---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-34507 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: 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 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 737 8633 4 6617 14908 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:86:9b:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79533sec preferred_lft 79533sec inet6 fe80::f816:3eff:fe86:9b42/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:4a:64:c5:8c:1a 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::984a:64ff:fec5:8c1a/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-34507) 07/10/26 _x86_64_ (4 CPU) 11:44:55 LINUX RESTART (4 CPU) 11:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:05 89.90 2.52 70.78 16.60 148.36 25244.75 248745.23 12:10:05 13.06 0.85 11.62 0.60 8.03 279.29 847.93 12:20:05 7.40 0.03 6.97 0.40 0.43 251.94 2016.47 12:30:05 40.21 19.32 19.86 1.03 162.53 1714.01 1087.84 12:40:05 52.17 18.89 31.67 1.61 156.76 1820.40 948.49 12:50:05 9.22 0.00 8.80 0.42 0.00 259.20 294.65 13:00:05 7.47 0.00 7.17 0.29 0.03 243.60 169.67 13:10:05 3.69 0.00 3.63 0.07 0.00 60.65 2.25 13:20:05 4.82 0.00 4.62 0.20 0.00 149.95 57.79 13:30:01 11.89 0.00 11.35 0.54 0.01 687.34 297.99 Average: 24.01 4.16 17.67 2.18 47.69 3080.43 25541.59 11:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:05 165404 5397232 10529184 64.31 254116 4852304 11609628 66.64 2153484 13360516 412 12:10:05 1248796 6076144 9851648 60.17 255292 4456260 11280864 64.75 2163936 12273212 692 12:20:05 6119936 10967004 4964128 30.32 256596 4474548 6644176 38.14 2181768 7384780 408 12:30:05 6868792 12152416 3777456 23.07 268968 4885512 4853936 27.86 2345052 6481248 10684 12:40:05 4510004 10197528 5730968 35.00 280720 5268912 6346216 36.43 2523476 8647624 524 12:50:05 5547648 11268304 4660060 28.46 281572 5301144 5331256 30.60 2527244 7602392 328 13:00:05 4996064 10753448 5176032 31.61 282148 5337216 6401016 36.74 2530108 8157396 244 13:10:05 4052376 9812388 6116316 37.36 282580 5339412 6888404 39.54 2530572 9100024 212 13:20:05 3956232 9738508 6190100 37.81 283048 5361128 6929908 39.78 2533880 9187232 376 13:30:01 5274012 11209092 4719896 28.83 287564 5503692 5329912 30.59 2550296 7857940 276 Average: 4273926 9757206 6171579 37.69 273260 5078013 7161532 41.11 2403982 9005236 1416 11:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:05 lo 13.83 13.83 10.00 10.00 0.00 0.00 0.00 0.00 12:00:05 ens3 59.78 40.08 859.35 3.84 0.00 0.00 0.00 0.00 12:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:05 lo 26.13 26.13 11.29 11.29 0.00 0.00 0.00 0.00 12:10:05 ens3 0.94 1.01 0.19 0.17 0.00 0.00 0.00 0.00 12:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 22.15 22.15 9.56 9.56 0.00 0.00 0.00 0.00 12:20:05 ens3 0.80 0.65 0.18 0.15 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:05 lo 12.99 12.99 10.65 10.65 0.00 0.00 0.00 0.00 12:30:05 ens3 0.92 0.92 0.28 0.91 0.00 0.00 0.00 0.00 12:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:05 lo 30.05 30.05 17.75 17.75 0.00 0.00 0.00 0.00 12:40:05 ens3 1.80 1.67 0.47 0.88 0.00 0.00 0.00 0.00 12:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:05 lo 21.87 21.87 10.21 10.21 0.00 0.00 0.00 0.00 12:50:05 ens3 0.77 0.70 0.16 0.14 0.00 0.00 0.00 0.00 12:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:05 lo 27.89 27.89 9.64 9.64 0.00 0.00 0.00 0.00 13:00:05 ens3 0.57 0.46 0.15 0.12 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:05 lo 16.48 16.48 8.31 8.31 0.00 0.00 0.00 0.00 13:10:05 ens3 0.50 0.40 0.13 0.09 0.00 0.00 0.00 0.00 13:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:05 lo 17.73 17.73 10.42 10.42 0.00 0.00 0.00 0.00 13:20:05 ens3 0.65 0.50 0.16 0.12 0.00 0.00 0.00 0.00 13:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 17.40 17.40 9.77 9.77 0.00 0.00 0.00 0.00 13:30:01 ens3 0.89 0.91 0.24 0.21 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 Average: lo 20.65 20.65 10.76 10.76 0.00 0.00 0.00 0.00 Average: ens3 6.78 4.74 86.46 0.66 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-34507) 07/10/26 _x86_64_ (4 CPU) 11:44:55 LINUX RESTART (4 CPU) 11:50:03 CPU %user %nice %system %iowait %steal %idle 12:00:05 all 47.06 0.00 2.42 0.28 0.13 50.13 12:00:05 0 46.90 0.00 2.36 0.15 0.13 50.47 12:00:05 1 43.91 0.00 2.55 0.39 0.13 53.03 12:00:05 2 49.47 0.00 2.46 0.28 0.12 47.66 12:00:05 3 47.95 0.00 2.30 0.28 0.12 49.35 12:10:05 all 27.53 0.00 1.14 0.04 0.11 71.17 12:10:05 0 27.18 0.00 1.13 0.05 0.11 71.52 12:10:05 1 28.15 0.00 1.20 0.02 0.12 70.52 12:10:05 2 28.11 0.00 1.09 0.02 0.11 70.67 12:10:05 3 26.69 0.00 1.14 0.07 0.12 71.98 12:20:05 all 17.73 0.00 0.79 0.80 0.39 80.29 12:20:05 0 17.39 0.00 0.67 2.26 0.37 79.32 12:20:05 1 19.07 0.00 0.94 0.72 0.42 78.85 12:20:05 2 17.36 0.00 0.78 0.05 0.35 81.46 12:20:05 3 17.11 0.00 0.77 0.15 0.44 81.53 12:30:05 all 26.33 0.00 1.04 0.08 0.09 72.46 12:30:05 0 25.83 0.00 1.02 0.08 0.08 73.00 12:30:05 1 27.14 0.00 1.13 0.12 0.08 71.53 12:30:05 2 26.18 0.00 0.96 0.04 0.09 72.73 12:30:05 3 26.17 0.00 1.06 0.08 0.09 72.61 12:40:05 all 49.51 0.00 1.58 0.11 0.12 48.68 12:40:05 0 48.67 0.00 1.70 0.12 0.11 49.40 12:40:05 1 50.52 0.00 1.54 0.18 0.12 47.64 12:40:05 2 50.26 0.00 1.47 0.06 0.12 48.11 12:40:05 3 48.62 0.00 1.60 0.08 0.12 49.59 12:50:05 all 18.19 0.00 0.65 0.12 0.08 80.96 12:50:05 0 18.27 0.00 0.61 0.33 0.08 80.71 12:50:05 1 18.20 0.00 0.65 0.02 0.09 81.04 12:50:05 2 18.20 0.00 0.71 0.10 0.08 80.91 12:50:05 3 18.07 0.00 0.62 0.03 0.08 81.20 13:00:05 all 14.57 0.00 0.55 0.05 0.07 84.76 13:00:05 0 14.10 0.00 0.53 0.06 0.07 85.25 13:00:05 1 14.83 0.00 0.57 0.02 0.07 84.51 13:00:05 2 15.06 0.00 0.58 0.09 0.07 84.20 13:00:05 3 14.28 0.00 0.51 0.05 0.07 85.09 13:10:05 all 4.97 0.00 0.23 0.03 0.08 94.69 13:10:05 0 4.92 0.00 0.21 0.04 0.16 94.67 13:10:05 1 5.12 0.00 0.25 0.02 0.06 94.55 13:10:05 2 4.79 0.00 0.23 0.01 0.06 94.91 13:10:05 3 5.04 0.00 0.20 0.05 0.05 94.65 13:20:05 all 10.74 0.00 0.59 0.02 0.07 88.58 13:20:05 0 10.73 0.00 0.51 0.04 0.06 88.66 13:20:05 1 10.85 0.00 0.59 0.02 0.08 88.47 13:20:05 2 10.67 0.00 0.64 0.01 0.08 88.61 13:20:05 3 10.72 0.00 0.62 0.01 0.07 88.58 13:30:01 all 21.65 0.00 0.81 0.05 0.08 77.41 13:30:01 0 21.14 0.00 0.80 0.10 0.08 77.88 13:30:01 1 21.79 0.00 0.80 0.02 0.09 77.30 13:30:01 2 21.24 0.00 0.80 0.06 0.08 77.82 13:30:01 3 22.41 0.00 0.86 0.02 0.08 76.63 Average: all 23.84 0.00 0.98 0.16 0.12 74.90 Average: 0 23.52 0.00 0.95 0.32 0.12 75.08 Average: 1 23.98 0.00 1.02 0.15 0.13 74.72 Average: 2 24.15 0.00 0.97 0.07 0.12 74.69 Average: 3 23.72 0.00 0.97 0.08 0.12 75.11