---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-17085 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 679 12241 3 3068 14967 Swap: 1023 30 993 ---> 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:80:bb:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80052sec preferred_lft 80052sec inet6 fe80::f816:3eff:fe80:bbc4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:a9:cb:6d:3a:7c 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::60a9:cbff:fe6d:3a7c/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-17085) 05/20/26 _x86_64_ (4 CPU) 10:54:55 LINUX RESTART (4 CPU) 11:00:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:40 63.75 14.04 46.98 2.72 335.09 5412.63 2974.29 11:20:08 40.54 13.74 25.35 1.45 845.41 1573.36 776.39 11:30:25 8.00 0.42 7.16 0.42 18.74 253.37 771.86 11:40:25 19.98 0.33 18.74 0.91 8.61 866.53 1059.33 11:50:25 10.88 0.76 9.67 0.44 23.15 305.07 719.63 12:00:16 20.86 0.34 4.79 15.74 10.06 148.01 211318.78 12:10:14 7.80 0.26 7.18 0.37 11.11 263.26 164.69 12:20:14 2.81 0.02 2.79 0.00 0.73 52.20 0.04 12:30:16 12.10 0.45 11.07 0.57 10.68 684.35 301.98 12:40:01 8.18 2.65 5.14 0.39 166.72 210.07 125.15 Average: 19.48 3.27 13.92 2.29 139.50 985.66 21599.16 11:00:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:40 1725732 2988800 12950108 79.09 246136 1131556 14605712 83.84 966876 13225496 796 11:20:08 5464308 7224960 8716536 53.24 259096 1615484 9484076 54.44 1133536 9337288 348 11:30:25 8019588 9810792 6130316 37.44 260288 1644864 6936540 39.82 1144540 6752180 132 11:40:25 11723756 13676472 2269916 13.86 266608 1799312 3038376 17.44 1199992 3042772 168 11:50:25 9542212 11539596 4405572 26.91 267892 1842668 5203760 29.87 1209740 5203436 84 12:00:16 9395052 11419612 4525332 27.64 270492 1867236 5224584 29.99 1220364 5331880 292 12:10:14 8479348 10547404 5397240 32.96 271436 1909800 6436284 36.94 1228636 6245536 372 12:20:14 7826248 9896848 6047304 36.93 271748 1912016 6864004 39.40 1229276 6888944 52 12:30:16 9160428 11388328 4556692 27.83 276164 2060756 5231164 30.03 1248272 5537964 320 12:40:01 12601044 15321428 625816 3.82 278140 2544624 1292692 7.42 1319720 2013632 414440 Average: 8393772 10381424 5562483 33.97 266800 1832832 6431719 36.92 1190095 6357913 41700 11:00:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:40 lo 23.25 23.25 19.49 19.49 0.00 0.00 0.00 0.00 11:10:40 ens3 1.75 1.55 0.50 0.43 0.00 0.00 0.00 0.00 11:10:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:08 lo 45.59 45.59 20.82 20.82 0.00 0.00 0.00 0.00 11:20:08 ens3 2.41 2.39 0.48 1.41 0.00 0.00 0.00 0.00 11:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:25 lo 23.99 23.99 10.49 10.49 0.00 0.00 0.00 0.00 11:30:25 ens3 0.61 0.49 0.12 0.09 0.00 0.00 0.00 0.00 11:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:25 lo 14.28 14.28 7.04 7.04 0.00 0.00 0.00 0.00 11:40:25 ens3 1.10 0.92 0.29 0.23 0.00 0.00 0.00 0.00 11:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:25 lo 19.63 19.63 10.34 10.34 0.00 0.00 0.00 0.00 11:50:25 ens3 1.17 0.76 0.35 0.26 0.00 0.00 0.00 0.00 11:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:16 lo 27.23 27.23 9.75 9.75 0.00 0.00 0.00 0.00 12:00:16 ens3 0.58 0.56 0.13 0.10 0.00 0.00 0.00 0.00 12:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:14 lo 19.92 19.92 10.94 10.94 0.00 0.00 0.00 0.00 12:10:14 ens3 0.72 0.67 0.14 0.12 0.00 0.00 0.00 0.00 12:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:14 lo 17.16 17.16 8.94 8.94 0.00 0.00 0.00 0.00 12:20:14 ens3 0.63 0.44 0.16 0.12 0.00 0.00 0.00 0.00 12:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:16 lo 15.05 15.05 8.67 8.67 0.00 0.00 0.00 0.00 12:30:16 ens3 1.47 0.85 0.62 0.27 0.00 0.00 0.00 0.00 12:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 33.39 33.39 12.90 12.90 0.00 0.00 0.00 0.00 12:40:01 ens3 2.33 1.64 1.01 0.69 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.80 23.80 11.90 11.90 0.00 0.00 0.00 0.00 Average: ens3 1.27 1.02 0.38 0.36 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-17085) 05/20/26 _x86_64_ (4 CPU) 10:54:55 LINUX RESTART (4 CPU) 11:00:26 CPU %user %nice %system %iowait %steal %idle 11:10:40 all 54.21 0.00 2.00 0.13 0.11 43.55 11:10:40 0 53.91 0.00 2.17 0.13 0.11 43.68 11:10:40 1 54.13 0.00 2.04 0.15 0.10 43.57 11:10:40 2 54.14 0.00 2.00 0.15 0.11 43.61 11:10:40 3 54.64 0.00 1.80 0.10 0.11 43.36 11:20:08 all 45.61 0.00 1.74 0.14 0.11 52.39 11:20:08 0 45.35 0.00 1.56 0.13 0.12 52.85 11:20:08 1 46.23 0.00 1.90 0.18 0.11 51.58 11:20:08 2 45.83 0.00 1.76 0.12 0.11 52.19 11:20:08 3 45.04 0.00 1.73 0.16 0.11 52.96 11:30:25 all 17.52 0.00 0.84 0.03 0.09 81.50 11:30:25 0 18.01 0.00 0.85 0.02 0.09 81.03 11:30:25 1 17.97 0.00 0.90 0.04 0.10 80.99 11:30:25 2 16.91 0.00 0.85 0.05 0.09 82.10 11:30:25 3 17.20 0.00 0.77 0.03 0.09 81.91 11:40:25 all 29.03 0.00 1.02 0.06 0.09 69.80 11:40:25 0 28.50 0.00 1.06 0.15 0.09 70.20 11:40:25 1 28.79 0.00 0.99 0.03 0.09 70.10 11:40:25 2 29.57 0.00 0.99 0.02 0.09 69.32 11:40:25 3 29.27 0.00 1.05 0.03 0.09 69.57 11:50:25 all 18.33 0.00 0.64 0.04 0.08 80.92 11:50:25 0 18.51 0.00 0.62 0.06 0.08 80.74 11:50:25 1 18.50 0.00 0.61 0.04 0.08 80.77 11:50:25 2 17.72 0.00 0.69 0.02 0.09 81.48 11:50:25 3 18.57 0.00 0.63 0.04 0.08 80.69 12:00:16 all 8.50 0.00 0.37 0.04 0.07 91.02 12:00:16 0 8.21 0.00 0.35 0.02 0.07 91.35 12:00:16 1 8.94 0.00 0.36 0.01 0.07 90.62 12:00:16 2 8.63 0.00 0.42 0.09 0.08 90.78 12:00:16 3 8.20 0.00 0.35 0.04 0.07 91.34 12:10:14 all 16.39 0.00 0.68 0.03 0.09 82.82 12:10:14 0 15.89 0.00 0.74 0.04 0.09 83.23 12:10:14 1 16.73 0.00 0.72 0.02 0.09 82.45 12:10:14 2 16.44 0.00 0.57 0.04 0.09 82.87 12:10:14 3 16.48 0.00 0.70 0.02 0.08 82.72 12:20:14 all 3.98 0.00 0.27 0.01 0.08 95.66 12:20:14 0 3.71 0.00 0.27 0.01 0.08 95.93 12:20:14 1 4.20 0.00 0.31 0.02 0.08 95.39 12:20:14 2 4.03 0.00 0.27 0.00 0.08 95.63 12:20:14 3 3.98 0.00 0.23 0.01 0.07 95.71 12:30:16 all 19.86 0.00 0.70 0.04 0.08 79.32 12:30:16 0 20.10 0.00 0.71 0.03 0.08 79.09 12:30:16 1 21.35 0.00 0.80 0.08 0.09 77.70 12:30:16 2 18.61 0.00 0.65 0.03 0.09 80.62 12:30:16 3 19.38 0.00 0.64 0.03 0.08 79.86 12:40:01 all 11.38 0.00 0.56 0.09 0.07 87.90 12:40:01 0 11.62 0.00 0.63 0.04 0.07 87.64 12:40:01 1 11.13 0.00 0.53 0.09 0.07 88.18 12:40:01 2 10.47 0.00 0.57 0.09 0.08 88.80 12:40:01 3 12.31 0.00 0.49 0.13 0.07 87.00 Average: all 22.47 0.00 0.88 0.06 0.09 76.50 Average: 0 22.37 0.00 0.90 0.06 0.09 76.59 Average: 1 22.79 0.00 0.92 0.07 0.09 76.14 Average: 2 22.22 0.00 0.87 0.06 0.09 76.76 Average: 3 22.49 0.00 0.84 0.06 0.08 76.53