0.09 81.70 13:10:11 3 17.61 0.00 0.68 0.02 0.09 81.60 13:20:15 all 8.61 0.00 0.51 0.02 0.08 90.78 13:20:15 0 8.85 0.00 0.38 0.00 0.07 90.69 13:20:15 1 8.36 0.00 0.63 0.05 0.08 90.88 13:20:15 2 8.60 0.00 0.49 0.02 0.07 90.81 13:20:15 3 8.64 0.00 0.52 0.01 0.08 90.76 13:30:01 all 13.75 0.00 0.65 0.02 0.09 85.48 13:30:01 0 13.82 0.00 0.66 0.02 0.09 85.42 13:30:01 1 13.75 0.00 0.67 0.01 0.09 85.48 13:30:01 2 13.75 0.00 0.71 0.05 0.08 85.40 13:30:01 3 13.70 0.00 0.58 0.01 0.08 85.63 13:40:11 all 9.94 0.00 0.41 0.02 0.09 89.54 13:40:11 0 10.15 0.00 0.40 0.03 0.09 89.33 13:40:11 1 9.73 0.00 0.45 0.02 0.09 89.71 13:40:11 2 10.19 0.00 0.46 0.04 0.09 89.21 13:40:11 3 9.68 0.00 0.34 0.01 0.09 89.89 13:50:15 all 14.30 0.00 0.55 0.03 0.09 85.03 13:50:15 0 14.16 0.00 0.59 0.07 0.09 85.09 13:50:15 1 14.97 0.00 0.63 0.02 0.09 84.29 13:50:15 2 14.18 0.00 0.47 0.02 0.10 85.22 13:50:15 3 13.87 0.00 0.53 0.01 0.08 85.51 Average: all 21.41 0.00 0.95 0.10 0.10 77.43 Average: 0 21.46 0.00 0.92 0.10 0.10 77.42 Average: 1 21.61 0.00 1.01 0.11 0.10 77.17 Average: 2 21.28 0.00 0.95 0.11 0.10 77.55 Average: 3 21.30 0.00 0.93 0.07 0.10 77.60