---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32048 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 691 12597 4 2700 14955 Swap: 1023 31 992 ---> 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:63:81:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79554sec preferred_lft 79554sec inet6 fe80::f816:3eff:fe63:819f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:9d:ad:8c:ef:63 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::849d:adff:fe8c:ef63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32048) 07/01/26 _x86_64_ (4 CPU) 09:05:54 LINUX RESTART (4 CPU) 09:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:09 99.09 3.82 91.25 4.02 151.88 31739.63 10704.76 09:30:11 49.76 21.22 26.95 1.59 1037.27 2000.47 814.40 09:40:11 23.30 7.09 15.37 0.84 254.75 732.20 899.36 09:50:08 13.66 0.09 13.03 0.54 3.01 379.81 1036.93 10:00:11 7.80 0.04 7.46 0.30 1.50 203.39 1017.58 10:10:11 20.66 0.19 4.84 15.62 4.50 137.23 208582.09 10:20:11 6.54 0.41 5.95 0.18 16.95 161.20 88.43 10:30:11 6.18 0.07 5.91 0.20 3.32 162.00 266.08 10:40:11 15.23 12.04 3.18 0.01 140.68 60.00 0.12 10:50:11 12.20 0.42 11.20 0.58 9.15 661.44 296.28 Average: 25.43 4.54 18.50 2.39 162.49 3617.42 22368.17 09:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:09 161608 3800312 12126532 74.06 263600 3322668 13752448 78.94 2083740 13495328 376 09:30:11 2071616 3482632 12463128 76.12 179488 1413744 13626716 78.22 882528 13048396 332 09:40:11 9841364 11382556 4566212 27.89 185072 1533068 5371240 30.83 1013780 5148768 132 09:50:08 11175480 12768480 3183412 19.44 188416 1581500 3946896 22.66 1021968 3824336 100 10:00:11 9794628 11412720 4538320 27.72 189880 1605136 5323460 30.56 1024680 5198008 144 10:10:11 9775140 11416184 4534688 27.70 191604 1626392 5289496 30.36 1032280 5200216 224 10:20:11 8197008 9861660 6088424 37.19 192672 1648872 6804452 39.06 1038208 6772200 168 10:30:11 8146976 9832792 6117428 37.36 193524 1669188 6855428 39.35 1042904 6814400 164 10:40:11 7912068 9656664 6293104 38.44 197876 1710344 7012804 40.25 1082848 6991024 112 10:50:11 9521780 11415348 4535372 27.70 202340 1849416 5211444 29.91 1101764 5380356 208 Average: 7659767 9502935 6444662 39.36 198447 1796033 7319438 42.01 1132470 7187303 196 09:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:09 lo 15.26 15.26 12.97 12.97 0.00 0.00 0.00 0.00 09:20:09 ens3 50.19 33.44 739.50 4.84 0.00 0.00 0.00 0.00 09:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:11 lo 44.00 44.00 22.99 22.99 0.00 0.00 0.00 0.00 09:30:11 ens3 1.81 1.58 0.40 0.35 0.00 0.00 0.00 0.00 09:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:11 lo 30.68 30.68 13.15 13.15 0.00 0.00 0.00 0.00 09:40:11 ens3 6.68 4.09 4.00 2.73 0.00 0.00 0.00 0.00 09:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:08 lo 8.72 8.72 5.40 5.40 0.00 0.00 0.00 0.00 09:50:08 ens3 0.65 0.49 0.13 0.10 0.00 0.00 0.00 0.00 09:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:11 lo 16.23 16.23 7.68 7.68 0.00 0.00 0.00 0.00 10:00:11 ens3 0.88 0.55 0.23 0.16 0.00 0.00 0.00 0.00 10:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:11 lo 24.47 24.47 8.97 8.97 0.00 0.00 0.00 0.00 10:10:11 ens3 1.20 0.59 0.38 0.26 0.00 0.00 0.00 0.00 10:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:11 lo 18.65 18.65 8.58 8.58 0.00 0.00 0.00 0.00 10:20:11 ens3 0.77 0.43 0.19 0.12 0.00 0.00 0.00 0.00 10:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:11 lo 13.25 13.25 7.69 7.69 0.00 0.00 0.00 0.00 10:30:11 ens3 0.60 0.46 0.14 0.11 0.00 0.00 0.00 0.00 10:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:11 lo 9.17 9.17 4.79 4.79 0.00 0.00 0.00 0.00 10:40:11 ens3 0.42 0.26 0.09 0.06 0.00 0.00 0.00 0.00 10:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:11 lo 15.68 15.68 8.97 8.97 0.00 0.00 0.00 0.00 10:50:11 ens3 0.90 0.78 0.24 0.19 0.00 0.00 0.00 0.00 10:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.62 19.62 10.12 10.12 0.00 0.00 0.00 0.00 Average: ens3 6.40 4.26 74.37 0.89 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-32048) 07/01/26 _x86_64_ (4 CPU) 09:05:54 LINUX RESTART (4 CPU) 09:10:11 CPU %user %nice %system %iowait %steal %idle 09:20:09 all 59.08 0.00 2.63 0.40 0.11 37.78 09:20:09 0 61.42 0.00 2.59 0.47 0.11 35.41 09:20:09 1 58.21 0.00 2.44 0.28 0.11 38.96 09:20:09 2 58.80 0.00 2.69 0.34 0.11 38.07 09:20:09 3 57.91 0.00 2.80 0.51 0.11 38.67 09:30:11 all 48.74 0.00 1.94 0.19 0.11 49.01 09:30:11 0 47.60 0.00 2.10 0.18 0.11 50.00 09:30:11 1 49.70 0.00 1.88 0.12 0.11 48.19 09:30:11 2 48.91 0.00 1.85 0.24 0.12 48.89 09:30:11 3 48.76 0.00 1.93 0.24 0.11 48.97 09:40:11 all 28.45 0.00 1.26 0.10 0.11 70.08 09:40:11 0 28.56 0.00 1.29 0.15 0.10 69.89 09:40:11 1 28.82 0.00 1.25 0.08 0.11 69.74 09:40:11 2 28.31 0.00 1.26 0.07 0.11 70.25 09:40:11 3 28.11 0.00 1.25 0.09 0.11 70.44 09:50:08 all 19.07 0.00 0.64 0.04 0.09 80.17 09:50:08 0 18.71 0.00 0.75 0.02 0.09 80.43 09:50:08 1 19.20 0.00 0.55 0.08 0.09 80.08 09:50:08 2 19.23 0.00 0.63 0.05 0.09 80.00 09:50:08 3 19.13 0.00 0.61 0.02 0.09 80.15 10:00:11 all 13.34 0.00 0.49 0.02 0.09 86.06 10:00:11 0 13.45 0.00 0.45 0.01 0.08 86.01 10:00:11 1 12.87 0.00 0.45 0.01 0.09 86.58 10:00:11 2 13.55 0.00 0.50 0.05 0.10 85.81 10:00:11 3 13.50 0.00 0.54 0.03 0.08 85.85 10:10:11 all 8.60 0.00 0.47 0.04 0.09 90.81 10:10:11 0 8.55 0.00 0.38 0.03 0.09 90.94 10:10:11 1 8.40 0.00 0.54 0.07 0.09 90.89 10:10:11 2 8.47 0.00 0.46 0.03 0.09 90.95 10:10:11 3 8.96 0.00 0.51 0.01 0.09 90.44 10:20:11 all 9.88 0.00 0.45 0.03 0.09 89.55 10:20:11 0 9.95 0.00 0.43 0.02 0.09 89.51 10:20:11 1 9.98 0.00 0.46 0.02 0.09 89.45 10:20:11 2 9.79 0.00 0.51 0.06 0.09 89.56 10:20:11 3 9.82 0.00 0.42 0.02 0.08 89.66 10:30:11 all 9.33 0.00 0.39 0.03 0.09 90.16 10:30:11 0 9.25 0.00 0.37 0.02 0.09 90.27 10:30:11 1 9.61 0.00 0.43 0.04 0.10 89.82 10:30:11 2 9.32 0.00 0.49 0.03 0.10 90.06 10:30:11 3 9.15 0.00 0.28 0.01 0.09 90.48 10:40:11 all 1.25 0.07 0.20 0.07 0.08 98.32 10:40:11 0 1.05 0.28 0.21 0.23 0.08 98.15 10:40:11 1 1.42 0.00 0.19 0.02 0.08 98.28 10:40:11 2 1.34 0.00 0.29 0.03 0.09 98.25 10:40:11 3 1.20 0.00 0.12 0.02 0.07 98.59 10:50:11 all 19.51 0.00 0.68 0.05 0.08 79.67 10:50:11 0 19.23 0.00 0.74 0.03 0.08 79.92 10:50:11 1 19.35 0.00 0.62 0.04 0.08 79.91 10:50:11 2 19.37 0.00 0.80 0.11 0.09 79.63 10:50:11 3 20.09 0.00 0.57 0.04 0.08 79.23 Average: all 21.72 0.01 0.92 0.10 0.09 77.16 Average: 0 21.78 0.03 0.93 0.12 0.09 77.05 Average: 1 21.75 0.00 0.88 0.08 0.09 77.20 Average: 2 21.71 0.00 0.95 0.10 0.10 77.15 Average: 3 21.66 0.00 0.90 0.10 0.09 77.25