---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12705 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 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 720 10857 3 4412 14926 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:75:bf:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80285sec preferred_lft 80285sec inet6 fe80::f816:3eff:fe75:bf65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:7b:b1:94:28:2c 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::9c7b:b1ff:fe94:282c/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-12705) 05/11/26 _x86_64_ (4 CPU) 08:04:09 LINUX RESTART (4 CPU) 08:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:05 69.77 19.66 47.22 2.89 262.69 5542.07 2322.49 08:30:05 15.80 1.60 13.46 0.74 19.89 329.14 1358.55 08:40:05 10.59 0.33 9.82 0.43 23.35 502.92 1182.07 08:50:05 16.55 0.01 15.78 0.75 0.63 428.64 639.37 09:00:05 7.27 0.01 6.96 0.31 0.45 179.55 148.91 09:10:05 8.56 0.04 8.18 0.34 2.31 216.49 260.41 09:20:02 5.83 0.00 5.64 0.18 0.32 148.80 144.19 09:30:01 5.06 0.00 4.90 0.16 0.13 142.36 52.82 09:40:01 25.19 0.12 9.23 15.84 2.54 546.44 210061.43 Average: 18.30 2.42 13.47 2.41 34.73 893.48 24055.70 08:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:05 646808 4213200 11715348 71.55 262568 3255096 12609052 72.38 1906720 13202376 512 08:30:05 3519324 6898348 9032684 55.17 264220 3073692 10474268 60.12 1950768 10300300 632 08:40:05 11324204 14809736 1126940 6.88 268292 3176168 1886396 10.83 1991080 2480740 6436 08:50:05 11051288 14584620 1351676 8.26 270884 3221376 2123172 12.19 2007616 2728584 368 09:00:05 7720812 11275572 4659208 28.46 271940 3241760 5394568 30.96 2009636 6059596 240 09:10:05 6914340 10498656 5435956 33.20 273208 3270036 6498992 37.30 2013504 6860132 540 09:20:02 6424824 10027504 5906624 36.08 273752 3287856 6731160 38.64 2017064 7326776 516 09:30:01 7881164 11503360 4431548 27.07 274252 3306872 5235820 30.05 2019032 5889256 240 09:40:01 7585776 11334012 4600612 28.10 280476 3423364 5257648 30.18 2040496 6146340 248 Average: 7007616 10571668 5362288 32.75 271066 3250691 6245675 35.85 1995102 6777122 1081 08:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:05 lo 27.82 27.82 19.00 19.00 0.00 0.00 0.00 0.00 08:20:05 ens3 2.76 2.24 0.89 1.54 0.00 0.00 0.00 0.00 08:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:05 lo 34.70 34.70 14.17 14.17 0.00 0.00 0.00 0.00 08:30:05 ens3 1.17 0.89 0.25 0.20 0.00 0.00 0.00 0.00 08:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:05 lo 13.99 13.99 6.13 6.13 0.00 0.00 0.00 0.00 08:40:05 ens3 1.05 0.76 0.29 0.23 0.00 0.00 0.00 0.00 08:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:05 lo 12.82 12.82 7.27 7.27 0.00 0.00 0.00 0.00 08:50:05 ens3 0.89 0.71 0.19 0.16 0.00 0.00 0.00 0.00 08:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:05 lo 19.72 19.72 9.38 9.38 0.00 0.00 0.00 0.00 09:00:05 ens3 0.72 0.72 0.17 0.14 0.00 0.00 0.00 0.00 09:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:05 lo 27.26 27.26 9.80 9.80 0.00 0.00 0.00 0.00 09:10:05 ens3 0.53 0.49 0.11 0.08 0.00 0.00 0.00 0.00 09:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:02 lo 21.73 21.73 11.59 11.59 0.00 0.00 0.00 0.00 09:20:02 ens3 0.78 0.59 0.17 0.14 0.00 0.00 0.00 0.00 09:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 16.53 16.53 9.29 9.29 0.00 0.00 0.00 0.00 09:30:01 ens3 0.60 0.68 0.13 0.11 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 20.13 20.13 9.87 9.87 0.00 0.00 0.00 0.00 09:40:01 ens3 6.07 4.39 3.78 2.66 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.63 21.63 10.72 10.72 0.00 0.00 0.00 0.00 Average: ens3 1.62 1.28 0.67 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-12705) 05/11/26 _x86_64_ (4 CPU) 08:04:09 LINUX RESTART (4 CPU) 08:10:05 CPU %user %nice %system %iowait %steal %idle 08:20:05 all 49.59 0.00 1.89 0.11 0.08 48.33 08:20:05 0 49.98 0.00 1.77 0.04 0.09 48.12 08:20:05 1 49.75 0.00 1.95 0.14 0.09 48.08 08:20:05 2 49.79 0.00 1.86 0.19 0.08 48.07 08:20:05 3 48.83 0.00 1.96 0.08 0.08 49.05 08:30:05 all 25.95 0.00 1.08 0.04 0.09 72.84 08:30:05 0 26.63 0.00 0.98 0.02 0.09 72.28 08:30:05 1 25.41 0.00 1.13 0.06 0.09 73.31 08:30:05 2 25.79 0.00 1.15 0.07 0.09 72.90 08:30:05 3 25.98 0.00 1.04 0.04 0.09 72.86 08:40:05 all 15.13 0.00 0.73 0.04 0.10 84.00 08:40:05 0 14.53 0.00 0.78 0.02 0.09 84.57 08:40:05 1 15.77 0.00 0.79 0.10 0.11 83.23 08:40:05 2 15.28 0.00 0.78 0.02 0.10 83.82 08:40:05 3 14.93 0.00 0.58 0.03 0.09 84.37 08:50:05 all 29.45 0.00 0.99 0.06 0.09 69.42 08:50:05 0 28.65 0.00 1.00 0.08 0.08 70.18 08:50:05 1 30.02 0.00 0.96 0.04 0.10 68.88 08:50:05 2 30.19 0.00 0.98 0.04 0.09 68.71 08:50:05 3 28.92 0.00 1.01 0.07 0.09 69.90 09:00:05 all 14.64 0.00 0.63 1.85 0.09 82.79 09:00:05 0 14.55 0.00 0.51 1.49 0.08 83.37 09:00:05 1 14.86 0.00 0.68 2.64 0.10 81.72 09:00:05 2 14.66 0.00 0.76 1.63 0.09 82.86 09:00:05 3 14.46 0.00 0.60 1.64 0.09 83.20 09:10:05 all 14.57 0.00 0.60 0.03 0.07 84.74 09:10:05 0 14.13 0.00 0.61 0.01 0.07 85.18 09:10:05 1 14.71 0.00 0.61 0.06 0.07 84.55 09:10:05 2 15.32 0.00 0.65 0.01 0.07 83.94 09:10:05 3 14.10 0.00 0.52 0.04 0.07 85.27 09:20:02 all 12.34 0.00 0.52 0.02 0.08 87.05 09:20:02 0 12.54 0.00 0.57 0.01 0.08 86.80 09:20:02 1 12.24 0.00 0.49 0.01 0.08 87.18 09:20:02 2 12.20 0.00 0.55 0.03 0.08 87.15 09:20:02 3 12.36 0.00 0.46 0.03 0.07 87.07 09:30:01 all 8.64 0.00 0.44 0.01 0.07 90.83 09:30:01 0 8.27 0.00 0.37 0.02 0.06 91.29 09:30:01 1 9.06 0.00 0.53 0.01 0.07 90.32 09:30:01 2 9.13 0.00 0.44 0.02 0.07 90.35 09:30:01 3 8.10 0.00 0.44 0.02 0.07 91.38 09:40:01 all 14.98 0.00 0.60 0.06 0.08 84.28 09:40:01 0 15.00 0.00 0.59 0.03 0.07 84.31 09:40:01 1 14.77 0.00 0.61 0.08 0.08 84.46 09:40:01 2 15.69 0.00 0.63 0.04 0.08 83.56 09:40:01 3 14.48 0.00 0.57 0.08 0.08 84.80 Average: all 20.60 0.00 0.83 0.25 0.08 78.24 Average: 0 20.48 0.00 0.80 0.19 0.08 78.45 Average: 1 20.74 0.00 0.86 0.35 0.09 77.96 Average: 2 20.90 0.00 0.86 0.23 0.08 77.93 Average: 3 20.26 0.00 0.80 0.22 0.08 78.64