---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-38765 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 17G 61G 22% / 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 722 6667 3 8599 14925 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:74:1c:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79960sec preferred_lft 79960sec inet6 fe80::f816:3eff:fe74:1ce8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:55:d7:b8:d2:57 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::c855:d7ff:feb8:d257/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-16g-38765) 08/19/26 _x86_64_ (4 CPU) 10:21:14 LINUX RESTART (4 CPU) 10:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:05 15.42 0.83 13.78 0.81 73.62 1426.87 1932.85 10:50:19 5.67 0.00 5.38 0.28 0.03 177.32 661.83 11:00:14 7.97 0.00 7.60 0.36 0.01 262.80 521.94 11:10:35 43.87 0.76 40.96 2.15 12.26 3180.57 2769.67 11:20:08 15.45 0.01 14.76 0.68 0.11 425.31 350.50 11:30:09 5.56 0.00 5.38 0.17 0.11 153.85 67.68 11:40:00 5.84 0.00 5.66 0.18 0.00 167.53 69.50 11:50:03 5.67 0.00 5.47 0.20 0.00 165.60 77.69 12:00:40 25.65 0.06 10.75 14.84 1.06 655.67 202587.53 Average: 14.74 0.19 12.28 2.28 9.69 745.17 24453.97 10:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:05 2234216 10486488 5443448 33.25 229360 7861336 6797008 39.01 1929132 11499284 976 10:50:19 7058088 15323960 607112 3.71 230980 7873356 1377812 7.91 1950688 6663552 5592 11:00:14 1383076 9662256 6265980 38.27 232624 7884956 7036756 40.39 1954264 12312200 364 11:10:35 5822448 13499248 2430072 14.84 256528 7255224 3197048 18.35 2202444 7631764 1228 11:20:08 3596972 11323928 4605224 28.13 258796 7302912 5353456 30.73 2212248 9846764 276 11:30:09 3607020 11354152 4575032 27.94 259516 7322328 5282420 30.32 2213648 9817720 116 11:40:00 7518180 15307568 623520 3.81 260212 7363772 1394348 8.00 2218588 5916064 20664 11:50:03 7490124 15304716 626328 3.83 261140 7388224 1394444 8.00 2221116 5938508 22676 12:00:40 3285960 11242216 4686644 28.62 265552 7515720 5365424 30.80 2240276 10125876 204 Average: 4666232 12611615 3318151 20.27 250523 7529759 4133191 23.72 2126934 8861304 5788 10:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:05 lo 8.99 8.99 6.11 6.11 0.00 0.00 0.00 0.00 10:40:05 ens3 0.72 0.56 0.19 0.14 0.00 0.00 0.00 0.00 10:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:19 lo 14.94 14.94 8.32 8.32 0.00 0.00 0.00 0.00 10:50:19 ens3 0.61 0.59 0.13 0.11 0.00 0.00 0.00 0.00 10:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:14 lo 11.79 11.79 7.13 7.13 0.00 0.00 0.00 0.00 11:00:14 ens3 0.48 0.34 0.09 0.06 0.00 0.00 0.00 0.00 11:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:35 lo 24.60 24.60 18.81 18.81 0.00 0.00 0.00 0.00 11:10:35 ens3 2.08 1.84 0.64 0.54 0.00 0.00 0.00 0.00 11:10:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:08 lo 26.99 26.99 13.82 13.82 0.00 0.00 0.00 0.00 11:20:08 ens3 1.09 1.28 0.24 0.23 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 11:30:09 lo 24.32 24.32 9.17 9.17 0.00 0.00 0.00 0.00 11:30:09 ens3 0.81 0.60 0.23 0.17 0.00 0.00 0.00 0.00 11:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:00 lo 24.59 24.59 11.39 11.39 0.00 0.00 0.00 0.00 11:40:00 ens3 0.72 0.67 0.17 0.13 0.00 0.00 0.00 0.00 11:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:03 lo 17.82 17.82 10.63 10.63 0.00 0.00 0.00 0.00 11:50:03 ens3 0.60 0.60 0.13 0.11 0.00 0.00 0.00 0.00 11:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:40 lo 18.49 18.49 9.96 9.96 0.00 0.00 0.00 0.00 12:00:40 ens3 0.92 0.97 0.24 0.21 0.00 0.00 0.00 0.00 12:00:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.13 19.13 10.60 10.60 0.00 0.00 0.00 0.00 Average: ens3 0.89 0.83 0.23 0.19 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-16g-38765) 08/19/26 _x86_64_ (4 CPU) 10:21:14 LINUX RESTART (4 CPU) 10:30:05 CPU %user %nice %system %iowait %steal %idle 10:40:05 all 21.08 0.00 0.87 0.24 0.08 77.74 10:40:05 0 22.03 0.00 0.93 0.32 0.08 76.63 10:40:05 1 20.75 0.00 0.79 0.43 0.08 77.94 10:40:05 2 21.13 0.00 0.84 0.11 0.09 77.83 10:40:05 3 20.39 0.00 0.89 0.09 0.09 78.54 10:50:19 all 11.27 0.00 0.55 0.02 0.08 88.08 10:50:19 0 11.24 0.00 0.52 0.01 0.07 88.15 10:50:19 1 11.34 0.00 0.57 0.01 0.07 88.01 10:50:19 2 11.06 0.00 0.49 0.01 0.08 88.36 10:50:19 3 11.45 0.00 0.61 0.04 0.07 87.82 11:00:14 all 16.94 0.00 0.72 0.02 0.08 82.23 11:00:14 0 16.81 0.00 0.78 0.03 0.08 82.30 11:00:14 1 17.09 0.00 0.75 0.02 0.08 82.05 11:00:14 2 17.35 0.00 0.65 0.03 0.08 81.89 11:00:14 3 16.51 0.00 0.71 0.01 0.08 82.69 11:10:35 all 55.04 0.00 1.77 0.12 0.11 42.95 11:10:35 0 54.81 0.00 1.71 0.08 0.11 43.28 11:10:35 1 54.85 0.00 1.81 0.23 0.11 43.00 11:10:35 2 54.87 0.00 1.69 0.06 0.11 43.26 11:10:35 3 55.64 0.00 1.87 0.11 0.12 42.26 11:20:08 all 27.95 0.00 0.93 0.04 0.09 70.99 11:20:08 0 28.06 0.00 0.90 0.04 0.09 70.90 11:20:08 1 28.17 0.00 1.01 0.05 0.10 70.67 11:20:08 2 27.56 0.00 0.88 0.04 0.09 71.42 11:20:08 3 28.02 0.00 0.92 0.02 0.09 70.95 11:30:09 all 8.35 0.00 0.44 0.02 0.08 91.11 11:30:09 0 7.96 0.00 0.43 0.02 0.07 91.53 11:30:09 1 8.70 0.00 0.47 0.01 0.08 90.74 11:30:09 2 8.35 0.00 0.45 0.02 0.08 91.10 11:30:09 3 8.40 0.00 0.42 0.02 0.09 91.08 11:40:00 all 10.37 0.00 0.46 0.02 0.08 89.06 11:40:00 0 10.22 0.00 0.53 0.02 0.08 89.16 11:40:00 1 11.14 0.00 0.43 0.03 0.08 88.32 11:40:00 2 10.09 0.00 0.49 0.03 0.09 89.31 11:40:00 3 10.04 0.00 0.41 0.02 0.08 89.45 11:50:03 all 9.98 0.00 0.52 0.03 0.09 89.38 11:50:03 0 10.04 0.00 0.53 0.08 0.08 89.26 11:50:03 1 10.26 0.00 0.58 0.01 0.09 89.06 11:50:03 2 9.87 0.00 0.53 0.02 0.09 89.50 11:50:03 3 9.77 0.00 0.45 0.02 0.08 89.68 12:00:40 all 19.43 0.00 0.78 0.08 0.09 79.62 12:00:40 0 20.49 0.00 0.85 0.05 0.08 78.53 12:00:40 1 19.15 0.00 0.77 0.07 0.08 79.92 12:00:40 2 18.61 0.00 0.76 0.09 0.10 80.45 12:00:40 3 19.49 0.00 0.73 0.13 0.08 79.58 Average: all 20.12 0.00 0.79 0.07 0.09 78.94 Average: 0 20.27 0.00 0.80 0.07 0.09 78.77 Average: 1 20.23 0.00 0.80 0.10 0.09 78.79 Average: 2 19.95 0.00 0.76 0.05 0.09 79.16 Average: 3 20.05 0.00 0.78 0.05 0.09 79.03